in other words, your client tells the server, give me the next page
of result,
the client doesnt specifically says, give me page 4, give me page X,
client just says give me Next page, and it is the server that knows
what this next page would be,
and returns the result to the client.
Does the app run in the hosted mode?
Where do you deploy the app after it compiles?
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It looks like on the page
border-bottom-style: *none*;
but in the style
border-bottom-style: *dotted*;
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It looks like you are trying to send request from a Client (C) to Server 1
(S1). S1 in turn sends request to Server 2 (S2)
C - S1 - S2
When S1 receives a request from C, it needs to send another request to S2.
When S1 gets results back from S2, all it needs to do is to return results
back
Personally I store all configuration related to one place/activity on the
server.
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Sorry if I was not clear, I didn't say it's the best to use GAE, it all
depends on your requirements. GAE is a web server where you deploy your
application. If you chose to deploy on GAE then it's better to use
authentication offered by GAE.
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Take a look here
http://code.google.com/appengine/docs/java/config/webxml.html#Security_and_Authentication
And then here (the first link will also point you here)
http://code.google.com/appengine/docs/java/users/
Also read the overview
GWT runs in a browser, a connection to a DB is created on the server.
GWT does not enforce any particular web server implementation. For
example, your web server can be IIS, Apache, Tomcat, GAE, Weblogic, Jetty,
GlassFish, etc.
After choosing the web server you can use any kind of APIs
It probably does not matter, RequestFactory is just a form of RPC. You can
have 2 request factories: one for login, anther for the rest of the app.
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On Tuesday, January 18, 2011 9:05:23 AM UTC-8, ernesto.reig wrote:
It does not make sense to have 2 RequestFactory(s) in a single web app. I´d
have 2 (or more) RequestContext, and I´d get them having these methods in my
AppRequestFactory interface (one of them dealing with the user
There are many ways to implement logins, depending on the server side you
use.
If you use servlets then the servlet spec will guide you:
http://jcp.org/aboutJava/communityprocess/pr/jsr315/index.html
Look at login-config/, auth-method/, realm-name/,
security-role/, security-role/ tag
For full Java stack RequestFactory may be another option for a new project.
http://code.google.com/webtoolkit/doc/latest/DevGuideRequestFactory.html
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Make sure your UserRoles satisfy requirements outlined here:
http://code.google.com/webtoolkit/doc/latest/tutorial/RPC.html#serialize
Also, does Hibernate enhance server-side classes in a way that makes them
incompatible with these requirements?
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Did you have a chance to go through this tutorial?
http://code.google.com/webtoolkit/doc/latest/tutorial/gettingstarted.html
When you get the data, you need to populate the widgets as shown here:
http://code.google.com/webtoolkit/doc/latest/tutorial/RPC.html#invoke
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May be
Scheduler.scheduleEntry()http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/gwt/core/client/Scheduler.html#scheduleEntry(com.google.gwt.core.client.Scheduler.ScheduledCommand)may
be of help?
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P.S. Forgot to mention that if you use GAE, it's better to start from this
pagehttp://code.google.com/appengine/docs/java/config/webxml.html#Security_and_Authentication
.
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The call is non-blocking.
When response arrives, you can populate the widget and call setWidget() on
the display. Start()
javadochttp://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/gwt/activity/shared/Activity.html#start(com.google.gwt.user.client.ui.AcceptsOneWidget,
*within Receiver#onSuccess anonymous inner class*, it's where you actually
receive the data.
*After that code* the data is not yet available.
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The registered callback will be executed before an event (*Mouse click/Move,
Key Press etc*) gets to the message loop.
Scheduler.scheduleEntry(new RepeatingCommand() {
boolean execute() {
// some activity occurred
return true; // to be called again, false to stop from being called
}
Not sure if Message can be an abstract class and can implement Serializable.
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How do you add nodes in the first place?
If you use TreeModel's AbstractNodeInfo, then you pass AbstractDataProvider
to the AbstractNodeInfo's constructor. You can call updateRowCount()
and updateRowData() on the data provider to add more nodes.
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Thomas is absolutely right about JsonUtils. In addition you may
consider JsonpRequestBuilder if you are planing to use JSON services
Regarding this particular example, I have some old code that uses plain
eval(): it works, but I don't use quotes around field names (*type* and *
timeleft*).
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This recent discussion may help
https://groups.google.com/forum/?fromgroups#!topic/google-web-toolkit/c1zlxMRD4gM
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If you put these selectors into a ui:style/ tag of *.ui.xml file they will
not work because the rules will be obfuscated. The selectors need to go to
your application's CSS file:
http://code.google.com/webtoolkit/doc/latest/DevGuideUiCss.html#widgets
Create a CSS file (mystyles.css), put it
What does com.my.app.widgets.logoname.Resources look like?
