Re: [jira] Updated: (TUSCANY-611) RMI Binding

2006-08-11 Thread Jeremy Boynes

On Aug 10, 2006, at 10:53 PM, Venkata Krishnan wrote:


Thanks Ant and Jim.

Ant, I shall certainly work on the formatting and a couple of other  
issues

and posted an updated patch asap.

Jim, you point was something that I did vacillate about.  I was  
wondering if
the registry should be started by the binding or should it be done  
offline.



My imagination of the Registry is that it is lightweight and it  
should be ok
to host several instances of it on a host, ofcourse each on a  
different
port. Hence we might actually allow the assemblies to mention which  
port
number is preferred to host the RMI Service.  If a registry for the  
port

already exists then we simply use that otherwise start one.  So if is
possible that a registry on a port will host more than one service.

It is also a good idea that we clearly have one registry per host and
implement it the way you have mentioned out here.  I am open to do  
this as

well.  Let me know your final thoughts on this.

Jerermy and others what are your thoughts on this?



One per host (runtime) sounds good. The port should be a property of  
the system component that initializes the registry - by making it a  
property we can potentially configure it in scdl.


--
Jeremy


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Re: svn commit: r430621 - in /incubator/tuscany/java: samples/sca/helloworldws/ samples/sca/helloworldwsclient/ samples/sca/helloworldwsclient/src/main/java/helloworld/ samples/sca/helloworldwsclient/

2006-08-11 Thread Raymond Feng

Hi, Rick.

With your check-in, I'm seeing the EchoBinding test case is failing with the 
following exception:


org.apache.tuscany.spi.loader.InvalidReferenceException: No target for 
service  [ClientService]

at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java)
at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java:1)
at 
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
at 
org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:75)
at 
org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:50)
at 
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
at 
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:107)
at 
org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.loadFromSidefile(CompositeComponentTypeLoader.java:46)
at 
org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:38)
at 
org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:20)
at 
org.apache.tuscany.core.loader.LoaderRegistryImpl.loadComponentType(LoaderRegistryImpl.java:157)
at 
org.apache.tuscany.core.deployer.DeployerImpl.load(DeployerImpl.java:111)
at 
org.apache.tuscany.core.deployer.DeployerImpl.deploy(DeployerImpl.java:90)
at 
org.apache.tuscany.core.launcher.Launcher.bootApplication(Launcher.java:171)

at org.apache.tuscany.test.SCATestCase.setUp(SCATestCase.java:63)
at echo.BootstrapTestCase.setUp(BootstrapTestCase.java:23)
at junit.framework.TestCase.runBare(TestCase.java:125)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at 
org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
at 
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)


I adjusted the scdl file per SCA 0.95 spec:

composite xmlns=http://www.osoa.org/xmlns/sca/1.0; name=echo.sample
service name=ClientService
interface.java class=echo.Client/
binding.echo/
referenceClient/reference
/service
component name=Client
implementation.java class=echo.ClientImpl/
reference name=echoReferenceEchoReference/reference
/component
reference name=EchoReference
interface.java interface=echo.Echo/
binding.echo/
/reference
/composite

Now the ServiceLoader.java is problematic because it assumes it'll get 
reference before the binding which is not case per SCA 0.95 spec:


service name=xs:NCName multiplicity=0..1 or 1..1 or 0..n or 1..n?*
interface/
binding uri=xs:anyURI?/*
referencewire-target-URI/reference+
/service

component name=xs:NCName*
implementation/
property name=xs:NCName source=sca:Property?*
property-value
/property
reference name=xs:NCName/*
wire-target-URI
/reference
/component

The ComponentLoader.java cannot handle the reference element either since 
the SCA spec 0.95 also use the element content instead of target 
attribute.


I attached a patch to fix the problem but some of the SCDLs and test cases 
need to be adjusted to conform to the SCA 0.95 spec.


Thanks,
Raymond

- Original Message - 
From: [EMAIL PROTECTED]

To: tuscany-commits@ws.apache.org
Sent: Thursday, August 10, 2006 6:59 PM
Subject: svn commit: r430621 - in /incubator/tuscany/java: 
samples/sca/helloworldws/ samples/sca/helloworldwsclient/ 
samples/sca/helloworldwsclient/src/main/java/helloworld/ 
samples/sca/helloworldwsclient/src/main/resources/META-INF/sca/ 
sca/bindings/binding.ax...




Author: rineholt
Date: Thu Aug 10 18:59:40 2006
New Revision: 430621

URL: http://svn.apache.org/viewvc?rev=430621view=rev
Log:
TUSCANY-575
http://issues.apache.org/jira/browse/TUSCANY-575
fix service element to use child reference element instead of target 
attribute

mock can be a pain
feed java interface specified in service to service element (still a tad 
of a hack)


Added:

incubator/tuscany/java/samples/sca/helloworldwsclient/src/main/java/helloworld/HelloWorldServiceComponent.java
Modified:
   incubator/tuscany/java/samples/sca/helloworldws/setup.bat
   incubator/tuscany/java/samples/sca/helloworldwsclient/run.bat

incubator/tuscany/java/samples/sca/helloworldwsclient/src/main/java/helloworld/HelloWorldClient.java

incubator/tuscany/java/samples/sca/helloworldwsclient/src/main/java/helloworld/HelloWorldService.java


Re: [C++] Do we need Tuscany-model.config?

2006-08-11 Thread Pete Robbins

This is similar to what Java had. I think htis is replaced by include.wsdl
and include.xsd or soemthing. Not sure if this got into the spec.

Cheers,


On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:


It looks like Tuscany-model.config just lists the WSDLs and XSDs used in
an application. Do we still need it? or could we just figure out
ourselves what the WSDLs and XSDs are?

Just trying to make it simpler for users to write SCA applications, and
limit the number of things that they have to worry about...

--
Jean-Sebastien


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--
Pete


Re: [C++] Do we need Tuscany-model.config?

2006-08-11 Thread Jean-Sebastien Delfino

Pete Robbins wrote:
This is similar to what Java had. I think htis is replaced by 
include.wsdl

and include.xsd or soemthing. Not sure if this got into the spec.

Cheers,


On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:


It looks like Tuscany-model.config just lists the WSDLs and XSDs used in
an application. Do we still need it? or could we just figure out
ourselves what the WSDLs and XSDs are?

Just trying to make it simpler for users to write SCA applications, and
limit the number of things that they have to worry about...

--
Jean-Sebastien


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As far as I know include.wsdl and include.xsd are not in the spec 
yet. I'm actually thinking that placing the WSDL and XSD files in the 
directory containing the application should be enough to indicate that 
they should be used. In other words, no need to edit an XML file telling 
the runtime that some WSDL and XSD files are there, the runtime should 
be smart enough to just scan and find them...


--
Jean-Sebastien


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Re: [C++] Folder structure under $Tuscany_scacpp_system_root

2006-08-11 Thread Pete Robbins

A lot of things referenced from a .composite are a path relative to the
.composite file (the compsite root). This is defined in the spec. For
example,
component name=MyValueServiceComponent
 implementation.cpp library=MyValuelibrary path=MyValue
header=MyValue/MyValueImpl.h/implementation.cpp

so if the composite file is in .../deploy/configuration/myValue.composite
the library will be located at
.../deploy/configuration/MyValue/libMyValuelibrary.so. Similarly the
implementation header will be located at
.../deploy/configuration/MyValue/MyValueImpl.h

...so I don't think you can have an arbitrary separation of configuration
and packages.

I think we can use a very simple deployment which is that the runtime will
find all the composites under the system root so it could look like:
.../deploy
 fred.composite ( composite name=abc/ )
some_other_artifacts
/ANOtherCompo
   joe.composite ( composite name=xyz/ )
  /joes_libraries
  joe.dll

So the name of the folder and composite file is irrelevent as the actual
composite name comes from the scdl name=. This, of course, is a little
harder for the runtime to load but a lot simpler for the user IMO.

So for a MyValue sample I'd develop my composites in a structure that
matches the deploy layout. This is necessary for the scagen step that
requires the scdl and the interface headers to generate the proxies and
wrappers. This strcture may or may not have multiple directories at the
choice of the developer, he may want each component in a separate dir for
instance. Deployment is simply copying the scdl, libraries and headers to
wherever they are to be deployed. (Although the headers are not currently
used at runtime it is possible that they may be in the future).

So I may end up with:

.../MyValue
 myValue.composite
 myVal.componentType
 /CustomerInfo
custinfo.componentType
custinfo.h etc..

Cheers,


On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:


When I started to implement the new composite assembly model I felt a
need to adjust a little the folder structure under the Tuscany system
root, did half of it, which triggered some questions :) This is a new
thread to discuss these changes.

Here's what we had in M1:

$TUSCANY_SCAPP_SYSTEM_ROOT/ -- your Tuscany-system-root
   subsystems/
   CalculatorSubsystem/
   sca.subsystem -- creates and configures the Calculator
module component
   modules/
   Calculator -- the Calculator module and code
   sca.module
   other artifacts, *.so, *.wsdl, *.xsd etc.

Now that the spec has removed subsystem, module and fragment, and
generalized the use of composites, here's what I'd like to propose:

deploy/ -- your Tuscany-system-root
   configuration/
   CalculatorApp.composite -- creates the Calculator component, we
don't need sub-folders here since we can give meaningful name to
composite files now
   packages/
   Calculator -- the Calculator composite and code
   Calculator.composite
   other artifacts, *.so, *.wsdl, *.xsd etc.

- Configuration contains the composites included in your system creating
and configuring your top level components.
- Packages contains all your other development artifacts (not
necessarily just composites that's why I'm proposing packages/ instead
of modules/ or composites/).
- I think that the samples should use consistent naming convenvions, but
you should also be able to pick the names you want for your folders and
artifacts and have Foo/Bar.composite containing composite name=Abc/
for example.

Any thoughts?

--
Jean-Sebastien


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Pete


Re: [C++] Do we need Tuscany-model.config?

2006-08-11 Thread Pete Robbins

Actually the wsdl/xsd are loaded for a particular composite so if there were
more say 2 .composites in a folder and 3 xsds we would load all 3 xsds
twice, once for each composite.

On 11/08/06, Pete Robbins [EMAIL PROTECTED] wrote:


 so we load any wsdl/xsd in the same folder as the .composite file? Sounds
reasonable.

Cheers,


On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:

 Pete Robbins wrote:
  This is similar to what Java had. I think htis is replaced by
  include.wsdl 
  and include.xsd or soemthing. Not sure if this got into the spec.
 
  Cheers,
 
 
  On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED]  wrote:
 
  It looks like Tuscany-model.config just lists the WSDLs and XSDs used
 in
  an application. Do we still need it? or could we just figure out
  ourselves what the WSDLs and XSDs are?
 
  Just trying to make it simpler for users to write SCA applications,
 and
  limit the number of things that they have to worry about...
 
  --
  Jean-Sebastien
 
 
  -
  To unsubscribe, e-mail: [EMAIL PROTECTED]
  For additional commands, e-mail: [EMAIL PROTECTED]
 
 
 
 

 As far as I know include.wsdl and  include.xsd are not in the spec
 yet. I'm actually thinking that placing the WSDL and XSD files in the
 directory containing the application should be enough to indicate that
 they should be used. In other words, no need to edit an XML file telling

 the runtime that some WSDL and XSD files are there, the runtime should
 be smart enough to just scan and find them...

 --
 Jean-Sebastien


 -
 To unsubscribe, e-mail: [EMAIL PROTECTED]
 For additional commands, e-mail: [EMAIL PROTECTED]




--

Pete





--
Pete


Re: [C++] Do we need Tuscany-model.config?

2006-08-11 Thread Pete Robbins

of course this supposes that all the schema and wsdl is local. We probably
need to support the case where the wsdl is remote e.g.
http://mySite/flobber.wsdl

Cheers,


On 11/08/06, Pete Robbins [EMAIL PROTECTED] wrote:


Actually the wsdl/xsd are loaded for a particular composite so if there
were more say 2 .composites in a folder and 3 xsds we would load all 3 xsds
twice, once for each composite.


On 11/08/06, Pete Robbins [EMAIL PROTECTED] wrote:

  so we load any wsdl/xsd in the same folder as the .composite file?
 Sounds reasonable.

 Cheers,


 On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED]  wrote:
 
  Pete Robbins wrote:
   This is similar to what Java had. I think htis is replaced by
   include.wsdl 
   and include.xsd or soemthing. Not sure if this got into the spec.
  
   Cheers,
  
  
   On 11/08/06, Jean-Sebastien Delfino  [EMAIL PROTECTED]  wrote:
  
   It looks like Tuscany-model.config just lists the WSDLs and XSDs
  used in
   an application. Do we still need it? or could we just figure out
   ourselves what the WSDLs and XSDs are?
  
   Just trying to make it simpler for users to write SCA applications,
  and
   limit the number of things that they have to worry about...
  
   --
   Jean-Sebastien
  
  
  
  -
   To unsubscribe, e-mail: [EMAIL PROTECTED]
   For additional commands, e-mail: [EMAIL PROTECTED]
  
  
  
  
 
  As far as I know include.wsdl and  include.xsd are not in the spec
  yet. I'm actually thinking that placing the WSDL and XSD files in the
  directory containing the application should be enough to indicate that
 
  they should be used. In other words, no need to edit an XML file
  telling
  the runtime that some WSDL and XSD files are there, the runtime should
  be smart enough to just scan and find them...
 
  --
  Jean-Sebastien
 
 
  -
  To unsubscribe, e-mail: [EMAIL PROTECTED]
  For additional commands, e-mail: [EMAIL PROTECTED]
 
 


 --

 Pete




--

Pete





--
Pete


Re: [C++] Folder structure under $Tuscany_scacpp_system_root

2006-08-11 Thread Jean-Sebastien Delfino

Pete Robbins wrote:

A lot of things referenced from a .composite are a path relative to the
.composite file (the compsite root). This is defined in the spec. For
example,
component name=MyValueServiceComponent
 implementation.cpp library=MyValuelibrary path=MyValue
header=MyValue/MyValueImpl.h/implementation.cpp

so if the composite file is in .../deploy/configuration/myValue.composite
the library will be located at
.../deploy/configuration/MyValue/libMyValuelibrary.so. Similarly the
implementation header will be located at
.../deploy/configuration/MyValue/MyValueImpl.h

...so I don't think you can have an arbitrary separation of configuration
and packages.

I think we can use a very simple deployment which is that the runtime 
will

find all the composites under the system root so it could look like:
.../deploy
 fred.composite ( composite name=abc/ )
some_other_artifacts
/ANOtherCompo
   joe.composite ( composite name=xyz/ )
  /joes_libraries
  joe.dll

So the name of the folder and composite file is irrelevent as the actual
composite name comes from the scdl name=. This, of course, is a little
harder for the runtime to load but a lot simpler for the user IMO.

So for a MyValue sample I'd develop my composites in a structure that
matches the deploy layout. This is necessary for the scagen step that
requires the scdl and the interface headers to generate the proxies and
wrappers. This strcture may or may not have multiple directories at the
choice of the developer, he may want each component in a separate dir for
instance. Deployment is simply copying the scdl, libraries and headers to
wherever they are to be deployed. (Although the headers are not currently
used at runtime it is possible that they may be in the future).

So I may end up with:

.../MyValue
 myValue.composite
 myVal.componentType
 /CustomerInfo
custinfo.componentType
custinfo.h etc..

Cheers,


On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:


When I started to implement the new composite assembly model I felt a
need to adjust a little the folder structure under the Tuscany system
root, did half of it, which triggered some questions :) This is a new
thread to discuss these changes.

Here's what we had in M1:

$TUSCANY_SCAPP_SYSTEM_ROOT/ -- your Tuscany-system-root
   subsystems/
   CalculatorSubsystem/
   sca.subsystem -- creates and configures the Calculator
module component
   modules/
   Calculator -- the Calculator module and code
   sca.module
   other artifacts, *.so, *.wsdl, *.xsd etc.

Now that the spec has removed subsystem, module and fragment, and
generalized the use of composites, here's what I'd like to propose:

deploy/ -- your Tuscany-system-root
   configuration/
   CalculatorApp.composite -- creates the Calculator component, we
don't need sub-folders here since we can give meaningful name to
composite files now
   packages/
   Calculator -- the Calculator composite and code
   Calculator.composite
   other artifacts, *.so, *.wsdl, *.xsd etc.

- Configuration contains the composites included in your system creating
and configuring your top level components.
- Packages contains all your other development artifacts (not
necessarily just composites that's why I'm proposing packages/ instead
of modules/ or composites/).
- I think that the samples should use consistent naming convenvions, but
you should also be able to pick the names you want for your folders and
artifacts and have Foo/Bar.composite containing composite name=Abc/
for example.

Any thoughts?

--
Jean-Sebastien


-
To unsubscribe, e-mail: [EMAIL PROTECTED]
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Pete,

I'm OK too with a simpler structure without separate configuration/ and 
packages/. I was initially trying to build on the structure that we 
already have with separate subsystems and modules directories.


On the other hand, I'm not sure how we'd handle the following scenario 
with all composites under a single structure:
I have developed two composites, bigbank.account and bigbank.client (in 
0.9 speak these would be modules).