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Is using CSS a strict requirement? What about using *size* property?
http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/gwt/user/client/ui/DockLayoutPanel.html
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jetty couldn't find com.mckinnon.ross.server.DataTableServiceImpl
Did you also rework web.xml?
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There is no requirement that getAllAs(start, size) should call getA(id):
getAllAs(start,
size) can be implemented in any way on the server.
http://code.google.com/webtoolkit/doc/latest/DevGuideRequestFactory.html#impl
As to the DB design: if A keeps list of Bs in a string field, may be the
But may be you renamed com.mckinnon.ross.server.DataTableServiceImpl and
didn't modify web.xml to reflect that?
It's strange that jetty does not complain about all other servlets except
this one...
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On Saturday, December 11, 2010 2:01:28 PM UTC-8, zixzigma wrote:
is it possible to use 2.1.1 RequestFactory/AutoBean to convert POJO to
JSON and viceversa
when interacting with a RESTful Web Service ?
the common practice with GWT client-server communication is
to have packages:
Sorry if I wasn't clear. ui:style/ places the styles side by side with a
composite and the composite's look does not depend on whether the styles are
included in *.html or not.
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I don't quite understand what the method parameter means. Are you
following these instructions or doing something different?
http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsDeferred.html#replacement
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Personally I think
- if a component does not share styles with other components, the styles
should go to ui:style/ (GWT's NotificationMole, for example)
- If there is a need to access these styles programmatically, GWT
allows that.
- If components share styles with each
How is cellList.resource autogenerated? Do you have a css file that you
associate with it and then call GWT.create() on your bundle interface as
described here?
http://code.google.com/webtoolkit/doc/latest/DevGuideUiBinder.html#Using_an_external_resource
com.google.gwt.user.client.History.back()
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Does MyService have different methods that return the same value type?
If so, is it possible that you call these methods using the same instance of
the callback?
(_counnectionErrorCount makes me think so: why do you need this counter?)
Not sure if this can cause a problem, just a guess...
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Thanks for looking at this Thomas!
And thanks to GWT team who made refactoring of a web app so easy :-)
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All entry points are called:
http://code.google.com/webtoolkit/doc/latest/DevGuideOrganizingProjects.html#DevGuideModules
Do you need 2 entry points? If you want to use a base module as a separate
app, you can create a third module, move the entry point from the base
module there and inherit
... or HttpURLConnection
http://download.oracle.com/javase/6/docs/api/java/net/HttpURLConnection.html
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Is it possible that you didn't inherit from
com.google.gwt.visualization.Visualization
module?
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What if you remove servlet/ from *.gwt.xml and configure servlets only
from web.xml?
The xml reference says that
*The servlet element applies only to GWT's embedded server server-side
debugging feature.*
*NOTE: as of GWT 1.6, this tag does no longer loads servlets in development
mode, instead
This will work fine.
Just two notes:
MyCapabilityDisabledException can extend Exception, it does not have to
extend Throwable.
You can also use if(caught instanceof MyCapabilityDisabledException) instead
of re-throwing caught in onFailure()
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It is possible, very convenient and easy to import them to WindowBuilder.
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I use
Widget
Widget.Presenter (nested interface)
WidgetImpl
WidgetImpl.ui.xml
WidgetImpl does not look nice, but at least it's consistent with the MVP
pattern.
Having Widget.Presenter nested is also not necessary.
Even though the MVP-based WidgetImpl's are re-usable, I'm not embedding them
You might have forgotten to call ensureInjected() on your style (the one
that extends CssResource)
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This might not suit your team well, but the ability to run plain JUnit is
one of the major reasons I moved to the MVP pattern:
http://code.google.com/webtoolkit/articles/mvp-architecture.html#testing
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On Thursday, January 13, 2011 11:15:52 PM UTC-8, zixzigma wrote:
do you think there is a better way to do this ?
this resources.style().ensureInjected()
sitting on one line, on its own, seems a bit suspecious,
is this the correct way of using css resources inside client bundle ?
Strange, there have been no issues for me running GWT 2.1.0 and 2.1.1 on
64-bit Ubuntu 10.04.
GWT issues database is here:
http://code.google.com/p/google-web-toolkit/issues/list
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GWT approach to navigation within a module is to use history tokens:
http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsHistory.html
If you use MVP, then take a look at activities and places (GWT integrates
them with history tokens):
ColumnT, C implements HasCellT, C which has getFieldUpdater() method.