I install these two composites on my runtime.
I now want to actually make them live. For this I need to create a new 
composite, let's call it bigbank. My bigbank composite declares two 
components (instances of bigbank.account and bigbank.client) configures 
them, and wires them together. With SCA 0.9 bigbank was a subsytem.

I now have 3 composites on my runtime.

How will we distinguish between bigbank (describing the composition and 
configuration of my system and used to create actual instances) and 
bigbank.account + bigbank.client (just describing composite 
implementations), once we have these 3 composites under a single folder 
structure?


The other thing is that in the scenario above we probably have 3 
different roles:

- The developer putting 

[jira] Updated: (TUSCANY-582) Date fields sometimes not preserved when using DataHelper.

2006-08-11 Thread Brian Murray (JIRA)
 [ http://issues.apache.org/jira/browse/TUSCANY-582?page=all ]

Brian Murray updated TUSCANY-582:
-

Attachment: Tuscany582.patch

The attached patch addresses the problem mentioned in this issue (Tuscany-582). 
 The change for this original problem is a one line fix (setting isLenient to 
false).  Previously, an earlier SimpleDateFormat in the list of possibilties 
was matching for a String that should have matched the Day format.

It also includes changes to the toDate method to allow permitted variations 
(e.g. incusion or exclusion of time zone) to be converted to a Date using 
DataHelper.toDate().  Previously, many Strings that should give a valid result 
from DateHelper.toDate() would have resulted in null.

I have created a test case that addresses both the original issue, as well as 
the secondary issue also addressed.   I will attach it shortly.

Would a committer please review the patch and test case and let me know of any 
issues?

 Date fields sometimes not preserved when using DataHelper.
 --

 Key: TUSCANY-582
 URL: http://issues.apache.org/jira/browse/TUSCANY-582
 Project: Tuscany
  Issue Type: Bug
  Components: Java SDO Implementation
Reporter: Brian Murray
 Assigned To: Frank Budinsky
Priority: Minor
 Attachments: Tuscany582.patch


 While I find it mildly surprising that you can convert from a Day to a Date, 
 I would expect that in doing so the Day (Date.getDate()) value within Date 
 would be accurate (even if all other fields are meaningless). 
 // The output of each println (from a single run) is placed in comments 
 beside it
public void testShowErrorsInSimpleFashion() throws Exception
{
   Date temp = new Date(System.currentTimeMillis());
   // In following sequence - would expect the Day value (here, 21) to be 
 maintained.
   System.out.println(temp =  + temp); // temp = Fri Jul 21 03:51:01 EDT 
 2006
   String day = data_helper.toDay(temp);
   System.out.println(day =  + day); // day = ---21 EDT
   Date date2 = data_helper.toDate(day);
   System.out.println(date2 =  + date2); // date2 = Thu Feb 29 23:00:00 
 EST 1968
   String day2 = data_helper.toDay(date2);
   System.out.println(day2 =  + day2); // day2 = ---29 EST
}
When I look in DataHelperImpl.java, I see a series of Date Patterns. It 
 seems that Day is being matched to an earlier pattern than the expected one 
 (the expected one is ---dd zz). When I move that pattern to first in the 
 list, the outcome is affected.  Were it not matching an earlier pattern, I 
 would think that moving the correct one to the front of the  list would not 
 have an effect.
Leaving DataHelperImpl.java unaltered, Day = 21 EDT, and Day2 = 29 EST (in 
 the case above). However, if I put the appropriate pattern first in the list, 
 Day2 is instead = 20 EST. Interestingly, it is still not the correct day 
 (21). 
 Frank pointed out that there have been recent updates to DataHelper, however 
 I've retested with build level 425652 and see the same behavior.
 Side note:
The following is not a JIRA issue, but it is related.  In the second table 
 on page 146 the Date conversions for most types are essentially to the same  
 type, to Date, and to String. It seems that several more are possible. The 
 following seem capable of being added:
   DateTime- Month, MonthDay, YearMonth, YearMonthDay, Time, Year, 
 Duration, Day
   Duration-Month, MonthDay, YearMonth, YearMonthDay, Time, Year, 
 DateTime, Day
   MonthDay-Month, Day
   YearMonth-Month, Year
   YearMonthDay-Month, Year, Day, YearMonth, MonthDay

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Re: Binding extension example

2006-08-11 Thread ant elder

Ok I've added a TargetInvokerExtension. The clone method doesn't seem
perfect yet as subclasses now aren't forced to implement clone by the
compiler.

  ...ant

On 8/10/06, Jim Marino [EMAIL PROTECTED] wrote:


Yea we could do that. Probably the one invoke method that takes the
payload from the message could be abstracted and if there is a
special target type that needs access to message headers or something
it could just override it. Do you want to create one as I'm out later
today?

Jim

On Aug 10, 2006, at 5:35 AM, ant elder wrote:

 Great stuff Jim, these changes look really good to me. Makes
 implementing a
 binding way easier.

 What do you think about having an abstract SPI class for the
 TargetInvoker
 which includes all the cachable, optimizable and invoke methods?

   ...ant

 On 8/10/06, Jim Marino [EMAIL PROTECTED] wrote:

 I've checked in an example of a simple binding (r430211) that
 demonstrates creating services and references. For references, the
 binding just echoes a single param back to the client.

 Related to this, I've also completed a series of commits that move
 application wiring from the responsibility of the builders to
 initiate up into the builder registry which delegates to the system
 wire service. Once a Service, Reference, or Component is created and
 returned from a builder, the builder registry will invoke the wire
 service to create the appropriate inbound and outbound wires. These
 wires will then be injected into the Service, Reference or Component.
 At a later point, the connector will bridge outbound (source) to
 inbound (target) wires.

 Services and References will generally not need to do anything other
 than hold onto the wires (implemented as a convenience by the
 extension base classes), but components are responsible for
 implementing a strategy for injecting them onto implementation
 instances as the latter are requested. In the case of Java, this
 involves delegating back to the wire service to create a proxy
 fronting the wire and implementing the appropriate reference
 interface.  This proxy will be injected onto an implementation
 instance as it is created. BPEL or an other implementation type may
 do something entirely different and maybe not even use proxies.

 Certain types of composite components may need to manually bridge
 Services to targets. For example, a Spring composite is opaque to the
 SCA wiring fabric in that its beans are not visible as components.
 The Spring builder is responsible for delegating to the builder
 registry to create a service which it then must provide with a target
 invoker capable of dispatching into the Spring application context
 and to a target bean. This can be viewed as the SCA wiring mechanism
 delegating to Spring for internal wiring.

 Jim


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Re: using stdcxx in tuscany/C++

2006-08-11 Thread Jean-Sebastien Delfino

Martin Sebor wrote:

Hi again,

Just following up on this thread to see if there's anything we can
do from our side to help you all with the migration, or any concerns
or questions I can answer.

I have noticed that some people are still using MSVC 6 to compile
Tuscany. I'm curious whether there are any plans to upgrade to a
more recent and more conforming compiler. Stdcxx is being tested
with 7.1, and 8.0 (i86, IA64, and EM64T) but the 6.0 port would
likely need some work.

Regards
Martin



Martin,

I downloaded your 4.1.3 release, compiled it on Redhat Enterprise Linux 
4, and ran some of your samples.


I have two questions:

- How do I run all your test cases? I found a run executable in 
build/test, tried ./run ./* and got this:

  Summary: out of 69 programs
   45 exited with non-zero status
   24 failed to compile
   0 failed to link
   0 failed at least one assertion
   0 exited with a signal
   0 killed with signal 9
   no regressions (this is baseline)
   34% pass rate

I'm assuming that the failures are my problem and I'm not running this 
correctly since all the samples I tried worked nicely :)


- Also, I noticed that the build generates .a files. Is there an option 
to generate a .so shared library?


Thanks,

--
Jean-Sebastien


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Re: [C++] Recommendation for sample composite names

2006-08-11 Thread Andrew Borley

Sounds good to me.
I guess we leave the Calculator sample as is to show that we can manage
either style?

Andy

On 8/11/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:


Here's a note from the SCA spec 0.95:

Note: The Eclipse naming convention for plugins provides a good way to
achieve unique names,
e.g. com.mycompany.myvaluecomposite . This format is recommended but is
not normative.

I'd like to adjust our samples to follow that recommendation (e.g.
bigbank.client, bigbank.account). What do you think?

--
Jean-Sebastien


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[jira] Updated: (TUSCANY-582) Date fields sometimes not preserved when using DataHelper.

2006-08-11 Thread Brian Murray (JIRA)
 [ http://issues.apache.org/jira/browse/TUSCANY-582?page=all ]

Brian Murray updated TUSCANY-582:
-

Attachment: DateConversionTestCase.java

Attached is the test case that uncovered the original issue and has been used 
to verify both the fix for that defect as well as the other defect mentioned 
above.  Please let me know of any concerns.



 Date fields sometimes not preserved when using DataHelper.
 --

 Key: TUSCANY-582
 URL: http://issues.apache.org/jira/browse/TUSCANY-582
 Project: Tuscany
  Issue Type: Bug
  Components: Java SDO Implementation
Reporter: Brian Murray
 Assigned To: Frank Budinsky
Priority: Minor
 Attachments: DateConversionTestCase.java, Tuscany582.patch


 While I find it mildly surprising that you can convert from a Day to a Date, 
 I would expect that in doing so the Day (Date.getDate()) value within Date 
 would be accurate (even if all other fields are meaningless). 
 // The output of each println (from a single run) is placed in comments 
 beside it
public void testShowErrorsInSimpleFashion() throws Exception
{
   Date temp = new Date(System.currentTimeMillis());
   // In following sequence - would expect the Day value (here, 21) to be 
 maintained.
   System.out.println(temp =  + temp); // temp = Fri Jul 21 03:51:01 EDT 
 2006
   String day = data_helper.toDay(temp);
   System.out.println(day =  + day); // day = ---21 EDT
   Date date2 = data_helper.toDate(day);
   System.out.println(date2 =  + date2); // date2 = Thu Feb 29 23:00:00 
 EST 1968
   String day2 = data_helper.toDay(date2);
   System.out.println(day2 =  + day2); // day2 = ---29 EST
}
When I look in DataHelperImpl.java, I see a series of Date Patterns. It 
 seems that Day is being matched to an earlier pattern than the expected one 
 (the expected one is ---dd zz). When I move that pattern to first in the 
 list, the outcome is affected.  Were it not matching an earlier pattern, I 
 would think that moving the correct one to the front of the  list would not 
 have an effect.
Leaving DataHelperImpl.java unaltered, Day = 21 EDT, and Day2 = 29 EST (in 
 the case above). However, if I put the appropriate pattern first in the list, 
 Day2 is instead = 20 EST. Interestingly, it is still not the correct day 
 (21). 
 Frank pointed out that there have been recent updates to DataHelper, however 
 I've retested with build level 425652 and see the same behavior.
 Side note:
The following is not a JIRA issue, but it is related.  In the second table 
 on page 146 the Date conversions for most types are essentially to the same  
 type, to Date, and to String. It seems that several more are possible. The 
 following seem capable of being added:
   DateTime- Month, MonthDay, YearMonth, YearMonthDay, Time, Year, 
 Duration, Day
   Duration-Month, MonthDay, YearMonth, YearMonthDay, Time, Year, 
 DateTime, Day
   MonthDay-Month, Day
   YearMonth-Month, Year
   YearMonthDay-Month, Year, Day, YearMonth, MonthDay

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Re: [C++] Folder structure under $Tuscany_scacpp_system_root

2006-08-11 Thread Andrew Borley

I think we use our samples to demonstrate different ways of working - have
the Calculator be deployed in a single directory and have the BigBank show
the use of multiple directories.
So perhaps have configuration, packages/account and packages/client
directories under the root directory? What do you think?

Andy


On 8/11/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:


Andrew Borley wrote:
 Can't we allow both ways of working? i.e. with or without subdirectory
 structures? As long as we recurse into directories looking for any
 .composite files then it should still work (as long as we check for name
 clashes, etc). Then it's up to users how they package their projects -
 they
 can follow structures that make most sense to them.

 Andy
Yes, makes sense. I agree that users should be free to package their
projects in the way that makes most sense to them. We can only show and
recommend some practices in our samples.

So I guess the only remaining question is: one big root directory, or
two configuration/ and packages/ directories, and how do we handle my
little Bigbank deployment scenario below :)



 On 8/11/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:

 Pete Robbins wrote:
  A lot of things referenced from a .composite are a path relative to
 the
  .composite file (the compsite root). This is defined in the spec. For
  example,
  component name=MyValueServiceComponent
   implementation.cpp library=MyValuelibrary path=MyValue
  header=MyValue/MyValueImpl.h/implementation.cpp
 
  so if the composite file is in
 .../deploy/configuration/myValue.composite
  the library will be located at
  .../deploy/configuration/MyValue/libMyValuelibrary.so. Similarly the
  implementation header will be located at
  .../deploy/configuration/MyValue/MyValueImpl.h
 
  ...so I don't think you can have an arbitrary separation of
 configuration
  and packages.
 
  I think we can use a very simple deployment which is that the runtime
  will
  find all the composites under the system root so it could look
like:
  .../deploy
   fred.composite ( composite name=abc/ )
  some_other_artifacts
  /ANOtherCompo
 joe.composite ( composite name=xyz/ )
/joes_libraries
joe.dll
 
  So the name of the folder and composite file is irrelevent as the
 actual
  composite name comes from the scdl name=. This, of course, is a
little
  harder for the runtime to load but a lot simpler for the user IMO.
 
  So for a MyValue sample I'd develop my composites in a structure that
  matches the deploy layout. This is necessary for the scagen step that
  requires the scdl and the interface headers to generate the proxies
 and
  wrappers. This strcture may or may not have multiple directories at
 the
  choice of the developer, he may want each component in a separate dir
 for
  instance. Deployment is simply copying the scdl, libraries and
headers
 to
  wherever they are to be deployed. (Although the headers are not
 currently
  used at runtime it is possible that they may be in the future).
 
  So I may end up with:
 
  .../MyValue
   myValue.composite
   myVal.componentType
   /CustomerInfo
  custinfo.componentType
  custinfo.h etc..
 
  Cheers,
 
 
  On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:
 
  When I started to implement the new composite assembly model I felt
a
  need to adjust a little the folder structure under the Tuscany
system
  root, did half of it, which triggered some questions :) This is a
new
  thread to discuss these changes.
 
  Here's what we had in M1:
 
  $TUSCANY_SCAPP_SYSTEM_ROOT/ -- your Tuscany-system-root
 subsystems/
 CalculatorSubsystem/
 sca.subsystem -- creates and configures the Calculator
  module component
 modules/
 Calculator -- the Calculator module and code
 sca.module
 other artifacts, *.so, *.wsdl, *.xsd etc.
 
  Now that the spec has removed subsystem, module and fragment, and
  generalized the use of composites, here's what I'd like to propose:
 
  deploy/ -- your Tuscany-system-root
 configuration/
 CalculatorApp.composite -- creates the Calculator
 component, we
  don't need sub-folders here since we can give meaningful name to
  composite files now
 packages/
 Calculator -- the Calculator composite and code
 Calculator.composite
 other artifacts, *.so, *.wsdl, *.xsd etc.
 
  - Configuration contains the composites included in your system
 creating
  and configuring your top level components.
  - Packages contains all your other development artifacts (not
  necessarily just composites that's why I'm proposing packages/
 instead
  of modules/ or composites/).
  - I think that the samples should use consistent naming convenvions,
 but
  you should also be able to pick the names you want for your
 folders and
  artifacts and have Foo/Bar.composite containing composite
 name=Abc/
  for example.
 
  Any thoughts?
 
  --
  Jean-Sebastien
 
 
 

New woodstox release

2006-08-11 Thread ant elder

While we talking about moving to more recent releases of things, there's a
Woodstox 3.0 out now, should we look at upgrading to that as well? Probably
not too hard a change if some budding contributor wants to check out if its
an easy upgrade and submit a patch when Woodstox hits a maven repos.

Or should we stick with 2.9.3 for now while we know it works fine?

  ..ant


Compile errors in Eclipse

2006-08-11 Thread ant elder

When I set up the Tuscany eclipse projects with mvn -Peclipse
eclipse:eclipse there are some compile errors in the eclipse projects.

One in the Groovy container:

The method andReturn(capture-of ?) in the type
IExpectationSetterscapture-of ? is not applicable for the arguments
(String)PropertyTestCase.java
groovy/src/test/java/org/apache/tuscany/container/groovyline 5211
August 2006 12:54:0411027

and half a dozen of these errors in the databinding code:

Type mismatch: cannot convert from DirectedGraphString,Object.Vertex to
DirectedGraphV,E.VertexDirectedGraphTestCase.java
databinding-framework/src/test/java/org/apache/tuscany/databinding/impl
line 4711 August 2006 12:53:3610535

The code compiles fine outside of eclipse with mvn, so I guess this is an
eclipse compiler thing. Do others see these in eclipse or know how to fix
them?

  ...ant


Re: Moving WS binding from Axis 2.0 release to an Axis2 SNAPSHOT build

2006-08-11 Thread Rick
Well with some hacks I have been able to get the client (reference) to 
execute a web service. With what I checked in the server side was also 
loaded but there are some configuring issues I haven't looked at but 
they are axis related and something that may even be different with a 
newer version of Axis.  So I guess I'm saying is if no other issues and 
using snap shots of Axis is the way to go... let the fun begin:-) I'm 
actually available to help out now..  I was thinking we could split 
server/client, how does that sound?  If we want we could work on this  
in a branch so as to not disrupt others.

ant elder wrote:
There was an offline chat yesterday about moving up to a newer Axis2 
build
to pick up some recent fixes. I'm a bit nervous about doing this right 
now
while Rick is in the middle of trying to get the WS binding to go, and 
while
the WS binding doesn't really work yet so we wont be able to easily 
confirm
our code still works with the newer Axis2. How should we do this? 
Should we
have a known SNAPSHOT build that we keep in a private maven repository 
like
we did pre-M1? Should I just go ahead and make the necessary changes 
or wait
till you're at some clean point Rick? Should I wait till we have a 
service
and reference working before upgrading so we can know if the upgrade 
causes

us any problems?

  ...ant




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Re: [C++] Do we need SDO annotations in the SCDL XSDs?

2006-08-11 Thread Edward Slattery

Yes, the SDO Xpath support was always one of those 'must rewrite when theres
time' items.
It doesnt support dots in property names, as it uses the . or a [ to
indicate that the property being referenced is a many-valued property and
must be accessed via getList, using the index following the . or [.

I guess a better solution would be to take the element of the path between
path separators, and first validate whether the element is an expected
property of the current object. If it is just use it, otherwise see of the
last lump of the element is an index, and try again with the remainder of
the element.

It would be interesting to see what the current java implementation makes
of:

data object type bar
{
property fred - type DataObject.
}

data object  type foo
{
property  a.property.name - many  valued data object of type bar
property  a.property.name.1 -  single valued data object
}

foo-getDataObject(a.property.name.2); // getting from the array
foo-getDataObject(a.property.name.1); // getting from the single value
foo-getDataObject(a.property.name.1/fred); // getting from element 1 of
the array


BTW - in terms of 'special characters' I assumed it meant path separators -
I guess theres no requirement to have a property name like this/property?


cheers,
Ed.

On 09/08/06, Pete Robbins [EMAIL PROTECTED] wrote:


Good! because the SDO XPath code looks a bit messy :-(

Cheers,


On 09/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:

 Jean-Sebastien Delfino wrote:
  Pete Robbins wrote:
  I'll take a look at the XPath stuff in SDO and see if we can avoid
the
  annotations for the new assembly model schema. It may not be simple
  so we
  may have to annotate the schema to start with and fix this later.
 
  Cheers,
 
 
  OK, let me know. If it turns out that we need the annotations to start
  with as a workaround to this issue with dots, then no problem I'll add
  them. Thanks.
 

 Interesting how sometimes expected design issues turn into non-issues
 once you actually write code :) I tried to use the XSDs without
 annotations, and... everything works!

 This is because the ModelLoader works with the base XSD complex types
 and substitution groups, which contain no dots in their names. We never
 do DataObject.get(interface.cpp) for example, we only do
 DataObject.get(interface)... So there was no problem after all :) we
 don't need any annotations in the SCDL XSDs.

 --
 Jean-Sebastien


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--
Pete




Re: [C++] Do we need SDO annotations in the SCDL XSDs?

2006-08-11 Thread Pete Robbins

On 11/08/06, Edward Slattery [EMAIL PROTECTED] wrote:


Yes, the SDO Xpath support was always one of those 'must rewrite when
theres
time' items.
It doesnt support dots in property names, as it uses the . or a [ to
indicate that the property being referenced is a many-valued property and
must be accessed via getList, using the index following the . or [.

I guess a better solution would be to take the element of the path between
path separators, and first validate whether the element is an expected
property of the current object. If it is just use it, otherwise see of the
last lump of the element is an index, and try again with the remainder of
the element.

It would be interesting to see what the current java implementation makes
of:

data object type bar
{
property fred - type DataObject.
}

data object  type foo
{
property  a.property.name - many  valued data object of type bar
property  a.property.name.1 -  single valued data object
}

foo-getDataObject(a.property.name.2); // getting from the array
foo-getDataObject(a.property.name.1); // getting from the single value
foo-getDataObject(a.property.name.1/fred); // getting from element 1 of
the array



Fuhwei answered this above and I think it's a reasonable approach (and I
think what you are suggesting):

First, it checks whether a.property.name.1 is a valid property name. If
yes, getDataObject() would return the value of a.property.name.1 otherwise
it treats a.property.name.1 as an XPath string.

Cheers,

--
Pete


Re: [jira] Updated: (TUSCANY-585) Initial support for callbacks

2006-08-11 Thread Ignacio Silva-Lepe
Hmm, ok, first off a bit of clarification on the terminology. When I say 
local callback (or plain invocation) via a reference, I was thinking about 
the case of a component in a composite talking to a component in another 
composite via their respective composite reference and service, where both 
composites are contained in a third (larger) composite, all in the same 
process or machine. Perhaps this is not a valid or considered use case but 
it seems to be different from a wire between two components, and from a wire 
whose target is a reference that has a remote binding, e.g., ws.
Wires between components are already taken care of. A wire to a reference 
with a remote binding needs to involve the Reference (or Service) defined by 
the appropriate binding, e.g., Axis2Reference (or Axis2Service). But before 
we get there I thought we were trying to take care of the 'local via a 
reference' case as above. If this is something we intend to do I am open to 
the idea of not requiring a JavaReference or a JavaService. However, two 
things come to mind:
(1) A Reference on a composite in this case may represent an external 
service but not a remote one, i.e., a service external to the composite but 
local wrt the process or machine. If this is a valid scenario, then one 
question is what is the binding to be used by this reference? Can it be 
plugged in depending on deployment scenario? If such scenario is as above 
then binding.ws or some such may not be appropriate, what's the alternative, 
binding.sca or even something like binding.java?
(2) If what we are doing is connecting two composites in the same machine 
via their respective Reference and Service as above, then the target invoker 
for the Reference of the source composite needs to behave like the target 
invoker for an atomic component with the difference that no user-defined 
logic is invoked, only the proxy for the Reference's outbound wire. Perhaps 
this is what you meant by optimizing away a JavaReference and only using a 
proxy. But the optimization seems to be dependent on the Reference's 
binding, i.e., whether it is a remote binding (e.g., ws) or not (as above).

Hopefully things are not getting more confused.

Thanks
- Original Message - 
From: Jim Marino [EMAIL PROTECTED]

To: tuscany-dev@ws.apache.org
Sent: Thursday, August 10, 2006 10:42 PM
Subject: Re: [jira] Updated: (TUSCANY-585) Initial support for callbacks




On Aug 10, 2006, at 8:37 AM, Ignacio Silva-Lepe wrote:

Sure, I want to make sure I understand what local callbacks (or  plain 
invocations for that matter) via references means.


I was defining a local callback as being a bidirectional wire to a  target 
component, which (by definition) is in the same composite. A  wire whose 
target is a reference would be a remote callback since  the invocation 
flows outside a composite. For local callbacks, we  don't need to persist 
ids and have more control of things  (lifecycle, thread dispatching, 
by-ref, etc.). For remote callbacks,  I don't think we should allow direct 
wiring to a child component in  another composite as that breaks 
visibility rules for composites.  Rather, I was thinking we would need to 
design for a durable store to  be able to map back to the callback wire 
and target instance (target  instance id may be able to be calculated 
using an FQN of its  component name in the composite hierarchy). On the 
outbound leg, the  reference target invoker would persist the id to wire 
chain mapping.  The binding would be responsible for flowing the ids. In 
this case,  references act as services and services act as references 
during a  callback and would have to re-associate the ids with invocation 
chains.


A ReferenceExtension is built wrt a binding, e.g., Axis2Reference.  So 
for 'local' we treat the binding as a (dummy) special case and  wire 
directly to a component's or a composite's service, as in  EchoReference 
but more fleshed out. Similarly, for service, which  for local could be 
wired from a component's or a composite's  reference. If this makes 
sense, then it means we need new  JavaReference, JavaService and 
JavaBindingBuilder implementations  that don't currently exist and that 
use a dummy JavaBinding similar  to EchoBinding.
I may be misunderstanding but for the local case, I think things are 
conceptually the same but there are some optimizations and  implementation 
differences that do not require us to have  JavaReference or JavaService. 
References on composites are just  representations of some external 
service and are responsible for  dispatching an invocation to it over a 
binding. Similarly, a  reference on a Java component is just a 
representation of the target  service and the binding can be considered 
something like pass-by- reference or vm. However, implementations vary 
with the composite  reference being realized as a Reference and a Java 
component  reference being just a proxy.  I don't think we need the extra 
step  of 

Re: [C++] Do we need Tuscany-model.config?

2006-08-11 Thread Jeremy Boynes

In the Java version we are using WSDL2.0's wsdlLocation feature:
http://www.w3.org/TR/wsdl20/#wsdlLocation-aii

For an example of how a service would look you might check this thread:
http://mail-archives.apache.org/mod_mbox/ws-tuscany-dev/200608.mbox/% 
[EMAIL PROTECTED]


--
Jeremy

On Aug 11, 2006, at 12:57 AM, Pete Robbins wrote:

of course this supposes that all the schema and wsdl is local. We  
probably

need to support the case where the wsdl is remote e.g.
http://mySite/flobber.wsdl

Cheers,


On 11/08/06, Pete Robbins [EMAIL PROTECTED] wrote:


Actually the wsdl/xsd are loaded for a particular composite so if  
there
were more say 2 .composites in a folder and 3 xsds we would load  
all 3 xsds

twice, once for each composite.


On 11/08/06, Pete Robbins [EMAIL PROTECTED] wrote:

  so we load any wsdl/xsd in the same folder as the .composite file?
 Sounds reasonable.

 Cheers,


 On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED]  wrote:
 
  Pete Robbins wrote:
   This is similar to what Java had. I think htis is replaced by
   include.wsdl 
   and include.xsd or soemthing. Not sure if this got into  
the spec.

  
   Cheers,
  
  
   On 11/08/06, Jean-Sebastien Delfino  [EMAIL PROTECTED]   
wrote:

  
   It looks like Tuscany-model.config just lists the WSDLs and  
XSDs

  used in
   an application. Do we still need it? or could we just  
figure out

   ourselves what the WSDLs and XSDs are?
  
   Just trying to make it simpler for users to write SCA  
applications,

  and
   limit the number of things that they have to worry about...
  
   --
   Jean-Sebastien
  
  
  
   
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[EMAIL PROTECTED]

  
  
  
  
 
  As far as I know include.wsdl and  include.xsd are not in  
the spec
  yet. I'm actually thinking that placing the WSDL and XSD files  
in the
  directory containing the application should be enough to  
indicate that

 
  they should be used. In other words, no need to edit an XML file
  telling
  the runtime that some WSDL and XSD files are there, the  
runtime should

  be smart enough to just scan and find them...
 
  --
  Jean-Sebastien
 
 
   
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 --

 Pete




--

Pete





--
Pete



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Re: [C++] Do we need Tuscany-model.config?

2006-08-11 Thread ant elder

I really like that auto discovery of WSDL without having to explicitly have
anything pointing to it in the scdl. Didn't the really old Java code that
was first given to Apache work like this? I think Ken has also mentioned
that the JAXWS binding he's doing will work like that as well. Probably
there still needs to be a way to explicitly define this in the SCDL, i did
like the old import.wsdl way that the Java M1 code had, it was much nicer
than the tuscany-model.config we used to use and i think it makes things
clearer than having a wsdlLocation on the interface.wsdl or
biniding.wselements. Whatever we do we should try to keep this
consistent across the
Java and C++ runtimes.

  ...ant

On 8/11/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:

snip/

As far as I know include.wsdl and include.xsd are not in the spec

yet. I'm actually thinking that placing the WSDL and XSD files in the
directory containing the application should be enough to indicate that
they should be used. In other words, no need to edit an XML file telling
the runtime that some WSDL and XSD files are there, the runtime should
be smart enough to just scan and find them...

--
Jean-Sebastien


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Re: Moving WS binding from Axis 2.0 release to an Axis2 SNAPSHOT build

2006-08-11 Thread ant elder

Could you describe how to get the ws client sample running?

I'll just have a go moving to a snapshot build on my local machine and see
if there's any issues. Don't think we need a branch or to split this btw
client and service just yet, it may end up being quite a painless upgrade

  ...ant

On 8/11/06, Rick [EMAIL PROTECTED] wrote:


Well with some hacks I have been able to get the client (reference) to
execute a web service. With what I checked in the server side was also
loaded but there are some configuring issues I haven't looked at but
they are axis related and something that may even be different with a
newer version of Axis.  So I guess I'm saying is if no other issues and
using snap shots of Axis is the way to go... let the fun begin:-) I'm
actually available to help out now..  I was thinking we could split
server/client, how does that sound?  If we want we could work on this
in a branch so as to not disrupt others.
ant elder wrote:
 There was an offline chat yesterday about moving up to a newer Axis2
 build
 to pick up some recent fixes. I'm a bit nervous about doing this right
 now
 while Rick is in the middle of trying to get the WS binding to go, and
 while
 the WS binding doesn't really work yet so we wont be able to easily
 confirm
 our code still works with the newer Axis2. How should we do this?
 Should we
 have a known SNAPSHOT build that we keep in a private maven repository
 like
 we did pre-M1? Should I just go ahead and make the necessary changes
 or wait
 till you're at some clean point Rick? Should I wait till we have a
 service
 and reference working before upgrading so we can know if the upgrade
 causes
 us any problems?

   ...ant



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Re: Binding extension example

2006-08-11 Thread Jeremy Boynes

On Aug 11, 2006, at 2:04 AM, ant elder wrote:


Ok I've added a TargetInvokerExtension. The clone method doesn't seem
perfect yet as subclasses now aren't forced to implement clone by the
compiler.


I've not had coffee yet but AIUI you don't need to override clone in  
subclasses unless you need a deep copy. The way it is implemented at  
the moment does an unnecessary copy of the cacheable field (as that  
member will be cloned by the implementation in Object.clone()).


Something like this should work:
Index: spi/src/main/java/org/apache/tuscany/spi/extension/ 
TargetInvokerExtension.java

===
--- spi/src/main/java/org/apache/tuscany/spi/extension/ 
TargetInvokerExtension.java  (revision 430795)
+++ spi/src/main/java/org/apache/tuscany/spi/extension/ 
TargetInvokerExtension.java  (working copy)

@@ -54,10 +54,13 @@
 return isCacheable();
 }

-public Object clone() throws CloneNotSupportedException {
-TargetInvokerExtension clonedInvoker =  
(TargetInvokerExtension) super.clone();

-clonedInvoker.cacheable = this.cacheable;
-return clonedInvoker;
+public Object clone() {
+try {
+return super.clone();
+} catch (CloneNotSupportedException e) {
+// TargetInvoker extends Cloneable so this should not  
have been thrown

+throw new AssertionError(e);
+}
 }
}


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Re: Binding extension example

2006-08-11 Thread ant elder

I did wonder about this, doesn't it need to be a deep copy? I don't really
understand the purpose of cacheable, but if its set on the one instance
shouldn't it be also set on the clone? And do subclasses need to copy their
fields? Say the RMI binding was using this abstract class should it setting
the remoteMethod field on the clone?

  ...ant

On 8/11/06, Jeremy Boynes [EMAIL PROTECTED] wrote:


On Aug 11, 2006, at 2:04 AM, ant elder wrote:

 Ok I've added a TargetInvokerExtension. The clone method doesn't seem
 perfect yet as subclasses now aren't forced to implement clone by the
 compiler.

I've not had coffee yet but AIUI you don't need to override clone in
subclasses uouldnless you need a deep copy. The way it is implemented at
the moment does an unnecessary copy of the cacheable field (as that
member will be cloned by the implementation in Object.clone()).

Something like this should work:
Index: spi/src/main/java/org/apache/tuscany/spi/extension/
TargetInvokerExtension.java
===
--- spi/src/main/java/org/apache/tuscany/spi/extension/
TargetInvokerExtension.java  (revision 430795)
+++ spi/src/main/java/org/apache/tuscany/spi/extension/
TargetInvokerExtension.java  (working copy)
@@ -54,10 +54,13 @@
  return isCacheable();
  }

-public Object clone() throws CloneNotSupportedException {
-TargetInvokerExtension clonedInvoker =
(TargetInvokerExtension) super.clone();
-clonedInvoker.cacheable = this.cacheable;
-return clonedInvoker;
+public Object clone() {
+try {
+return super.clone();
+} catch (CloneNotSupportedException e) {
+// TargetInvoker extends Cloneable so this should not
have been thrown
+throw new AssertionError(e);
+}
  }
}


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Re: Moving WS binding from Axis 2.0 release to an Axis2 SNAPSHOT build

2006-08-11 Thread Rick
run.bat ... ran it against old M1 server.  Right now it set for just 
that sample.. there is a hack there where I suspect the databinding will 
generate the method/parameter  elements as it once did to conform to the 
wsdl..

ant elder wrote:

Could you describe how to get the ws client sample running?