The returned updated is the one you can use: FieldUpdaterT, C.update(int
index, T object, C value)
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For #2 (List items):
There will be a single Place sub-class (let's call it ItemPlace), but every
time you click on a list item, a new instance of the ItemPlace is created,
and you can pass your item (the model element) to the ItemPlace constructor.
(You need to proper implement
Are you using ValueProxy for @Embeddable?
Take a look at this post:
https://groups.google.com/forum/#!topic/google-web-toolkit/GtYo9DJaf9o/discussion
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Does factory.personRequest().getStr() return InstanceRequestPersonProxy,
String?
If yes, you need factory.personRequest().getStr().using(person)
If not, how do you pass information about a person?
As an alternative, after retrieving a person you can just use
Person.getStr() instead of having
Ubuntu allows switching between different installed java versions:
update-java-alternatives -s java-version
May be there is something similar for Mac?
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actually I was using simple gwt-rpc to send the object to the server.
May be your @Embeddable was enhanced by the JPA provider in a way that made
it incompatible with GWT-RPC?
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Regarding token parsing: RequestFactory supports converting between history
tokens and Entity Types / IDs.
http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/gwt/requestfactory/shared/RequestFactory.html#getHistoryToken(java.lang.Class)
Suppose there is an interface
@Service(MyEntity.class)
public interface MyEntityRequest extends RequestContext {
RequestMyEntityProxy getCurrentEntity();
InstanceRequestMyEntityProxy, Void persist();
}
I can move the static method MyEntity.getCurrentEntity() to
MyEnityService.getCurrentEntity()
You can place static content in the war directory. For example, if you have
war/hello.html, you can use this ui binder snippet to load it:
g:Frame width=100% url=hello.html/
http://code.google.com/support/bin/answer.py?hl=enanswer=63584
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Did you play with the modules' rename-to attributes?
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Do you have jetty-???.jar in your jetty/lib?
Also, do you start jetty using the command line below?
java -jar start.jar etc/jetty.xml
On Jan 11, 6:16 am, Noor baken...@gmail.com wrote:
Can someone help me to place my GWT application on Jetty. I am not
using maven. I have libraries in my build
Do you need all the children at once?
If not, you can use CellBrowser or CellTree (combined with a TreeModel
and data providers) to let the user interactively bring only the
children he/she needs .
On Jan 11, 10:03 am, opn open...@gmx.net wrote:
Thx for the reply : ) i've already seen and used
Not sure if I understand what the rest of the world and external
users mean...
Do you simply NOT want to use GWT-RPC and call already existing
services?
If so, you can use com.google.gwt.http.client.RequestBuidler or
com.google.gwt.jsonp.client.JsonpRequestBuilder depending on the
existing
#2 is a classic example of where MVP suits well. You can just follow
these guidelines:
http://code.google.com/webtoolkit/doc/latest/DevGuideMvpActivitiesAndPlaces.html
For #1 it's better to use TabBar (instead of TabPanel/TabLayoutPanel)
and handle selection events to navigate to different
Sorry, I meant to say #1 to #2
On Jan 11, 10:08 pm, Y2i yur...@gmail.com wrote:
#2 is a classic example of where MVP suits well. You can just follow
these
guidelines:http://code.google.com/webtoolkit/doc/latest/DevGuideMvpActivitiesAnd...
For #1 it's better to use TabBar (instead
These two were very helpful for me:
http://code.google.com/webtoolkit/doc/latest/DevGuideRequestFactory.html
http://code.google.com/webtoolkit/doc/latest/DevGuideMvpActivitiesAndPlaces.html
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Lisa,
In addition to Thomas' link there is another good document to start
with:
http://code.google.com/webtoolkit/doc/latest/DevGuideRequestFactory.html
It describes well how RF bridges client and server sides. The Roo-
generated code will become easier to understand after reading this
article.
It looks like the feature request was accepted:
http://code.google.com/p/google-web-toolkit/issues/detail?id=5367
This is an workaround, but it's how I'm planning to deal with the
polymorphism until it's fully supported by the request factory.
-
I meant to say This is an ugly workaround...
On Jan 10, 5:56 pm, Y2i yur...@gmail.com wrote:
It looks like the feature request was accepted:
http://code.google.com/p/google-web-toolkit/issues/detail?id=5367
This is an workaround, but it's how I'm planning to deal with the
polymorphism until
I use textBox.getAbsoluteLeft() instead of
txtBox.getElement().getAbsoluteLeft()
(it eventually does the same what
txtBox.getElement().getAbsoluteLeft() does, but it works for me,
strange...)