I'll just have a go moving to a snapshot build on my local machine and 
see

if there's any issues. Don't think we need a branch or to split this btw
client and service just yet, it may end up being quite a painless upgrade

  ...ant

On 8/11/06, Rick [EMAIL PROTECTED] wrote:


Well with some hacks I have been able to get the client (reference) to
execute a web service. With what I checked in the server side was also
loaded but there are some configuring issues I haven't looked at but
they are axis related and something that may even be different with a
newer version of Axis.  So I guess I'm saying is if no other issues and
using snap shots of Axis is the way to go... let the fun begin:-) I'm
actually available to help out now..  I was thinking we could split
server/client, how does that sound?  If we want we could work on this
in a branch so as to not disrupt others.
ant elder wrote:
 There was an offline chat yesterday about moving up to a newer Axis2
 build
 to pick up some recent fixes. I'm a bit nervous about doing this right
 now
 while Rick is in the middle of trying to get the WS binding to go, and
 while
 the WS binding doesn't really work yet so we wont be able to easily
 confirm
 our code still works with the newer Axis2. How should we do this?
 Should we
 have a known SNAPSHOT build that we keep in a private maven repository
 like
 we did pre-M1? Should I just go ahead and make the necessary changes
 or wait
 till you're at some clean point Rick? Should I wait till we have a
 service
 and reference working before upgrading so we can know if the upgrade
 causes
 us any problems?

   ...ant



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Re: Binding extension example

2006-08-11 Thread Jeremy Boynes

On Aug 11, 2006, at 7:36 AM, ant elder wrote:

I did wonder about this, doesn't it need to be a deep copy? I don't  
really
understand the purpose of cacheable, but if its set on the one  
instance
shouldn't it be also set on the clone? And do subclasses need to  
copy their
fields? Say the RMI binding was using this abstract class should it  
setting

the remoteMethod field on the clone?


http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#clone()

And remember deep copy only applies to mutable objects
--
Jeremy

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Re: Binding extension example

2006-08-11 Thread ant elder

I'm not sure I understand what you're trying to say? The JavaDoc for
TargetInvoker.clone says Implementations must support deep cloning.

  ...ant

On 8/11/06, Jeremy Boynes [EMAIL PROTECTED] wrote:


On Aug 11, 2006, at 7:36 AM, ant elder wrote:

 I did wonder about this, doesn't it need to be a deep copy? I don't
 really
 understand the purpose of cacheable, but if its set on the one
 instance
 shouldn't it be also set on the clone? And do subclasses need to
 copy their
 fields? Say the RMI binding was using this abstract class should it
 setting
 the remoteMethod field on the clone?

http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#clone()

And remember deep copy only applies to mutable objects
--
Jeremy

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[jira] Assigned: (TUSCANY-197) Fix Java5 warnings with references to un-parameterized ComponentT

2006-08-11 Thread Jean-Sebastien Delfino (JIRA)
 [ http://issues.apache.org/jira/browse/TUSCANY-197?page=all ]

Jean-Sebastien Delfino reassigned TUSCANY-197:
--

Assignee: (was: Jean-Sebastien Delfino)

 Fix Java5 warnings with references to un-parameterized ComponentT
 ---

 Key: TUSCANY-197
 URL: http://issues.apache.org/jira/browse/TUSCANY-197
 Project: Tuscany
  Issue Type: Sub-task
  Components: Java SCA Model
Affects Versions: Java-Mx
Reporter: Jean-Sebastien Delfino
Priority: Minor
 Fix For: Java-Mx


 We need to fix the Java5 compiler warnings caused by references to 
 un-parameterized ComponentT

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[C++] Status of the MyValue sample

2006-08-11 Thread Jean-Sebastien Delfino
I'm not sure if the old MyValue sample actually builds or works at all. 
Do you want to keep it? or would it be better to just remove it for now 
to minimize work (since it's old, not used in the spec anymore and 
duplicates some of Bigbank) and instead get new interesting scenarios to 
work?


What do you think?

--
Jean-Sebastien


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Re: adding an interceptor

2006-08-11 Thread Jim Marino


On Aug 10, 2006, at 3:13 PM, Raymond Feng wrote:


Hi,

I'm exploring the possibility to add interceptors to deal with data  
binding transformations. It seems that PolicyBuilder is one place  
that interceptors can be added to the invocation chain. Can other  
builders (such as component builders and binding builders)  
contribute interceptors as well? I read the code briefly and found  
out the wires are not connected when the builders are invoked.
Yes the interceptors are added before the connect phase. Do you need  
knowledge of both ends of the wire? If so, we may have to look at  
moving the PolicyBuilder into the connector, which wouldn't be that  
big of a deal.


Thanks,
Raymond



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Re: using stdcxx in tuscany/C++

2006-08-11 Thread Martin Sebor

Jean-Sebastien Delfino wrote:
[...]
I downloaded your 4.1.3 release, compiled it on Redhat Enterprise Linux 
4, and ran some of your samples.


I have two questions:

- How do I run all your test cases?


Unfortunately, in 4.1.3 you need to run them one at a time by hand
(the stdcxx test suite was and still is being migrated from the
Rogue Wave test harness and so things have been a bit in flux).
Alternatively, you can try applying the following patch to see
if it resolves the problem:
  http://svn.apache.org/viewvc?view=revrevision=419995

This is resolved on trunk (where make run works again).

I found a run executable in 
build/test, tried ./run ./* and got this:


Invoking the run script directly will work but using make run is
the recommended way to run the tests and examples (and locales).


  Summary: out of 69 programs
   45 exited with non-zero status


The tests fail due to incompatible command line options being passed
to them by the test harness. This is the subject of the already fixed
STDCXX-254: http://issues.apache.org/jira/browse/STDCXX-254.


   24 failed to compile


I'm not sure what exactly is behind these failures but it's not
anything in the library.


   0 failed to link
   0 failed at least one assertion
   0 exited with a signal
   0 killed with signal 9
   no regressions (this is baseline)
   34% pass rate

I'm assuming that the failures are my problem and I'm not running this 
correctly since all the samples I tried worked nicely :)


They're not your problem but they're nothing to worry about, either.
FWIW, we're working on publishing stdcxx test results across all our
platforms. This project is very much in a proof of concept stage but
you can get a glimpse of what it might look like here (ignore the
links on the page, they are not functional yet):
  http://people.apache.org/~sebor/stdcxx-results.html



- Also, I noticed that the build generates .a files. Is there an option 
to generate a .so shared library?


Yes, there certainly is. For now you can use the BUILDMODE make
variable. In the (near) future we also plan to provide a configure
like interface to the build infrastructure to let people use the
usual --enable-xxx switches (such as --enable-shared).

The BUILDMODE variable is specified as taking a build-mode
argument defined in the README as follows:

build-mode is a comma-separated list of keywords describing how
 to build the library and the rest of the
 binaries. The following arguments are recognized:

 dcethreads - create a thread-safe library, use DCE
  threads
 debug - include debugging information
 optimized - optimized
 pthreads - create a thread safe library, use POSIX
threads
 shared - create a shared library (archive is default)
 shared,archive - create an AIX shared archive
 threads - create a thread-safe library, use Solaris
   threads
 wide - generate wide (64-bit) code

Read the full details here:
http://svn.apache.org/repos/asf/incubator/stdcxx/trunk/etc/config/README

Martin

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Re: [C++] Status of the MyValue sample

2006-08-11 Thread Pete Robbins

It's not currently built. I was actually experimenting with it as a
development - deployment sample so that I could write a how to article.
Time got in the way though! I may resurrect it using the recursive model at
some point.

Cheers,


On 11/08/06, Jean-Sebastien Delfino [EMAIL PROTECTED] wrote:


I'm not sure if the old MyValue sample actually builds or works at all.
Do you want to keep it? or would it be better to just remove it for now
to minimize work (since it's old, not used in the spec anymore and
duplicates some of Bigbank) and instead get new interesting scenarios to
work?

What do you think?

--
Jean-Sebastien


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--
Pete


Re: Compile errors in Eclipse

2006-08-11 Thread Raymond Feng

Hi,

I'm seeing the same error on Groovy container inside Eclipse. And the 
following diff fixes the complaint (I assume the existing code is valid).


-expect(factory.getInstance()).andReturn(bar);
+expect((String) factory.getInstance()).andReturn(bar);

I also ran into an issue that Eclipse cannot recognize MapString, 
InboudWire.


It seems that it's an eclipse bug. BTW, I'm running Eclipse 3.2.

Thanks,
Raymond


- Original Message - 
From: ant elder [EMAIL PROTECTED]

To: tuscany-dev@ws.apache.org
Sent: Friday, August 11, 2006 5:03 AM
Subject: Compile errors in Eclipse



When I set up the Tuscany eclipse projects with mvn -Peclipse
eclipse:eclipse there are some compile errors in the eclipse projects.

One in the Groovy container:

The method andReturn(capture-of ?) in the type
IExpectationSetterscapture-of ? is not applicable for the arguments
(String)PropertyTestCase.java
groovy/src/test/java/org/apache/tuscany/container/groovyline 5211
August 2006 12:54:0411027

and half a dozen of these errors in the databinding code:

Type mismatch: cannot convert from DirectedGraphString,Object.Vertex to
DirectedGraphV,E.VertexDirectedGraphTestCase.java
databinding-framework/src/test/java/org/apache/tuscany/databinding/impl
line 4711 August 2006 12:53:3610535

The code compiles fine outside of eclipse with mvn, so I guess this is an
eclipse compiler thing. Do others see these in eclipse or know how to fix
them?

  ...ant




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Re: Compile errors in Eclipse

2006-08-11 Thread Jeremy Boynes

On Aug 11, 2006, at 9:48 AM, Raymond Feng wrote:


Hi,

I'm seeing the same error on Groovy container inside Eclipse. And  
the following diff fixes the complaint (I assume the existing code  
is valid).


-expect(factory.getInstance()).andReturn(bar);
+expect((String) factory.getInstance()).andReturn(bar);

I also ran into an issue that Eclipse cannot recognize MapString,  
InboudWire.


It seems that it's an eclipse bug. BTW, I'm running Eclipse 3.2.


FWIW I do not get any errors reported by IDEA. With IDEA and the  
compiler not having a problem I would agree this looks like an  
Eclipse bug.

--
Jeremy

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Re: Moving WS binding from Axis 2.0 release to an Axis2 SNAPSHOT build

2006-08-11 Thread ant elder

Rick, I've had a look at the latest Axis2 snapshot builds and it doesn't
seem so bad, just a few changes and it all compiles ok in eclipse. Haven't
got your WS client sample running yet but hopefully will soon and I'll
looking at moving to the snapshot builds over the weekend or maybe Monday.
I'll watch out for you on IRC over the weekend to coordinate with what
you're doing.

  ...ant

On 8/11/06, ant elder [EMAIL PROTECTED] wrote:


Could you describe how to get the ws client sample running?

I'll just have a go moving to a snapshot build on my local machine and see
if there's any issues. Don't think we need a branch or to split this btw
client and service just yet, it may end up being quite a painless upgrade

   ...ant


On 8/11/06, Rick [EMAIL PROTECTED] wrote:

 Well with some hacks I have been able to get the client (reference) to
 execute a web service. With what I checked in the server side was also
 loaded but there are some configuring issues I haven't looked at but
 they are axis related and something that may even be different with a
 newer version of Axis.  So I guess I'm saying is if no other issues and
 using snap shots of Axis is the way to go... let the fun begin:-) I'm
 actually available to help out now..  I was thinking we could split
 server/client, how does that sound?  If we want we could work on this
 in a branch so as to not disrupt others.
 ant elder wrote:
  There was an offline chat yesterday about moving up to a newer Axis2
  build
  to pick up some recent fixes. I'm a bit nervous about doing this right
  now
  while Rick is in the middle of trying to get the WS binding to go, and
  while
  the WS binding doesn't really work yet so we wont be able to easily
  confirm
  our code still works with the newer Axis2. How should we do this?
  Should we
  have a known SNAPSHOT build that we keep in a private maven repository
  like
  we did pre-M1? Should I just go ahead and make the necessary changes
  or wait
  till you're at some clean point Rick? Should I wait till we have a
  service
  and reference working before upgrading so we can know if the upgrade
  causes
  us any problems?
 
...ant
 


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Re: Binding extension example

2006-08-11 Thread Jeremy Boynes
What I am saying is that the documentation on clone() is quite  
explicit about what it does and answers the questions that you raised.


this method creates a new instance of the class of this object and  
initializes all its fields with exactly the contents of the  
corresponding fields of this object, as if by assignment; the  
contents of the fields are not themselves cloned


In other words, the object itself is duplicated at a low level by the  
VM (allowing it to do things like clone final fields). This has the  
effect of copying all primitives and object references. This is a  
shallow copy because only the references to objects are copied and  
not their nested contents.


This is ok if a class contains only primitive fields or references  
to immutable objects and means that no fields in the object  
returned by super.clone need to be modified. So in this case where  
the only field cacheable is a primitive it does not need to be set  
on the clone.


Because Object.clone() applies to the entire object this behaviour  
also applies to all subclasses. Only when a field contains a  
reference to a mutable object does the subclass need to worry about  
doing a deep copy of that referenced object.


As for RMIInvoker, the remoteMethod field is of type Method which is  
effectively immutable and so does not need to be deep copied.


--
Jeremy

On Aug 11, 2006, at 7:53 AM, ant elder wrote:


I'm not sure I understand what you're trying to say? The JavaDoc for
TargetInvoker.clone says Implementations must support deep cloning.

  ...ant

On 8/11/06, Jeremy Boynes [EMAIL PROTECTED] wrote:


On Aug 11, 2006, at 7:36 AM, ant elder wrote:

 I did wonder about this, doesn't it need to be a deep copy? I don't
 really
 understand the purpose of cacheable, but if its set on the one
 instance
 shouldn't it be also set on the clone? And do subclasses need to
 copy their
 fields? Say the RMI binding was using this abstract class should it
 setting
 the remoteMethod field on the clone?

http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#clone()

And remember deep copy only applies to mutable objects
--
Jeremy

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[jira] Created: (TUSCANY-615) The SCDL syntax for reference doesn't conform to SCA spec 0.95

2006-08-11 Thread Raymond Feng (JIRA)
The SCDL syntax for reference doesn't conform to SCA spec 0.95
--

 Key: TUSCANY-615
 URL: http://issues.apache.org/jira/browse/TUSCANY-615
 Project: Tuscany
  Issue Type: Bug
  Components: Java SCA Core
Reporter: Raymond Feng
 Assigned To: Raymond Feng
Priority: Critical
 Attachments: rfeng-scdl.txt

With Rick check-in of r430621, I'm seeing the EchoBinding test case is failing 
with the 
following exception:

org.apache.tuscany.spi.loader.InvalidReferenceException: No target for 
service  [ClientService]
 at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java)
 at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java:1)
 at 
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
 at 
org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:75)
 at 
org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:50)
 at 
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
 at 
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:107)
 at 
org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.loadFromSidefile(CompositeComponentTypeLoader.java:46)
 at 
org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:38)
 at 
org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:20)
 at 
org.apache.tuscany.core.loader.LoaderRegistryImpl.loadComponentType(LoaderRegistryImpl.java:157)
 at 
org.apache.tuscany.core.deployer.DeployerImpl.load(DeployerImpl.java:111)
 at 
org.apache.tuscany.core.deployer.DeployerImpl.deploy(DeployerImpl.java:90)
 at 
org.apache.tuscany.core.launcher.Launcher.bootApplication(Launcher.java:171)
 at org.apache.tuscany.test.SCATestCase.setUp(SCATestCase.java:63)
 at echo.BootstrapTestCase.setUp(BootstrapTestCase.java:23)
 at junit.framework.TestCase.runBare(TestCase.java:125)
 at junit.framework.TestResult$1.protect(TestResult.java:106)
 at junit.framework.TestResult.runProtected(TestResult.java:124)
 at junit.framework.TestResult.run(TestResult.java:109)
 at junit.framework.TestCase.run(TestCase.java:118)
 at 
org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
 at 
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
 at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
 at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
 at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
 at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)

I adjusted the scdl file per SCA 0.95 spec:

composite xmlns=http://www.osoa.org/xmlns/sca/1.0; name=echo.sample
service name=ClientService
interface.java class=echo.Client/
binding.echo/
referenceClient/reference
/service
component name=Client
implementation.java class=echo.ClientImpl/
reference name=echoReferenceEchoReference/reference
/component
reference name=EchoReference
interface.java interface=echo.Echo/
binding.echo/
/reference
/composite

Now the ServiceLoader.java is problematic because it assumes it'll get 
reference before the binding which is not case per SCA 0.95 spec:

service name=xs:NCName multiplicity=0..1 or 1..1 or 0..n or 1..n?*
interface/
binding uri=xs:anyURI?/*
referencewire-target-URI/reference+
/service

component name=xs:NCName*
implementation/
property name=xs:NCName source=sca:Property?*
property-value
/property
reference name=xs:NCName/*
wire-target-URI
/reference
/component

The ComponentLoader.java cannot handle the reference element either since 
the SCA spec 0.95 also use the element content instead of target 
attribute.

I attached a patch to fix the problem.

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Improved site look and feel

2006-08-11 Thread David Wheeler

Hello everyone,

The recent changes to the main site included a number of modifications to
the site's content, but the look and feel of the site seems to have slipped
.
I feel In order to attract people into the site and get them to actually
read that content, it needs to be presented in an appealing manner. So I've
started working on addressing this problem.

I've attached a mockup (no HTML yet) of a possible revision to the site. I
tried to take the logo and continue down that line with rounded corners and
a light green theme.
http://wiki.apache.org/ws-data/attachments/Tuscany(2f)ClickableImages/attachments/SiteMock%288-11-06%29.png?1155321723.49

Please let me know what you think and if you have any ideas.

-David W


Re: [jira] Updated: (TUSCANY-585) Initial support for callbacks

2006-08-11 Thread Jeremy Boynes
I have a feeling there may be some confusion here with terminology -  
heck, I know I'm confused :-)


I think there are several scenarios here and would like to make sure  
they are all being covered.
1) Component-Component - this must lie within a Composite and may  
have local or remote semantics
2) Component-Reference with remote Binding - the wire lies within a  
Composite and disappears into the remote binding
3) Component-Reference wired by the Composite - there is a local  
wire between the Component and the Reference and an external wire  
from the CompositeComponent to a sibling Component or Reference (aka  
the uncle)


I believe cases 1) and 2) are well covered. A target SCAObject is  
created with an inbound wire which is then connected to an outbound  
wire from the source. The resulting connection may be optimized away,  
or may have policy or other interceptors applied.


I am confused about how case 3) is being handled, specifically how  
the connection is being made between the Reference and the  
CompositeComponent.


I think there is a good case to me made for having an SCAObject to  
represent the Reference - for example, you may want to manage the  
reference in some way. Having it there does not mean that it needs to  
be part of the invocation path. For example, during connection the  
wire could be optimized in a way that allowed the uncle to be  
directly injected into the source.


Perhaps JavaReference is confusing here - how about we call it a  
CompositeReference, as in a Reference whose wiring is handled by  
the composite component that contains it. This would work in  
conjunction with a CompositeComponent to pass wires around - for  
example, CompositeComponent.addOutboundWire could just delegate down  
to the appropriate CompositeReference (selected by name).


--
Jeremy

On Aug 11, 2006, at 6:46 AM, Ignacio Silva-Lepe wrote:

Hmm, ok, first off a bit of clarification on the terminology. When  
I say local callback (or plain invocation) via a reference, I was  
thinking about the case of a component in a composite talking to a  
component in another composite via their respective composite  
reference and service, where both composites are contained in a  
third (larger) composite, all in the same process or machine.  
Perhaps this is not a valid or considered use case but it seems to  
be different from a wire between two components, and from a wire  
whose target is a reference that has a remote binding, e.g., ws.
Wires between components are already taken care of. A wire to a  
reference with a remote binding needs to involve the Reference (or  
Service) defined by the appropriate binding, e.g., Axis2Reference  
(or Axis2Service). But before we get there I thought we were trying  
to take care of the 'local via a reference' case as above. If this  
is something we intend to do I am open to the idea of not requiring  
a JavaReference or a JavaService. However, two things come to mind:
(1) A Reference on a composite in this case may represent an  
external service but not a remote one, i.e., a service external to  
the composite but local wrt the process or machine. If this is a  
valid scenario, then one question is what is the binding to be used  
by this reference? Can it be plugged in depending on deployment  
scenario? If such scenario is as above then binding.ws or some such  
may not be appropriate, what's the alternative, binding.sca or even  
something like binding.java?
(2) If what we are doing is connecting two composites in the same  
machine via their respective Reference and Service as above, then  
the target invoker for the Reference of the source composite needs  
to behave like the target invoker for an atomic component with the  
difference that no user-defined logic is invoked, only the proxy  
for the Reference's outbound wire. Perhaps this is what you meant  
by optimizing away a JavaReference and only using a proxy. But the  
optimization seems to be dependent on the Reference's binding,  
i.e., whether it is a remote binding (e.g., ws) or not (as above).

Hopefully things are not getting more confused.

Thanks
- Original Message - From: Jim Marino  
[EMAIL PROTECTED]

To: tuscany-dev@ws.apache.org
Sent: Thursday, August 10, 2006 10:42 PM
Subject: Re: [jira] Updated: (TUSCANY-585) Initial support for  
callbacks





On Aug 10, 2006, at 8:37 AM, Ignacio Silva-Lepe wrote:

Sure, I want to make sure I understand what local callbacks (or   
plain invocations for that matter) via references means.


I was defining a local callback as being a bidirectional wire to  
a  target component, which (by definition) is in the same  
composite. A  wire whose target is a reference would be a remote  
callback since  the invocation flows outside a composite. For  
local callbacks, we  don't need to persist ids and have more  
control of things  (lifecycle, thread dispatching, by-ref,  
etc.). For remote callbacks,  I don't think we should allow direct  

Re: Improved site look and feel

2006-08-11 Thread Yang ZHONG

Very nice. Thank you.

Just one tiny suggestion, the green color and blue color are right next to
each other, is it possible to change one of them since there might be people
having difficulty to distinguish them?


On 8/11/06, David Wheeler [EMAIL PROTECTED] wrote:


Hello everyone,

The recent changes to the main site included a number of modifications to
the site's content, but the look and feel of the site seems to have
slipped
.
I feel In order to attract people into the site and get them to actually
read that content, it needs to be presented in an appealing manner. So
I've
started working on addressing this problem.

I've attached a mockup (no HTML yet) of a possible revision to the site. I
tried to take the logo and continue down that line with rounded corners
and
a light green theme.

http://wiki.apache.org/ws-data/attachments/Tuscany(2f)ClickableImages/attachments/SiteMock%288-11-06%29.png?1155321723.49

Please let me know what you think and if you have any ideas.

-David W





--

Yang ZHONG


Re: Improved site look and feel

2006-08-11 Thread David Wheeler

Do you mean the blue in the project diagram?
As I can create an updated version of that, but it wasn't going to be a part
of the changes.

On 8/11/06, Yang ZHONG [EMAIL PROTECTED] wrote:


Very nice. Thank you.

Just one tiny suggestion, the green color and blue color are right next to
each other, is it possible to change one of them since there might be
people
having difficulty to distinguish them?


On 8/11/06, David Wheeler [EMAIL PROTECTED] wrote:

 Hello everyone,

 The recent changes to the main site included a number of modifications
to
 the site's content, but the look and feel of the site seems to have
 slipped
 .
 I feel In order to attract people into the site and get them to actually
 read that content, it needs to be presented in an appealing manner. So
 I've
 started working on addressing this problem.

 I've attached a mockup (no HTML yet) of a possible revision to the site.
I
 tried to take the logo and continue down that line with rounded corners
 and
 a light green theme.


http://wiki.apache.org/ws-data/attachments/Tuscany(2f)ClickableImages/attachments/SiteMock%288-11-06%29.png?1155321723.49

 Please let me know what you think and if you have any ideas.

 -David W




--

Yang ZHONG




Re: New woodstox release

2006-08-11 Thread Davanum Srinivas

3.0.0 works only on 1.5 and above :(

http://mail-archives.apache.org/mod_mbox/ws-commons-dev/200608.mbox/[EMAIL 
PROTECTED]

-- dims

On 8/11/06, ant elder [EMAIL PROTECTED] wrote:

While we talking about moving to more recent releases of things, there's a
Woodstox 3.0 out now, should we look at upgrading to that as well? Probably
not too hard a change if some budding contributor wants to check out if its
an easy upgrade and submit a patch when Woodstox hits a maven repos.

Or should we stick with 2.9.3 for now while we know it works fine?

   ..ant





--
Davanum Srinivas : http://www.wso2.net (Oxygen for Web Service Developers)

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Re: REMINDER: AUGUST REPORTS ARE ***DUE***

2006-08-11 Thread Pete Robbins

I'll add some C++ content. Will you add the nominations of new committers
etc.?
Cheers,


On 11/08/06, Jeremy Boynes [EMAIL PROTECTED] wrote:


This means us.

I can pull together the Java/SCA side - can someone please add
information on the C++ side.

The report covers the last 3 months.

--
Jeremy

Begin forwarded message:

 From: Noel J. Bergman [EMAIL PROTECTED]
 Date: August 11, 2006 11:07:35 AM PDT
 To: general@incubator.apache.org
 Subject: REMINDER: AUGUST REPORTS ARE ***DUE***
 Reply-To: general@incubator.apache.org

 The page has been sitting waiting for content:

   http://wiki.apache.org/incubator/August2006

 Reports are due every month folks.  I should not have to constantly
 nag you
 to get them in.

   --- Noel



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 For additional commands, e-mail: [EMAIL PROTECTED]



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--
Pete


Re: [jira] Updated: (TUSCANY-585) Initial support for callbacks

2006-08-11 Thread Ignacio Silva-Lepe
Using a CompositeReference SCAObject to handle case 3) sounds reasonable to 
me.


At the risk of complicating matters, what about services? For symmetry we 
should also consider a couple more scenarios
4) Service with remote Binding-Component - the wire lies within the 
composite and comes from the remote binding; this case seems to be well 
covered as well
5) Service wired by the Composite-Component - there is an external wire to 
the CompositeComponent from a sibling Component or Service, and a local wire 
between the Service and the Component


To account for case 5), a case could also be made for a CompositeService 
SCAObject that could work in conjunction with its containing 
CompositeComponent to pass wires around.
- Original Message - 
From: Jeremy Boynes [EMAIL PROTECTED]

To: tuscany-dev@ws.apache.org
Sent: Friday, August 11, 2006 2:58 PM
Subject: Re: [jira] Updated: (TUSCANY-585) Initial support for callbacks


I have a feeling there may be some confusion here with terminology -  heck, 
I know I'm confused :-)


I think there are several scenarios here and would like to make sure  they 
are all being covered.
1) Component-Component - this must lie within a Composite and may  have 
local or remote semantics
2) Component-Reference with remote Binding - the wire lies within a 
Composite and disappears into the remote binding
3) Component-Reference wired by the Composite - there is a local  wire 
between the Component and the Reference and an external wire  from the 
CompositeComponent to a sibling Component or Reference (aka  the uncle)


I believe cases 1) and 2) are well covered. A target SCAObject is  created 
with an inbound wire which is then connected to an outbound  wire from the 
source. The resulting connection may be optimized away,  or may have 
policy or other interceptors applied.


I am confused about how case 3) is being handled, specifically how  the 
connection is being made between the Reference and the 
CompositeComponent.


I think there is a good case to me made for having an SCAObject to 
represent the Reference - for example, you may want to manage the 
reference in some way. Having it there does not mean that it needs to  be 
part of the invocation path. For example, during connection the  wire 
could be optimized in a way that allowed the uncle to be  directly 
injected into the source.


Perhaps JavaReference is confusing here - how about we call it a 
CompositeReference, as in a Reference whose wiring is handled by  the 
composite component that contains it. This would work in  conjunction 
with a CompositeComponent to pass wires around - for  example, 
CompositeComponent.addOutboundWire could just delegate down  to the 
appropriate CompositeReference (selected by name).


--
Jeremy

On Aug 11, 2006, at 6:46 AM, Ignacio Silva-Lepe wrote:

Hmm, ok, first off a bit of clarification on the terminology. When  I say 
local callback (or plain invocation) via a reference, I was  thinking 
about the case of a component in a composite talking to a  component in 
another composite via their respective composite  reference and service, 
where both composites are contained in a  third (larger) composite, all 
in the same process or machine.  Perhaps this is not a valid or 
considered use case but it seems to  be different from a wire between two 
components, and from a wire  whose target is a reference that has a 
remote binding, e.g., ws.
Wires between components are already taken care of. A wire to a 
reference with a remote binding needs to involve the Reference (or 
Service) defined by the appropriate binding, e.g., Axis2Reference  (or 
Axis2Service). But before we get there I thought we were trying  to take 
care of the 'local via a reference' case as above. If this  is something 
we intend to do I am open to the idea of not requiring  a JavaReference 
or a JavaService. However, two things come to mind:
(1) A Reference on a composite in this case may represent an  external 
service but not a remote one, i.e., a service external to  the composite 
but local wrt the process or machine. If this is a  valid scenario, then 
one question is what is the binding to be used  by this reference? Can it 
be plugged in depending on deployment  scenario? If such scenario is as 
above then binding.ws or some such  may not be appropriate, what's the 
alternative, binding.sca or even  something like binding.java?
(2) If what we are doing is connecting two composites in the same 
machine via their respective Reference and Service as above, then  the 
target invoker for the Reference of the source composite needs  to behave 
like the target invoker for an atomic component with the  difference that 
no user-defined logic is invoked, only the proxy  for the Reference's 
outbound wire. Perhaps this is what you meant  by optimizing away a 
JavaReference and only using a proxy. But the  optimization seems to be 
dependent on the Reference's binding,  i.e., whether it is a remote 
binding 

Re: New woodstox release

2006-08-11 Thread Jeremy Boynes

On Aug 11, 2006, at 12:07 PM, Davanum Srinivas wrote:


3.0.0 works only on 1.5 and above :(

http://mail-archives.apache.org/mod_mbox/ws-commons-dev/200608.mbox/ 
[EMAIL PROTECTED]


So does Tuscany :-)
--
Jeremy

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Re: New woodstox release

2006-08-11 Thread Davanum Srinivas

You got me :)

-- dims

On 8/11/06, Jeremy Boynes [EMAIL PROTECTED] wrote:

On Aug 11, 2006, at 12:07 PM, Davanum Srinivas wrote:

 3.0.0 works only on 1.5 and above :(

 http://mail-archives.apache.org/mod_mbox/ws-commons-dev/200608.mbox/
 [EMAIL PROTECTED]

So does Tuscany :-)
--
Jeremy

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--
Davanum Srinivas : http://www.wso2.net (Oxygen for Web Service Developers)

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Re: New woodstox release

2006-08-11 Thread Yang ZHONG

Java SDO hasn't depended on 1.5 yet, how about Java SDO also takes advantage
of 1.5 to improve code readability (and reduce type error)?

On 8/11/06, Jeremy Boynes [EMAIL PROTECTED] wrote:


On Aug 11, 2006, at 12:07 PM, Davanum Srinivas wrote:

 3.0.0 works only on 1.5 and above :(

 http://mail-archives.apache.org/mod_mbox/ws-commons-dev/200608.mbox/
 [EMAIL PROTECTED]

So does Tuscany :-)
--
Jeremy

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--

Yang ZHONG


Re: New woodstox release

2006-08-11 Thread Raymond Feng

Hi,

If I remember correctly, JDK1.4 compatibility is a requirement by the SDO 
for java spec 2.0.1. But for the tuscany extensions, for example, StAX 
support, the bar can be lifted if we have these features in an optional 
package.


Raymond

- Original Message - 
From: Yang ZHONG [EMAIL PROTECTED]

To: tuscany-dev@ws.apache.org
Sent: Friday, August 11, 2006 1:15 PM
Subject: Re: New woodstox release


Java SDO hasn't depended on 1.5 yet, how about Java SDO also takes 
advantage

of 1.5 to improve code readability (and reduce type error)?

On 8/11/06, Jeremy Boynes [EMAIL PROTECTED] wrote:


On Aug 11, 2006, at 12:07 PM, Davanum Srinivas wrote:

 3.0.0 works only on 1.5 and above :(

 http://mail-archives.apache.org/mod_mbox/ws-commons-dev/200608.mbox/
 [EMAIL PROTECTED]

So does Tuscany :-)
--
Jeremy

-
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For additional commands, e-mail: [EMAIL PROTECTED]





--

Yang ZHONG




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Re: New woodstox release

2006-08-11 Thread Yang ZHONG

I don't see 1.4 requirement in Java SDO spec 2.01, the version I'm using is
November 2005.

On 8/11/06, Raymond Feng [EMAIL PROTECTED] wrote:


Hi,

If I remember correctly, JDK1.4 compatibility is a requirement by the SDO
for java spec 2.0.1. But for the tuscany extensions, for example, StAX
support, the bar can be lifted if we have these features in an optional
package.

Raymond

- Original Message -
From: Yang ZHONG [EMAIL PROTECTED]
To: tuscany-dev@ws.apache.org
Sent: Friday, August 11, 2006 1:15 PM
Subject: Re: New woodstox release


 Java SDO hasn't depended on 1.5 yet, how about Java SDO also takes
 advantage
 of 1.5 to improve code readability (and reduce type error)?

 On 8/11/06, Jeremy Boynes [EMAIL PROTECTED] wrote:

 On Aug 11, 2006, at 12:07 PM, Davanum Srinivas wrote:

  3.0.0 works only on 1.5 and above :(
 
  http://mail-archives.apache.org/mod_mbox/ws-commons-dev/200608.mbox/
  [EMAIL PROTECTED]

 So does Tuscany :-)
 --
 Jeremy

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 For additional commands, e-mail: [EMAIL PROTECTED]




 --

 Yang ZHONG



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--

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Re: [jira] Updated: (TUSCANY-611) RMI Binding

2006-08-11 Thread Jim Marino


On Aug 10, 2006, at 10:53 PM, Venkata Krishnan wrote:


Thanks Ant and Jim.

Ant, I shall certainly work on the formatting and a couple of other  
issues

and posted an updated patch asap.

Jim, you point was something that I did vacillate about.  I was  
wondering if
the registry should be started by the binding or should it be done  
offline.