In addition, if it a simple text tooltip, you can manipulate HTML
TITLE attribute
P.S. if TITLE attribute works for you, you can use textBox.setTitle()
instead of manipulating DOM
On Jan 10, 6:17 pm, Y2i yur...@gmail.com wrote:
I use textBox.getAbsoluteLeft() instead of
txtBox.getElement().getAbsoluteLeft()
(it eventually does the same what
txtBox.getElement
again for your idea and suggestions,
Thomas
On Jan 2, 10:11 am, Y2i yur...@gmail.com wrote:
Actually the only thing that works with datanucleus is
EntityManager.createNativeQuery(select ..., MyPOJO.class)
EntityManager.createNativeQuery(select ..., MyQuery) +
@SqlResultSetMapping
Thanks for pointing this out Thomas, and also for your recent post
that sheds more light on how all this works.
http://tbroyer.posterous.com/gwt-211-requestfactory
On Jan 2, 4:38 am, Thomas Broyer t.bro...@gmail.com wrote:
Seehttp://code.google.com/p/google-web-toolkit/issues/detail?id=5389
I didn't do it because I had to change the design. I'm still curios
if it's possible at all...
On Jan 9, 7:44 am, Deepak Singh deepaksingh...@gmail.com wrote:
Can u post the code pls how u did it ?
On Sat, Jan 8, 2011 at 2:21 PM, Y2i yur...@gmail.com wrote:
It is possible, by calling
using events, but I might have been doing something
wrong.
On Jan 9, 8:32 am, Y2i yur...@gmail.com wrote:
I didn't do it because I had to change the design. I'm still curios
if it's possible at all...
On Jan 9, 7:44 am, Deepak Singh deepaksingh...@gmail.com wrote:
Can u post the code
It is possible, by calling SingleSelectionModel.setSelected(...), to
change the selection (blue line) in a CellTable from the code.
Is it possible to change the cursor (yellow line) in the CellTable
from the code?
I tried
DomEvent.fireNativeEvent(Document.get().createKeyCodeEvent(keydown,
I changed the design, this is not an issue anymore...
On Jan 8, 12:51 am, Y2i yur...@gmail.com wrote:
It is possible, by calling SingleSelectionModel.setSelected(...), to
change the selection (blue line) in a CellTable from the code.
Is it possible to change the cursor (yellow line
Not sure if you can do this with ListBox, but you can try constructing
this through DOM manipulation using SelectElement, OptGroupElement and
OptionElement
On Jan 5, 10:34 pm, vijay gohel vijayigo...@gmail.com wrote:
i want aout put like
Group1
Item1-1
Item1-2
Item1-3
I would also like to have similar functionality: back-forth button
working within a tab, not across a tab.
This would be possible to achieve if GWT supported for nested places
and activities.
In the first level, back-forth button would work across the tabs.
Once a user clicks within a tab, URL
I don't see @ManyToMany attribute in the sample code.
On Jan 6, 8:53 am, Aldo Neto tumo...@gmail.com wrote:
Hi all,
I'm trying to create a Many-to-Many relationship and add a couple of fields
to it. I based my mapping on this
Sorry, I misunderstood the question. You are trying emulate
@ManyToMany...
On Jan 6, 3:13 pm, Y2i yur...@gmail.com wrote:
I don't see @ManyToMany attribute in the sample code.
On Jan 6, 8:53 am, Aldo Neto tumo...@gmail.com wrote:
Hi all,
I'm trying to create a Many-to-Many
Did you setup table columns?
It might be also possible that your table is not visible (collapsed).
Try setting background color to red (using styles) to verify that if
it is visible.
On Jan 5, 9:56 am, Noor baken...@gmail.com wrote:
I am getting problem to update cell table at runtime.
I am
AbstractRemoteServiceServlet and its sub-class RemoteServiceServlet
are the classes that implement gwt-rpc. gwt-rpc is implemented using
doPost(). AbstractRemoteServiceServlet makes doPost() final and
delegates the work to RemoteServiceServlet.processPost() to dispatch
remote service interface
Just copied and tested above code in 2.1.1 and works fine in
development mode.
This is what I said earlier: the example also works for me in GWT
2.1.1...
Looking at the exception, you are using the setHours() method in the
sql Date object...