My inclination is to start the registry in a system service. One way  
to do this is to create a system POJO implementing something like  
RMIHost with an @Init method and set to eager init and you can also  
have a destroy method to do any shutdown. I'd then have the builder  
take an autowire to the system service which would pass it to the  
service. When Service.stop() is called, the service would perform an  
unbind by using RMIHost.unbind() or something similar.


My imagination of the Registry is that it is lightweight and it  
should be ok
to host several instances of it on a host, ofcourse each on a  
different
port. Hence we might actually allow the assemblies to mention which  
port

number is preferred to host the RMI Service.
I think this could be accomplished with one system service. The  
RMIHost API could have overloaded versions of register(), one that  
takes an explicit port and one that uses a default. If an explicit  
port is passed, the RMIHost would look for a cached Registry,  
creating one if needed.



If a registry for the port
already exists then we simply use that otherwise start one.  So if is
possible that a registry on a port will host more than one service.

It is also a good idea that we clearly have one registry per host and
implement it the way you have mentioned out here.  I am open to do  
this as

well.  Let me know your final thoughts on this.

One other thing is I think it is important for the business interface  
of the Reference (and probably the Service) not to have to extend  
Remote since the binding could be changed (I think you may have  
brought this up before). In this case, the binding should perform a  
mediation during the invoke.  What do you think?

Jerermy and others what are your thoughts on this?

Thanks

- Venkat



On 8/11/06, Jim Marino [EMAIL PROTECTED] wrote:


Thanks Venkat. Just a quick question: do you think it is best to have
one Registry per service or could we have one Registry per runtime
instance and have services register with that? If you think the
latter may be something that works better, one thing that could be
done is to create a separate system component that instantiates the
registry. This system component would be like ServletHost (RMIHost?)
and could be autowired to the builder which could then pass it to the
service implementation which would in turn perform the bind  
operation.


Jim


On Aug 10, 2006, at 12:30 PM, ant elder wrote:

 Hi Venkat, I've committed this patch now. Had some problems getting
 the
 patch to apply cleanly so  had to fiddle about a bit, could you
 check it
 looks ok to you? The code needs formatting so maybe you could  
send in

 another patch doing that? I've also not added the service and
 reference
 samples to the main samples pom.xml yet. As you've pointed out the
 testcases
 for them only work in eclipse so we'll need to figure out what to
 do about
 that.

 Looks great, really good to have a real binding working at last.

   ...ant

 On 8/10/06, Venkatakrishnan (JIRA)  tuscany-dev@ws.apache.org  
wrote:


  [ http://issues.apache.org/jira/browse/TUSCANY-611?page=all ]

 Venkatakrishnan updated TUSCANY-611:
 

 Attachment: Tuscany-RMI-Binding-Aug-10-Updated.diff

 Hi... there is one addition that has been missed out in the prev.
 patch.  My sincere apologies for that goof-up here is the  
updated

 patch.  Thanks.

  RMI Binding
  ---
 
  Key: TUSCANY-611
  URL: http://issues.apache.org/jira/browse/
 TUSCANY-611
  Project: Tuscany
   Issue Type: Bug
 Reporter: Venkatakrishnan
  Assigned To: ant elder
  Attachments: Tuscany-RMI-Binding-Aug-10-Updated.diff ,
 Tuscany-RMI-Binding-Aug-10.diff,
 Tuscany-RMI-Binding-Reference-Sample-Aug-10.diff ,
 Tuscany-RMI-Binding-Service-Sample-Aug-10.diff
 
 
  SCA RMI Binding with samples for SCA Reference and SCA Service
 using RMI
 Binding.
  Here is a first cut implementation for this.  Could somebody  
please

 review and apply?  Also I have had the following issues un-
 resolved: -
  - The samples can be tested thro the Testcases in them.  These
 testcases
 work from eclipse as long as I have added the RMI-Binding Eclipse
 project to
 the classpath.  Otherwise the binding does get picked up.  The
 same is the
 issue when trying to execute the testcases from maven.  Could
 somebody
 please help in fixing this?  Thanks.
  Note :-
  
  I shall be working further with this binding to address the
 following :
 -
  - there is single attribute called 'uri' for the binding.  I
 

Re: [jira] Updated: (TUSCANY-611) RMI Binding

2006-08-11 Thread Jeremy Boynes

On Aug 11, 2006, at 1:49 PM, Jim Marino wrote:

On Aug 10, 2006, at 10:53 PM, Venkata Krishnan wrote:


My imagination of the Registry is that it is lightweight and it  
should be ok
to host several instances of it on a host, ofcourse each on a  
different
port. Hence we might actually allow the assemblies to mention  
which port

number is preferred to host the RMI Service.
I think this could be accomplished with one system service. The  
RMIHost API could have overloaded versions of register(), one that  
takes an explicit port and one that uses a default. If an explicit  
port is passed, the RMIHost would look for a cached Registry,  
creating one if needed.


I think one component per registry would be easier to manage.

Each registry would register with the RMIHost by socket address;  
service instances would register with the RMIHost which would  
delegate to the appropriate registry based on the endpoint address.


Specifying just port number in the assembly is not enough - you need  
to be able to specify host/port combinations.


--
Jeremy

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Re: [jira] Updated: (TUSCANY-585) Initial support for callbacks

2006-08-11 Thread Jim Marino


On Aug 11, 2006, at 11:58 AM, Jeremy Boynes wrote:

I have a feeling there may be some confusion here with terminology  
- heck, I know I'm confused :-)


Yes, I think it is a terminology thing. I was thinking of the three  
scenarios below and local only being a case of #1.
I think there are several scenarios here and would like to make  
sure they are all being covered.
1) Component-Component - this must lie within a Composite and may  
have local or remote semantics
2) Component-Reference with remote Binding - the wire lies within  
a Composite and disappears into the remote binding
3) Component-Reference wired by the Composite - there is a local  
wire between the Component and the Reference and an external wire  
from the CompositeComponent to a sibling Component or Reference  
(aka the uncle)


I believe cases 1) and 2) are well covered. A target SCAObject is  
created with an inbound wire which is then connected to an outbound  
wire from the source. The resulting connection may be optimized  
away, or may have policy or other interceptors applied.



Yes but #2 still need to be done.

I am confused about how case 3) is being handled, specifically how  
the connection is being made between the Reference and the  
CompositeComponent.


I think there is a good case to me made for having an SCAObject to  
represent the Reference - for example, you may want to manage the  
reference in some way. Having it there does not mean that it needs  
to be part of the invocation path. For example, during connection  
the wire could be optimized in a way that allowed the uncle to be  
directly injected into the source.


Perhaps JavaReference is confusing here - how about we call it a  
CompositeReference, as in a Reference whose wiring is handled by  
the composite component that contains it. This would work in  
conjunction with a CompositeComponent to pass wires around - for  
example, CompositeComponent.addOutboundWire could just delegate  
down to the appropriate CompositeReference (selected by name).


Yes having the special type of reference makes sense because this is  
a type of binding.  The target invoker in this case could actually be  
an interceptor which flowed the invocation to the head interceptor of  
the uncle. If this is the case, we may need to have the Connector  
handle this case of finding the target in the outer grandparent  
composite (if that makes sense).

--
Jeremy

On Aug 11, 2006, at 6:46 AM, Ignacio Silva-Lepe wrote:

Hmm, ok, first off a bit of clarification on the terminology. When  
I say local callback (or plain invocation) via a reference, I was  
thinking about the case of a component in a composite talking to a  
component in another composite via their respective composite  
reference and service, where both composites are contained in a  
third (larger) composite, all in the same process or machine.  
Perhaps this is not a valid or considered use case but it seems to  
be different from a wire between two components, and from a wire  
whose target is a reference that has a remote binding, e.g., ws.
Wires between components are already taken care of. A wire to a  
reference with a remote binding needs to involve the Reference (or  
Service) defined by the appropriate binding, e.g., Axis2Reference  
(or Axis2Service). But before we get there I thought we were  
trying to take care of the 'local via a reference' case as above.  
If this is something we intend to do I am open to the idea of not  
requiring a JavaReference or a JavaService. However, two things  
come to mind:
(1) A Reference on a composite in this case may represent an  
external service but not a remote one, i.e., a service external to  
the composite but local wrt the process or machine. If this is a  
valid scenario, then one question is what is the binding to be  
used by this reference? Can it be plugged in depending on  
deployment scenario? If such scenario is as above then binding.ws  
or some such may not be appropriate, what's the alternative,  
binding.sca or even something like binding.java?
(2) If what we are doing is connecting two composites in the same  
machine via their respective Reference and Service as above, then  
the target invoker for the Reference of the source composite needs  
to behave like the target invoker for an atomic component with the  
difference that no user-defined logic is invoked, only the proxy  
for the Reference's outbound wire. Perhaps this is what you meant  
by optimizing away a JavaReference and only using a proxy. But the  
optimization seems to be dependent on the Reference's binding,  
i.e., whether it is a remote binding (e.g., ws) or not (as above).

Hopefully things are not getting more confused.

Thanks
- Original Message - From: Jim Marino  
[EMAIL PROTECTED]

To: tuscany-dev@ws.apache.org
Sent: Thursday, August 10, 2006 10:42 PM
Subject: Re: [jira] Updated: (TUSCANY-585) Initial support for  
callbacks





On Aug 10, 2006, at 8:37 AM, Ignacio 

Re: [jira] Updated: (TUSCANY-585) Initial support for callbacks

2006-08-11 Thread Jeremy Boynes

On Aug 11, 2006, at 12:37 PM, Ignacio Silva-Lepe wrote:


At the risk of complicating matters, what about services? For  
symmetry we should also consider a couple more scenarios
1) Component-Component - this must lie within a Composite and may   
have local or remote semantics
2) Component-Reference with remote Binding - the wire lies within  
a Composite and disappears into the remote binding
3) Component-Reference wired by the Composite - there is a local   
wire between the Component and the Reference and an external wire   
from the CompositeComponent to a sibling Component or Reference  
(aka  the uncle)
4) Service with remote Binding-Component - the wire lies within  
the composite and comes from the remote binding; this case seems to  
be well covered as well
5) Service wired by the Composite-Component - there is an external  
wire to the CompositeComponent from a sibling Component or Service,  
and a local wire between the Service and the Component



and
6) Composite(Component-Reference)-Composite(Service-Component) - a  
combination of 3) and 5) which may provide opportunities for wire  
optimization


To account for case 5), a case could also be made for a  
CompositeService SCAObject that could work in conjunction with its  
containing CompositeComponent to pass wires around.


Agreed - I was thinking that would be symmetrical but decided to  
stick with just references :-)


--
Jeremy

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What happens if no binding is defined for services/references in a composite?

2006-08-11 Thread Raymond Feng

Hi,

I ran into an issue for services/references for a composite. Here is the 
SCDL file:


composite xmlns=http://www.osoa.org/xmlns/sca/1.0; 
xmlns:db=http://tuscany.apache.org/xmlns/databinding/1.0;

name=org.apache.tuscany.databinding.sample
service name=ClientService
interface.java class=org.apache.tuscany.databinding.sample.Client /
referenceClient/reference
db:databinding name=sdo/
/service
component name=Client
implementation.java 
class=org.apache.tuscany.databinding.sample.ClientImpl /

reference name=echoReferenceEchoReference/reference
db:databinding name=jaxb/
/component
reference name=EchoReference
interface.java interface=org.apache.tuscany.databinding.sample.Echo /
/reference
/composite

Please note there is no binding defined for the service and reference. Per 
SCA spec, this is valid. Now we have two cases:


1) The bindings are to be added when the composite is assembled with other 
composites
2) Is it possible to support local invocation for reference/service without 
binding (assuming in the same address space)?


The current CompositeBuilder implementation only adds the bound services and 
references to the context. As a result, I get the following exception:


org.apache.tuscany.spi.builder.BuilderConfigException: Target not found for 
reference echoReference [EchoReference]

Context stack trace: [application][Client]
at 
org.apache.tuscany.core.builder.ConnectorImpl.connect(ConnectorImpl.java)
at 
org.apache.tuscany.core.builder.ConnectorImpl.connect(ConnectorImpl.java:53)
at 
org.apache.tuscany.core.builder.ConnectorImpl.connect(ConnectorImpl.java:75)
at 
org.apache.tuscany.core.deployer.DeployerImpl.connect(DeployerImpl.java:134)
at 
org.apache.tuscany.core.deployer.DeployerImpl.deploy(DeployerImpl.java:96)
at 
org.apache.tuscany.core.launcher.Launcher.bootApplication(Launcher.java:171)

at org.apache.tuscany.test.SCATestCase.setUp(SCATestCase.java:63)
at 
org.apache.tuscany.databinding.sample.BootstrapTestCase.setUp(BootstrapTestCase.java:39)

at junit.framework.TestCase.runBare(TestCase.java:125)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at 
org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
at 
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)


Is it the correct behavior?

Thanks,
Raymond


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[jira] Commented: (TUSCANY-615) The SCDL syntax for reference doesn't conform to SCA spec 0.95

2006-08-11 Thread Jeremy Boynes (JIRA)
[ 
http://issues.apache.org/jira/browse/TUSCANY-615?page=comments#action_12427625 
] 

Jeremy Boynes commented on TUSCANY-615:
---

There seem to be quite a few changes in this patch unrelated to the problem 
described above.

Please can you submit these separately.

 The SCDL syntax for reference doesn't conform to SCA spec 0.95
 --

 Key: TUSCANY-615
 URL: http://issues.apache.org/jira/browse/TUSCANY-615
 Project: Tuscany
  Issue Type: Bug
  Components: Java SCA Core
Reporter: Raymond Feng
 Assigned To: Raymond Feng
Priority: Critical
 Attachments: rfeng-scdl.txt


 With Rick check-in of r430621, I'm seeing the EchoBinding test case is 
 failing with the 
 following exception:
 org.apache.tuscany.spi.loader.InvalidReferenceException: No target for 
 service  [ClientService]
  at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java)
  at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java:1)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:75)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:50)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:107)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.loadFromSidefile(CompositeComponentTypeLoader.java:46)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:38)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:20)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.loadComponentType(LoaderRegistryImpl.java:157)
  at 
 org.apache.tuscany.core.deployer.DeployerImpl.load(DeployerImpl.java:111)
  at 
 org.apache.tuscany.core.deployer.DeployerImpl.deploy(DeployerImpl.java:90)
  at 
 org.apache.tuscany.core.launcher.Launcher.bootApplication(Launcher.java:171)
  at org.apache.tuscany.test.SCATestCase.setUp(SCATestCase.java:63)
  at echo.BootstrapTestCase.setUp(BootstrapTestCase.java:23)
  at junit.framework.TestCase.runBare(TestCase.java:125)
  at junit.framework.TestResult$1.protect(TestResult.java:106)
  at junit.framework.TestResult.runProtected(TestResult.java:124)
  at junit.framework.TestResult.run(TestResult.java:109)
  at junit.framework.TestCase.run(TestCase.java:118)
  at 
 org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
  at 
 org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
 I adjusted the scdl file per SCA 0.95 spec:
 composite xmlns=http://www.osoa.org/xmlns/sca/1.0; name=echo.sample
 service name=ClientService
 interface.java class=echo.Client/
 binding.echo/
 referenceClient/reference
 /service
 component name=Client
 implementation.java class=echo.ClientImpl/
 reference name=echoReferenceEchoReference/reference
 /component
 reference name=EchoReference
 interface.java interface=echo.Echo/
 binding.echo/
 /reference
 /composite
 Now the ServiceLoader.java is problematic because it assumes it'll get 
 reference before the binding which is not case per SCA 0.95 spec:
 service name=xs:NCName multiplicity=0..1 or 1..1 or 0..n or 1..n?*
 interface/
 binding uri=xs:anyURI?/*
 referencewire-target-URI/reference+
 /service
 component name=xs:NCName*
 implementation/
 property name=xs:NCName source=sca:Property?*
 property-value
 /property
 reference name=xs:NCName/*
 wire-target-URI
 /reference
 /component
 The ComponentLoader.java cannot handle the reference element either since 
 the SCA spec 0.95 also use the element content instead of target 
 attribute.
 I attached a patch to fix the problem.

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Re: [jira] Commented: (TUSCANY-610) Initial OSGi support effort

2006-08-11 Thread Jim Marino
Thanks a lot Joel. I'm kind of out just checking email once and a  
while until Monday so when I get back I'll commit the patch and we  
can talk some more.


Jim


On Aug 10, 2006, at 1:06 PM, Joel Hawkins (JIRA) wrote:

[ http://issues.apache.org/jira/browse/TUSCANY-610? 
page=comments#action_12427336 ]


Joel Hawkins commented on TUSCANY-610:
--

Hi Thomas.

I'm trying to write up some documentation now. In short, however,  
the code breaks down into 2 parts:


1. The OSGi hosting of the SCA core. This is a bundle that  
bootstraps SCA instances for bundles that have SCA components (scdl  
files). The host makes a distinction between system extension and  
applications. For example, the OSGi binding code that supports  
interacting with the OSGi service framework is packaged as a system  
extension. The samples are packaged as applications.  To me, these  
application instances feel like web apps.


2. The OSGi Services system extension, which in turn has two major  
parts:
   a. An OSGi Service binding, which allows SCA components to be  
exposed as OSGi services.  This is pretty straightforward. The only  
tricky bit (assuming away the intricacies of SCA's wiring) is  
dealing with the need for a ServiceFactory during service  
registration. This is added to the target class using a dynamic  
proxy if required.
   b. An OSGi implementation, which wraps OSGi services as SCA  
components, allowing them to be wire in seamlessly  (once I'm  
done :-) )into SCA applications.  This binding allows the  
specification of a filter for aquiring an appropriate service  
reference, and acts as a service listener to clean up stale  
references. The code currently attempts to rebind the service if  
the service has changed (using the same reference) or gone away  
(using a different reference). Not sure if this is desirable in all  
cases, but it gives good demo. :-)


Please remember this is an 'initial' implementation! There's enough  
code to get my simple scenarios working - but I'm sure there's  
plenty left to do. Also, the recent work that's been checked in to  
have some of the wiring handled by the wire service probably means  
some of this code can go away.


Some of the things I like about the combination of SCA and OSGi is  
that OSGi services provide a really simple and efficient way to  
communicate between SCA applications running in a single OSGi  
instance, and OSGi's bundle isolation characteristics make dealing  
with multiple application deployments much more deterministic.  
From my perspective (having a toe dipped in both worlds), SCA and  
OSGi look really complementary.


I'll also try and package the rest of my eclipse environment so  
that you can get this running. It's mostly bundle-izing the  
required Tuscany jars.










Initial OSGi support effort
---

Key: TUSCANY-610
URL: http://issues.apache.org/jira/browse/TUSCANY-610
Project: Tuscany
 Issue Type: New Feature
Environment: Equinox implementation of OSGi
   Reporter: Joel Hawkins
Attachments: ClassloaderHook.java, OSGI-SCA.zip


An initial implementation of an OSGi binding for exposing SCA  
services as OSGi services.
An initial implementation of an OSGi implementation for reusing  
OSGi services as SCA atomic components
An OSGi-aware bootstrap environment (which can probably be reduced  
a bit)

A repackaging of some of the SupplyChain example
There's one class derived from an  EPL-copyrighted class - I left  
the EPL copyright intact.
The zip contains the samples, the OSGi binding, and a patch for  
the core. Most of the patch is the OSGi launcher code. I don't  
think it belongs in the core, but that's where I had it while  
developing. The only other bit in the patch is a change of two of  
the Defaultbootstrapper's fields from private to protected.
Also, some of the OSGi packaging for existing jars (spi, commands,  
etc) aren't part of the zip. Not sure how you want to deal with  
the repackaging issue.


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Re: [jira] Updated: (TUSCANY-585) Initial support for callbacks

2006-08-11 Thread Jim Marino


On Aug 11, 2006, at 1:59 PM, Jeremy Boynes wrote:


On Aug 11, 2006, at 12:37 PM, Ignacio Silva-Lepe wrote:


At the risk of complicating matters, what about services? For  
symmetry we should also consider a couple more scenarios
1) Component-Component - this must lie within a Composite and  
may  have local or remote semantics
2) Component-Reference with remote Binding - the wire lies within  
a Composite and disappears into the remote binding
3) Component-Reference wired by the Composite - there is a local   
wire between the Component and the Reference and an external wire   
from the CompositeComponent to a sibling Component or Reference  
(aka  the uncle)
4) Service with remote Binding-Component - the wire lies within  
the composite and comes from the remote binding; this case seems  
to be well covered as well
5) Service wired by the Composite-Component - there is an  
external wire to the CompositeComponent from a sibling Component  
or Service, and a local wire between the Service and the Component



and
6) Composite(Component-Reference)-Composite(Service-Component) -  
a combination of 3) and 5) which may provide opportunities for wire  
optimization


To account for case 5), a case could also be made for a  
CompositeService SCAObject that could work in conjunction with its  
containing CompositeComponent to pass wires around.


Agreed - I was thinking that would be symmetrical but decided to  
stick with just references :-)



Yes and we also need to deal with cycle detection at some point too :-(


--
Jeremy

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Re: [jira] Updated: (TUSCANY-611) RMI Binding

2006-08-11 Thread Jim Marino


On Aug 11, 2006, at 1:59 PM, Jeremy Boynes wrote:


On Aug 11, 2006, at 1:49 PM, Jim Marino wrote:

On Aug 10, 2006, at 10:53 PM, Venkata Krishnan wrote:


My imagination of the Registry is that it is lightweight and it  
should be ok
to host several instances of it on a host, ofcourse each on a  
different
port. Hence we might actually allow the assemblies to mention  
which port

number is preferred to host the RMI Service.
I think this could be accomplished with one system service. The  
RMIHost API could have overloaded versions of register(), one that  
takes an explicit port and one that uses a default. If an explicit  
port is passed, the RMIHost would look for a cached Registry,  
creating one if needed.


I think one component per registry would be easier to manage.

Each registry would register with the RMIHost by socket address;  
service instances would register with the RMIHost which would  
delegate to the appropriate registry based on the endpoint address.


Specifying just port number in the assembly is not enough - you  
need to be able to specify host/port combinations.


Forgot about the host. If we want to have one component per registry,  
what happens when two services register at the same host/port  
combination?



--
Jeremy

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Re: [jira] Updated: (TUSCANY-611) RMI Binding

2006-08-11 Thread Jeremy Boynes

On Aug 11, 2006, at 2:25 PM, Jim Marino wrote:



On Aug 11, 2006, at 1:59 PM, Jeremy Boynes wrote:


On Aug 11, 2006, at 1:49 PM, Jim Marino wrote:

On Aug 10, 2006, at 10:53 PM, Venkata Krishnan wrote:


My imagination of the Registry is that it is lightweight and it  
should be ok
to host several instances of it on a host, ofcourse each on a  
different
port. Hence we might actually allow the assemblies to mention  
which port

number is preferred to host the RMI Service.
I think this could be accomplished with one system service. The  
RMIHost API could have overloaded versions of register(), one  
that takes an explicit port and one that uses a default. If an  
explicit port is passed, the RMIHost would look for a cached  
Registry, creating one if needed.


I think one component per registry would be easier to manage.

Each registry would register with the RMIHost by socket address;  
service instances would register with the RMIHost which would  
delegate to the appropriate registry based on the endpoint address.


Specifying just port number in the assembly is not enough - you  
need to be able to specify host/port combinations.


Forgot about the host. If we want to have one component per  
registry, what happens when two services register at the same host/ 
port combination?


If two registries register, the second should fail (as it won't be  
able to get the socket anyway).


Services will have a uri whose path will distinguish them.

--
Jeremy


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[jira] Updated: (TUSCANY-615) The SCDL syntax for reference doesn't conform to SCA spec 0.95

2006-08-11 Thread Raymond Feng (JIRA)
 [ http://issues.apache.org/jira/browse/TUSCANY-615?page=all ]

Raymond Feng updated TUSCANY-615:
-

Attachment: rfeng-scdl-fixed-1.txt

For some reason, the 2nd patch failed to be applied. Here's 3rd one and 
hopefully it works.

 The SCDL syntax for reference doesn't conform to SCA spec 0.95
 --

 Key: TUSCANY-615
 URL: http://issues.apache.org/jira/browse/TUSCANY-615
 Project: Tuscany
  Issue Type: Bug
  Components: Java SCA Core
Reporter: Raymond Feng
 Assigned To: Raymond Feng
Priority: Critical
 Attachments: rfeng-scdl-fixed-1.txt, rfeng-scdl-fixed.txt, 
 rfeng-scdl.txt


 With Rick check-in of r430621, I'm seeing the EchoBinding test case is 
 failing with the 
 following exception:
 org.apache.tuscany.spi.loader.InvalidReferenceException: No target for 
 service  [ClientService]
  at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java)
  at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java:1)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:75)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:50)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:107)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.loadFromSidefile(CompositeComponentTypeLoader.java:46)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:38)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:20)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.loadComponentType(LoaderRegistryImpl.java:157)
  at 
 org.apache.tuscany.core.deployer.DeployerImpl.load(DeployerImpl.java:111)
  at 
 org.apache.tuscany.core.deployer.DeployerImpl.deploy(DeployerImpl.java:90)
  at 
 org.apache.tuscany.core.launcher.Launcher.bootApplication(Launcher.java:171)
  at org.apache.tuscany.test.SCATestCase.setUp(SCATestCase.java:63)
  at echo.BootstrapTestCase.setUp(BootstrapTestCase.java:23)
  at junit.framework.TestCase.runBare(TestCase.java:125)
  at junit.framework.TestResult$1.protect(TestResult.java:106)
  at junit.framework.TestResult.runProtected(TestResult.java:124)
  at junit.framework.TestResult.run(TestResult.java:109)
  at junit.framework.TestCase.run(TestCase.java:118)
  at 
 org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
  at 
 org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
 I adjusted the scdl file per SCA 0.95 spec:
 composite xmlns=http://www.osoa.org/xmlns/sca/1.0; name=echo.sample
 service name=ClientService
 interface.java class=echo.Client/
 binding.echo/
 referenceClient/reference
 /service
 component name=Client
 implementation.java class=echo.ClientImpl/
 reference name=echoReferenceEchoReference/reference
 /component
 reference name=EchoReference
 interface.java interface=echo.Echo/
 binding.echo/
 /reference
 /composite
 Now the ServiceLoader.java is problematic because it assumes it'll get 
 reference before the binding which is not case per SCA 0.95 spec:
 service name=xs:NCName multiplicity=0..1 or 1..1 or 0..n or 1..n?*
 interface/
 binding uri=xs:anyURI?/*
 referencewire-target-URI/reference+
 /service
 component name=xs:NCName*
 implementation/
 property name=xs:NCName source=sca:Property?*
 property-value
 /property
 reference name=xs:NCName/*
 wire-target-URI
 /reference
 /component
 The ComponentLoader.java cannot handle the reference element either since 
 the SCA spec 0.95 also use the element content instead of target 
 attribute.
 I attached a patch to fix the problem.

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Re: New woodstox release

2006-08-11 Thread Fuhwei Lwo
The upcoming SDO 2.1 specification will state the minimum JDK level for  SDO 
2.1 is JDK 1.4.  This requirement has been clarified and  agreed by all the 
participants in the SDO Spec working group.
  
  For SDO 3.0, although it's not decided yet, Java 5 may become the minimum 
level.
  
  Regards,
  
  Fuhwei Lwo

Yang ZHONG [EMAIL PROTECTED] wrote:  I don't see 1.4 requirement in Java SDO 
spec 2.01, the version I'm using is
November 2005.

On 8/11/06, Raymond Feng  wrote:

 Hi,

 If I remember correctly, JDK1.4 compatibility is a requirement by the SDO
 for java spec 2.0.1. But for the tuscany extensions, for example, StAX
 support, the bar can be lifted if we have these features in an optional
 package.

 Raymond

 - Original Message -
 From: Yang ZHONG 
 To: 
 Sent: Friday, August 11, 2006 1:15 PM
 Subject: Re: New woodstox release


  Java SDO hasn't depended on 1.5 yet, how about Java SDO also takes
  advantage
  of 1.5 to improve code readability (and reduce type error)?
 
  On 8/11/06, Jeremy Boynes  wrote:
 
  On Aug 11, 2006, at 12:07 PM, Davanum Srinivas wrote:
 
   3.0.0 works only on 1.5 and above :(
  
   http://mail-archives.apache.org/mod_mbox/ws-commons-dev/200608.mbox/
   [EMAIL PROTECTED]
 
  So does Tuscany :-)
  --
  Jeremy
 
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  --
 
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svn properties

2006-08-11 Thread Jeremy Boynes

rant
I've just wasted an hour or so working with Raymond trying to figure  
out why a patch he supplied would not apply. I am writing this in a  
suitably frustrated mood ...


It appears that there are many many files in our svn tree that do not  
have the correct properties set.


Some files are missing the svn:eol-style=native setting which means  
files are being checked in with inconsistent line endings.  
Specifically, there are a lot of files with DOS \r\n endings which  
don't work so well for those of us not using Windows.


There are also quite a few with svn:keywords set to Rev,Date as  
opposed to the correct value Rev Date meaning the date/version info  
is not being updated.


I would ask everyone to double, triple check their SVN settings to  
make sure that they have the appropriate auto-properties configured.


I am going to waste yet more time fixing the java/samples and java/ 
sca trees so we don't waste even more time in the future

Can someone please spend the time to fix the java/sdo tree
/rant

--
Jeremy

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[C++] Design of SCA and SDO public API classes

2006-08-11 Thread Jean-Sebastien Delfino
I noticed two different patterns in the definition of the public SCA and 
SDO API classes.


SCA:
A delegation pattern where the public API class delegates calls to an 
implementation class.
For example ComponentContext contains a private pointer to 
ComponentContextImpl. ComponentContextImpl implements the methods from 
ComponentContext but does not extend ComponentContext.


SDO:
Inheritance, where the implementation class extends the public API class.
For example DataFactoryImpl extends DataFactory.

Is there any particular reason for the two different patterns? Any 
advantages or issues with one compared the other?


A related question. What do you think about reorganizing the folder 
structure a little to clearly separate the spec includes from the 
implementation specific ones?


--
Jean-Sebastien


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[jira] Commented: (TUSCANY-494) Specification of implementation library in scdl is not platform neutral

2006-08-11 Thread Jean-Sebastien Delfino (JIRA)
[ 
http://issues.apache.org/jira/browse/TUSCANY-494?page=comments#action_12427637 
] 

Jean-Sebastien Delfino commented on TUSCANY-494:


This is now implemented, except for the optional path attribute, which is still 
ignored.

 Specification of implementation library in scdl is not platform neutral
 ---

 Key: TUSCANY-494
 URL: http://issues.apache.org/jira/browse/TUSCANY-494
 Project: Tuscany
  Issue Type: Improvement
  Components: Specification, C++ SCA
Affects Versions: Cpp-current
Reporter: Pete Robbins
 Assigned To: Pete Robbins

 Specification of a component implementation for C++ requires e.g.
  implementation.cpp dll=libMyValue.so 
 header=MyValueImpl.h/implementation.cpp
 for linux and
  implementation.cpp dll=MyValue.dll 
 header=MyValueImpl.h/implementation.cpp
 for Windows.
 This means we can not have a common sca.module defintion across the 
 platforms. 
 I propose we change this to
 implementation.cpp library=MyValue 
 header=MyValueImpl.h/implementation.cpp
 and allow the platform code to add the prefix and suffix lib and .so for 
 linux and the suffix .dll for windows. This is consistent with other
 C++ projects for specifying libraries. We would need an extra parameter path= 
 to specify the relative pass to the location of the library.
 Existing schema:
   element name=implementation.cpp type=sca:CPPImplementation 
 substitutionGroup=sca:implementation sdo:name=implementationCpp/
   complexType name=CPPImplementation
   complexContent
   extension base=sca:Implementation
   sequence
   any namespace=##other 
 processContents=lax minOccurs=0 maxOccurs=unbounded/
   /sequence
   attribute name=dll type=NCName 
 use=required/
 attribute name=header type=NCName use=required/
 attribute name=class type=Name use=optional/
   anyAttribute namespace=##any 
 processContents=lax/
   /extension
   /complexContent
   /complexType
 would become:
   element name=implementation.cpp type=sca:CPPImplementation 
 substitutionGroup=sca:implementation sdo:name=implementationCpp/
   complexType name=CPPImplementation
   complexContent
   extension base=sca:Implementation
   sequence
   any namespace=##other 
 processContents=lax minOccurs=0 maxOccurs=unbounded/
   /sequence
   attribute name=library type=NCName 
 use=required/  
 attribute name=path type=NCName use=optional/
 attribute name=header type=NCName use=required/
 attribute name=class type=Name use=optional/
   anyAttribute namespace=##any 
 processContents=lax/
   /extension
   /complexContent
   /complexType

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[jira] Resolved: (TUSCANY-508) Big Bank GetQute signature

2006-08-11 Thread Jean-Sebastien Delfino (JIRA)
 [ http://issues.apache.org/jira/browse/TUSCANY-508?page=all ]

Jean-Sebastien Delfino resolved TUSCANY-508.


Resolution: Fixed

This is now fixed the interfaces are in line with the WSDL and the actual Web 
Service which is invoked.

 Big Bank GetQute signature
 --

 Key: TUSCANY-508
 URL: http://issues.apache.org/jira/browse/TUSCANY-508
 Project: Tuscany
  Issue Type: Bug
  Components: C++ SCA
Affects Versions: Cpp-current
 Environment: Windows XP 
Reporter: Simon Laws

 ChangedGetQuote to getQuote in StockQuoteService_StockQuoteExternal_Proxy.cpp 
 and associated StockQuoteExternal files

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[jira] Resolved: (TUSCANY-510) Big Bank getQuote return type error

2006-08-11 Thread Jean-Sebastien Delfino (JIRA)
 [ http://issues.apache.org/jira/browse/TUSCANY-510?page=all ]

Jean-Sebastien Delfino resolved TUSCANY-510.


Resolution: Invalid

This is actually consistent with what the Web service that we are using is 
returning. It may look strange, but the StockQuote Web service actually returns 
a string containing an XML document. We have to then parse it in the client 
component code to extract  the (float) quote. We may want to look into using 
another good StockQuote Web service that would return a float to avoid 
confusing users in our Bigbank sample but the one that we are currently using 
has proven to be the most reliable of all...