But if I replace java.util.Date with
call cellTable.setRowCount(AllMessages.size(), true);
On Jan 5, 12:54 pm, Noor baken...@gmail.com wrote:
Hi, I am stuck with the gwt cell pager which I want to attach to a
cell table. I am setting like this:
List ForumMessage AllMessages=populated from an rpc;
CellTable cellTable = new
John,
I'm curious about sorting implementation.
When a cell table is attached to an async data provider, range data is
requested from the provider in batches. More likely the sorting will
occur in the database and only a small range will be returned to the
table.
In addition, a single data
Just can't thank GWT Team enough for the value proxies!
It is now possible to run complex JPQL queries involving aggregate
functions, construct n...@entity projections and path them through to
the client. The projections can even refer to @Entities and it all
magically works!
Just one more
May be this post will help:
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/8fc260a7865076e9/
It was solved by adding webAppDirectory to the GWT maven plugin.
On Jan 5, 8:50 pm, Shubhang Mani shubhang.m...@gmail.com wrote:
I'm trying to deploy a GWT application to an
, yeti superi...@gmail.com wrote:
Thank you Y2i, Your messages are greatly help to me
But there is an another problem stuck in... updataRowCount() and
updataRowData should work with hasData, but cellTree doesnt implement
it, so my requestion is, as to cellTree, how do both functions above
work
I was thinking of a similar approach,
but couldn't come up with a way to populate the lookup table
(initialize it for the first time with data).
could you please explain how you register activities/places in the
lookup table, so that they are available at run-time ?
At the moment I simply
Thanks for pointing to this issue Thomas!
A follow up question: how do we distinguish between the sub-classes on
the client?
JPA queries are polymorphic, so on the server the sub-classes are
distinguishable.
For single table and joint inheritance strategy JPA internally uses a
discriminator
A Widget.addDomHandler() method may be what you are looking for. You
can register a handler for com.google.gwt.event.dom.client.ClickEvent.
On Jan 4, 9:43 am, Joe Hudson joe...@gmail.com wrote:
Hi,
I'm trying to figure out the best way to have a class accept click
events while still being
Adding/subtracting 1900 is not a big problem.
Instead of setDay() use (also deprecated) setDate()
Also, take a look at DateTimeFormat
http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsFormatting.html#datetimeformat
If you are concerned about using deprecated methods, you can
ValueProxy can help with @Embedded, please take a look at Thomas' post
here:
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/743631b8460d931b/4242f0ef5de751e7?lnk=gstq=ValueProxy#4242f0ef5de751e7
On Jan 4, 3:43 pm, Aldo Neto tumo...@gmail.com wrote:
Hi,
I've been
Entry points are declared in *.gwt.xml module files. When a module is
loaded, every entry point class defined in the module file is
instantiated and its EntryPoint.onModuleLoad() method gets called.
An entry point is instantiated only once and onModuleLoad() is also
called once, so there is no
This is how the browser history works. When you hit the back button
at C and then go from B to D, the B-C stack is blown away. You can
verify this on non-GWT websites, e.g. wikipedia.
On Jan 4, 7:00 pm, zixzigma zixzi...@gmail.com wrote:
I am noticing an odd behaviour when navigating around my
This should work:
@UiHandler(lastName)
void onLastNameBlur(BlurEvent event) {
// code from UpperCase goes here
}
On Jan 3, 5:33 am, Peter Ondruska peter.ondru...@gmail.com wrote:
BTW right now I just call lastName.addBlurHandler... in constructor but
would prefer using @UiHandler if
My app has a Place for every EntityProxy type.
BasePlace has getProxyType() method that is called in
MyActivityMapper.getActivity(place).
Based on the proxy type returned, getActivity() method looks up an
activity factory and calls factory.createActivity(place, config)
All I have to do is to
is present.
My IDE import java.util and not java.sql package.
Any ideas?
Thanks!
On 30 Dic 2010, 22:49, Y2i yur...@gmail.com wrote:
java.sql.Date does not have a default constructor, so the example
won't compile; it must be something different.
BTW, I copied the three lines above
Thomas, try this:
Define a bean-like class for your PostGIS type, but don't annotate it
with @Entity, just keep it as POJO. Let's call it MyPOJO.
Use native queries to query the type:
EntityManager.createNativeQuery(select ..., MyQuery)
Use @SqlResultSetMapping to map MyQuery to MyPOJO.
If
, not
sure if it will work with EclipseLink at all.
On Jan 2, 12:27 am, Y2i yur...@gmail.com wrote:
Thomas, try this:
Define a bean-like class for your PostGIS type, but don't annotate it
with @Entity, just keep it as POJO. Let's call it MyPOJO.
Use native queries to query the type
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