 Big Bank getQuote return type error
 ---

 Key: TUSCANY-510
 URL: http://issues.apache.org/jira/browse/TUSCANY-510
 Project: Tuscany
  Issue Type: Bug
  Components: C++ SCA
Affects Versions: Cpp-current
 Environment: windows XP 
Reporter: Simon Laws

 StockQuoteExternalService.h/StockQuoteServiceImpl.cpp has incorrect return 
 type for getQuote   const char * should be float.

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Re: New woodstox release

2006-08-11 Thread Yang ZHONG

We're talking about at least 2 kinds of JDK levels.

2-1. SDO usage(byte code) level: as long as SDO libraries can run on JDK 1.4,
spec 2.1 is satisfied.
2-2. SDO implementation(source code) compilation level: SDO implementation
can be compiled by JDK 1.5 as long as the generated byte code can run on JDK
1.4

--

Yang ZHONG


[C++] Patches TUSCANY-606 and 613, was: BigBank scenario working end to end

2006-08-11 Thread Jean-Sebastien Delfino

Andrew Borley wrote:
[snip]

I needed to update the deploy.bat file that puts the various files in
the right places in the samples/BigBank/deploy directory so I've put a
patch up at TUSCANY-606.


Andy,

I am not able to apply patch TUSCANY-606 (and similar problem with 
TUSCANY-613).


patch -p0 /home/delfinoj/Tuscany/patches/TUSCANY-606.patch
gives me this error:
(Stripping trailing CRs from patch.)
patching file sca/samples/BigBank/deploy.bat
Hunk #1 FAILED at 1.
1 out of 1 hunk FAILED -- saving rejects to file 
sca/samples/BigBank/deploy.bat.rej


I have no idea what 1 out of 1 hunk failed means :) but svn info 
deploy.bat tells me: Last Changed Rev 429833, and the patch was 
generated on an earlier revision 429611... Could this be the problem?


Sorry about the inconvenience but could you try svn up then svn diff 
again and attach new patches to the JIRA issues? I'll try applying them 
again... Thanks.


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Re: [C++] Folder structure under $Tuscany_scacpp_system_root

2006-08-11 Thread Jean-Sebastien Delfino

Andrew Borley wrote:
[snip]
I think we use our samples to demonstrate different ways of working - 
have
the Calculator be deployed in a single directory and have the BigBank 
show

the use of multiple directories.
So perhaps have configuration, packages/account and packages/client
directories under the root directory? What do you think?

Andy



Andy, where would you place the two composites files describing the 
calculator implementation and component?


Just to recap, here's what we had in M1:
subsystems/
   CalculatorSubsystem/
   CalculatorSubsystem.composite
   BigBankSubsystem/
  BigBankSubsystem.composite
modules/
   CalculatorModule/
  CalculatorModule.module
   Accounts/
  Accounts.composite

I am proposing something like this:
configuration/
   sample.calculator.composite
   bigbank.composite
packages/
   calculator/
  calculator.composite
   bigbank.account/
  bigbank.account.composite
   bigbank.client/
  bigbank.client.composite

The configuration directory contains the composites included in your 
system, the packages directory contains implementations (composites or 
other things).


And here's another option:
system.composite file ... containing
include name=sample.calculator.composite/
include name=bigbank.composite/

and a more free form distribution for the other artifacts:
sample.calculator.composite
bigbank.composite
calculator/
   calculator.composite
bigbank.account/
   bigbank.account.composite
bigbank.client/
   bigbank.client.composite


This would provide less guidance to our users but maybe more 
flexibility. They would have to edit this central system.composite file 
instead of just placing files in a well known folder.


I'm OK with both the folder structure option or the cenral composite 
file option. I suggest we start experimenting with a simple scheme that 
you guys are comfortable and evolve it over time as we implement more 
scenarios. What do you think?


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Jean-Sebastien


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Re: Finally posted: src file header and copyright policy

2006-08-11 Thread Jeremy Boynes
Having just made modifications to most of the sca source tree to fix  
the CR problems, I plan to make this change later today.

--
Jeremy

On Jul 19, 2006, at 1:43 PM, Jeremy Boynes wrote:



On Jul 19, 2006, at 11:50 AM, Jeremy Boynes wrote:

Is this is good time to do this to the trunk (thinking that most  
people will not have any work that will conflict)?


I'll see if the tools work and if there are no issues think about  
doing this later this week.


We had a problem with some of the files not having license headers  
in them :-(
so I modified Roy's script to be a little more aggressive and  
replace everything before the package statement with the new header.


I ran these on a few files and they seemed to do the right thing  
but additional review would be appreciated.


--
Jeremy


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[jira] Commented: (TUSCANY-536) Cannot mix both WS Entrypoint and WS External Service

2006-08-11 Thread Jean-Sebastien Delfino (JIRA)
[ 
http://issues.apache.org/jira/browse/TUSCANY-536?page=comments#action_12427657 
] 

Jean-Sebastien Delfino commented on TUSCANY-536:


Is TUSCANY-511 just a duplicate of 536 and therefore should just be closed as 
such?

 Cannot mix both WS Entrypoint and WS External Service
 -

 Key: TUSCANY-536
 URL: http://issues.apache.org/jira/browse/TUSCANY-536
 Project: Tuscany
  Issue Type: Bug
  Components: C++ SCA
Affects Versions: Cpp-current, Cpp-M1
Reporter: Andrew Borley
Priority: Minor

 A component invoked via a WS Entrypoint fails after invoking a WS External 
 Service. I believe this is a problem with freeing memory in Axis2C  have 
 asked a question on the Axis2C mailing list. Currently this causes the server 
 to crash. 
 A workaround can be used - comment out the block that frees the Axis2C 
 service client in Axis2Client.cpp at line 169:
 //if (svc_client)
 //{
 //AXIS2_SVC_CLIENT_FREE(svc_client, env);
 //svc_client = NULL;
 //} 
 Unfortunately this can cause memory leakage problems.

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[jira] Updated: (TUSCANY-615) The SCDL syntax for reference doesn't conform to SCA spec 0.95

2006-08-11 Thread Raymond Feng (JIRA)
 [ http://issues.apache.org/jira/browse/TUSCANY-615?page=all ]

Raymond Feng updated TUSCANY-615:
-

Attachment: rfeng-scdl-fixed-2.txt

New patch on top of Jeremy's svn property fix.

 The SCDL syntax for reference doesn't conform to SCA spec 0.95
 --

 Key: TUSCANY-615
 URL: http://issues.apache.org/jira/browse/TUSCANY-615
 Project: Tuscany
  Issue Type: Bug
  Components: Java SCA Core
Reporter: Raymond Feng
 Assigned To: Raymond Feng
Priority: Critical
 Attachments: rfeng-scdl-fixed-1.txt, rfeng-scdl-fixed-2.txt, 
 rfeng-scdl-fixed.txt, rfeng-scdl.txt


 With Rick check-in of r430621, I'm seeing the EchoBinding test case is 
 failing with the 
 following exception:
 org.apache.tuscany.spi.loader.InvalidReferenceException: No target for 
 service  [ClientService]
  at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java)
  at org.apache.tuscany.core.loader.ServiceLoader.load(ServiceLoader.java:1)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:75)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:50)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:90)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:107)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.loadFromSidefile(CompositeComponentTypeLoader.java:46)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:38)
  at 
 org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:20)
  at 
 org.apache.tuscany.core.loader.LoaderRegistryImpl.loadComponentType(LoaderRegistryImpl.java:157)
  at 
 org.apache.tuscany.core.deployer.DeployerImpl.load(DeployerImpl.java:111)
  at 
 org.apache.tuscany.core.deployer.DeployerImpl.deploy(DeployerImpl.java:90)
  at 
 org.apache.tuscany.core.launcher.Launcher.bootApplication(Launcher.java:171)
  at org.apache.tuscany.test.SCATestCase.setUp(SCATestCase.java:63)
  at echo.BootstrapTestCase.setUp(BootstrapTestCase.java:23)
  at junit.framework.TestCase.runBare(TestCase.java:125)
  at junit.framework.TestResult$1.protect(TestResult.java:106)
  at junit.framework.TestResult.runProtected(TestResult.java:124)
  at junit.framework.TestResult.run(TestResult.java:109)
  at junit.framework.TestCase.run(TestCase.java:118)
  at 
 org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
  at 
 org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
  at 
 org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
 I adjusted the scdl file per SCA 0.95 spec:
 composite xmlns=http://www.osoa.org/xmlns/sca/1.0; name=echo.sample
 service name=ClientService
 interface.java class=echo.Client/
 binding.echo/
 referenceClient/reference
 /service
 component name=Client
 implementation.java class=echo.ClientImpl/
 reference name=echoReferenceEchoReference/reference
 /component
 reference name=EchoReference
 interface.java interface=echo.Echo/
 binding.echo/
 /reference
 /composite
 Now the ServiceLoader.java is problematic because it assumes it'll get 
 reference before the binding which is not case per SCA 0.95 spec:
 service name=xs:NCName multiplicity=0..1 or 1..1 or 0..n or 1..n?*
 interface/
 binding uri=xs:anyURI?/*
 referencewire-target-URI/reference+
 /service
 component name=xs:NCName*
 implementation/
 property name=xs:NCName source=sca:Property?*
 property-value
 /property
 reference name=xs:NCName/*
 wire-target-URI
 /reference
 /component
 The ComponentLoader.java cannot handle the reference element either since 
 the SCA spec 0.95 also use the element content instead of target 
 attribute.
 I attached a patch to fix the problem.

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[VOTE] indent on case

2006-08-11 Thread Jeremy Boynes
In our code guidelines (or at least the IDE setup files), case is not  
indented

switch (i) {
case 1:
break;

but the checkstyle profile is looking for a 4 character indent:
switch (i) {
case 1:
break;

which do we want?

[ ] No indent
[ ] Indent 4 characters

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Re: [VOTE] indent on case

2006-08-11 Thread Jeremy Boynes

My vote
On Aug 11, 2006, at 5:55 PM, Jeremy Boynes wrote:

In our code guidelines (or at least the IDE setup files), case is  
not indented

switch (i) {
case 1:
break;

[X] No indent
[ ] Indent 4 characters


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Re: Improved site look and feel

2006-08-11 Thread haleh mahbod

David,
Your prototype is more user friendly.  Would it be possible to see a mock up
with these changes for comparison? Your talent in graphics is much
appreciated :)

- Choose a lighter green than the one we have in the header for community,
general, etc. boxes. Perhaps the same as the background in the logo.
- Don't grey the boxes for community, general, etc. This would get rid of
the empty grey box below header in the larger frame where the diagram
resides
- Leave the grey shadow line around the boxes. It is nice.
- Tone down the architecture diagram colors. Use shades/variation of the
same color. Perhaps light blue, mat blue and grey
- possibly extend the architecture diagram to show an SCA composite
application diagram which when clicked on would take us to a code sample
- Change the red font for the links on the webpage to dark grey

Thanks,
Haleh

On 8/11/06, David Wheeler [EMAIL PROTECTED] wrote:


Do you mean the blue in the project diagram?
As I can create an updated version of that, but it wasn't going to be a
part
of the changes.

On 8/11/06, Yang ZHONG [EMAIL PROTECTED] wrote:

 Very nice. Thank you.

 Just one tiny suggestion, the green color and blue color are right next
to
 each other, is it possible to change one of them since there might be
 people
 having difficulty to distinguish them?


 On 8/11/06, David Wheeler  [EMAIL PROTECTED] wrote:
 
  Hello everyone,
 
  The recent changes to the main site included a number of modifications
 to
  the site's content, but the look and feel of the site seems to have
  slipped
  .
  I feel In order to attract people into the site and get them to
actually
  read that content, it needs to be presented in an appealing manner. So
  I've
  started working on addressing this problem.
 
  I've attached a mockup (no HTML yet) of a possible revision to the
site.
 I
  tried to take the logo and continue down that line with rounded
corners
  and
  a light green theme.
 
 
 
http://wiki.apache.org/ws-data/attachments/Tuscany(2f)ClickableImages/attachments/SiteMock%288-11-06%29.png?1155321723.49

 
  Please let me know what you think and if you have any ideas.
 
  -David W
 
 


 --

 Yang ZHONG






Re: [jira] Updated: (TUSCANY-611) RMI Binding

2006-08-11 Thread Jim Marino


On Aug 11, 2006, at 2:32 PM, Jeremy Boynes wrote:


On Aug 11, 2006, at 2:25 PM, Jim Marino wrote:



On Aug 11, 2006, at 1:59 PM, Jeremy Boynes wrote:


On Aug 11, 2006, at 1:49 PM, Jim Marino wrote:

On Aug 10, 2006, at 10:53 PM, Venkata Krishnan wrote:


My imagination of the Registry is that it is lightweight and it  
should be ok
to host several instances of it on a host, ofcourse each on a  
different
port. Hence we might actually allow the assemblies to mention  
which port

number is preferred to host the RMI Service.
I think this could be accomplished with one system service. The  
RMIHost API could have overloaded versions of register(), one  
that takes an explicit port and one that uses a default. If an  
explicit port is passed, the RMIHost would look for a cached  
Registry, creating one if needed.


I think one component per registry would be easier to manage.

Each registry would register with the RMIHost by socket address;  
service instances would register with the RMIHost which would  
delegate to the appropriate registry based on the endpoint address.


Specifying just port number in the assembly is not enough - you  
need to be able to specify host/port combinations.


Forgot about the host. If we want to have one component per  
registry, what happens when two services register at the same host/ 
port combination?


If two registries register, the second should fail (as it won't be  
able to get the socket anyway).


Right so that's why I was thinking it would be better to allow for  
multiple components per registry. Do you think that's not something  
that really is a problem?



Services will have a uri whose path will distinguish them.

--
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Re: [VOTE] indent on case

2006-08-11 Thread Jim Marino

I'm note sure this requires a vote but I prefer indent 4.

Jim


On Aug 11, 2006, at 5:55 PM, Jeremy Boynes wrote:

In our code guidelines (or at least the IDE setup files), case is  
not indented

switch (i) {
case 1:
break;

but the checkstyle profile is looking for a 4 character indent:
switch (i) {
case 1:
break;

which do we want?

[ ] No indent
[ ] Indent 4 characters

--
Jeremy

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Re: Improved site look and feel

2006-08-11 Thread Jim Marino


On Aug 11, 2006, at 6:04 PM, haleh mahbod wrote:


David,
Your prototype is more user friendly.  Would it be possible to see  
a mock up

with these changes for comparison? Your talent in graphics is much
appreciated :)

- Choose a lighter green than the one we have in the header for  
community,

general, etc. boxes. Perhaps the same as the background in the logo.
- Don't grey the boxes for community, general, etc. This would get  
rid of

the empty grey box below header in the larger frame where the diagram
resides
- Leave the grey shadow line around the boxes. It is nice.
- Tone down the architecture diagram colors. Use shades/variation  
of the

same color. Perhaps light blue, mat blue and grey
- possibly extend the architecture diagram to show an SCA composite
application diagram which when clicked on would take us to a code  
sample

- Change the red font for the links on the webpage to dark grey

Thanks David I think this looks nice too. Generally I don't get too  
much into color schemes but I think lightening the green or limiting  
the number of colors/contrast may make the important things stand out  
a little more. We could do something like adopt the colors of the  
Tuscan flag :-)


http://www.flagsonline.it/asp/bandiera.asp/bandiera_Toscana/Toscana.html

Jim


Thanks,
Haleh



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Re: [VOTE] indent on case

2006-08-11 Thread Yang ZHONG

switch clause may have statements other than case, and people normally
indent sub elements...


--

Yang ZHONG


Re: [VOTE] indent on case

2006-08-11 Thread Jeremy Boynes
The other elements would go at the level of the break - indent 4 or  
indent 8 respectively.


That's actually why I prefer the no-indent case as it puts the  
other elements at the same indent as if you were using an if block  
in rather than an additional 4 characters in.


--
Jeremy

On Aug 11, 2006, at 6:46 PM, Yang ZHONG wrote:

switch clause may have statements other than case, and people  
normally

indent sub elements...


--

Yang ZHONG



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Re: [jira] Updated: (TUSCANY-611) RMI Binding

2006-08-11 Thread Jeremy Boynes

On Aug 11, 2006, at 6:29 PM, Jim Marino wrote:
Forgot about the host. If we want to have one component per  
registry, what happens when two services register at the same  
host/port combination?


If two registries register, the second should fail (as it won't be  
able to get the socket anyway).


Right so that's why I was thinking it would be better to allow for  
multiple components per registry. Do you think that's not something  
that really is a problem?




An RMI registry can support multiple services, see next statement.


Services will have a uri whose path will distinguish them.


RMI services have a URI path that they use to register with the  
registry so that it can contain multiple ones - like a servlet  
context is used to allow multiple webapps on the same socket.


RHIHost= Web container (ServletHost)
RMIRegistry= HTTP listener
Remote Service = Servlet

RMIRegistry instances are components deployed to the system that  
listen on sockets and dispatch requests to registered services based  
on URI path.


--
Jeremy


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