I gave this name just cause it doesn't have all the classes and
fuctionality
of a real DAS library. But it will later become a complete DAS library, I
expect ; ). You may call also DAS "initial phase", I don't know.
Adriano Crestani
On 2/27/07, Luciano Resende <[EMAIL PROTECTED]> wrote:
>
> Hi Adriano
>
> What's the difference between DAS C++ and DAS C++ lite ? Why we would
> need two ? I thought one DAS was already too much work :)
>
> --
> Luciano Resende
> http://people.apache.org/~lresende
>
> On 2/26/07, Adriano Crestani <[EMAIL PROTECTED]> wrote:
> >
> > I created a JIRA(https://issues.apache.org/jira/browse/TUSCANY-1140)
to
> > implement the DAS Lite Command classes that I described here:
> > http://cwiki.apache.org/confluence/pages/viewpage.action?pageId=45093
> >
> > Hey guys, I read this article
> > https://issues.apache.org/jira/browse/TUSCANY-1140 and I think you
will
> > like
> > that, it tells a lot about how c++ sdo works ; )
> >
> > Adriano Crestani
> >
> > On 2/27/07, Adriano Crestani <[EMAIL PROTECTED]> wrote:
> > >
> > > I looked at the maven for netbeans page and it seems interesting,
but
> I
> > > didn't have time to test it yet.
> > >
> > > Sorry Luciano, but what is a webApp skeleton? Could you give an
> example?
> > >
> > >
> > > On 2/17/07, Luciano Resende <[EMAIL PROTECTED]> wrote:
> > > >
> > > > Except for the instructions related to NetBeans, most of these
steps
> > are
> > > > defined on the following two links:
> > > > http://incubator.apache.org/tuscany/java-projects.html
> > > > or
> > > > http://incubator.apache.org/tuscany/java_das_overview.html
> > > >
> > > > Probably would be better for you to review these links and suggest
> > > > enhancements, as most new users will probably have the same issues
> as
> > > > you
> > > > guys are having.
> > > >
> > > > The netBeans steps could probably also be appended to the
> > > > java-projects.htmllink, together with the instructions on how to
use
> > > > Eclipse or IDEA. BTW,
> > > > have you seen this :
> > > >
> > > >
> >
>
http://maven.apache.org/guides/mini/guide-ide-netbeans/guide-ide-netbeans.html
> > > >
> > > >
> > > > Looks like there is a plugin that does the creation of the
netBeans
> > > > project
> > > > files from the pom
> > > >
> > > > mvn netbeans-freeform:generate-netbeans-project
> > > >
> > > >
> > > > Then, for the webAPP, maybe it's easy if you provide a webApp
> > > > skeleton, then people could only import the war file.
> > > >
> > > > Toughts ? Does the link help ?
> > > >
> > > >
> > > > --
> > > > Luciano Resende
> > > > http://people.apache.org/~lresende<
> > http://people.apache.org/%7Elresende>
> > > >
> > > > On 2/16/07, Adriano Crestani <[EMAIL PROTECTED]> wrote:
> > > > >
> > > > > As me and Dannyel had some trouble on building and debugging
this
> > > > simple
> > > > > read app using das java, I created this short howTo to help
anyone
> > > > else
> > > > > that
> > > > > is also having difficult to create a project on netbeans IDE to
> > debbug
> > > > the
> > > > > code.
> > > > >
> > > > > 1 - download subversion(
> > http://subversion.tigris.org/project_packages.html
> > > > > )
> > > > > and unpack it
> > > > >
> > > > > 2 - download maven 2.0.4 (http://maven.apache.org/download.html)
> > and
> > > > > unpack
> > > > > it
> > > > >
> > > > > 3 - set maven/bin and subversion/bin in your SO path
> > > > >
> > > > > 4 - create a folder called, i. e. Tuscany, and download the java
> > > > source
> > > > > executing the following commands:
> > > > >
> > > > > cd tuscany
> > > > >
> > > > > svn co https://svn.apache.org/repos/asf/incubator/tuscany/java
> > > > >
> > > > > It will probably ask you if you accept the secure connection,
than
> > > > allow
> > > > > it.
> > > > >
> > > > > 5 - Now, download the dependencies:
> > > > >
> > > > > cd java/das
> > > > >
> > > > > mvn
> > > > >
> > > > > The dependencies should be downloaded. Let us know if you get
any
> > > > build
> > > > > error on this part.
> > > > >
> > > > > 6 - Run Netbeans and select File >> New Project.... Select
> "General"
> > > > on
> > > > > categories and then "Java Project with Existing Sources" then
> click
> > on
> > > > > next
> > > > >
> > > > > 7 - Give a name to your project, i.e. "DAS", select its folder
and
> > > > click
> > > > > on
> > > > > next.
> > > > >
> > > > > 8 - Click on the first button "Add Folder..." and select the
> > following
> > > > > folders:
> > > > >
> > > > > Tuscany\java\das\rdb\src\main\java
> > > > >
> > > > > Tuscany\java\das\rdb\target\sdo-source
> > > > >
> > > > > Click on "Finish"
> > > > >
> > > > > 9 - Unpack the file
> Tuscany\java\das\distribution\binary\target\das-
> > > > > 1.0-incubator-SNAPSHOT-bin.zip in a folder, i.e. Lib.
> > > > >
> > > > > 10 - Right click on DAS project and select properties. Then
select
> > > > > libraries
> > > > > and click on "Add JAR/Folder". Select all the files the folder
> > > > > Lib\tuscany-
> > > > > das-1.0-incubator-SNAPSHOT\lib contains and click on "Open".
> > > > >
> > > > > 11 - Again select File >> New Project... select "Web" on
> categories
> > > > and
> > > > > "Web
> > > > > Application" then click on next.
> > > > >
> > > > > 12 - Give a name to your project, i.e. SimpleReadApp, select its
> > > > folder
> > > > > and
> > > > > click on finish.
> > > > >
> > > > > 13 - Right click on you SimpleReadApp project and select New >>
> > > > Servlet.
> > > > > Give a name to your servlet, i.e. CommandServlet and click on
> > finish.
> > > > A
> > > > > new
> > > > > .java file will be created in SimpleReadApp's Source Packages,
> open
> > it
> > > > and
> > > > > copy the CommandServlet class code in it.
> > > > >
> > > > > 14 - Right click on you SimpleReadApp project and select
> properties.
> > > > Then
> > > > > select libraries and click on "Add JAR/Folder". Select the file
> > > > > sdo-api-r2.1-1.0-incubator-20061220.211548-2.jar that resides
> inside
> > > > the
> > > > > Libs\tuscany-das-1.0-incubator-SNAPSHOT\lib folder and click on
> > > > "Open".
> > > > >
> > > > > 15 - On the same window click on "Add Project...", select the
DAS
> > > > project
> > > > > folder and click on open.
> > > > >
> > > > > Now you already have what is necessary to run and debug the
code.
> > > > Don't
> > > > > forget to do the adjustments for your dbms:
> > > > >
> > > > > - set the jdbc jar file
> > > > >
> > > > > - modify the sql statement according to your dbms pl/sql
> > > > >
> > > > > - modify the in getConnection method the jdbc driver class
> path,
> > > > the
> > > > > database path, user and password
> > > > >
> > > > > - create in your database having an table called "ITEM" that
has
> > an
> > > > > integer attribute called "ID". You must also insert at least an
> row
> > in
> > > > > this
> > > > > table.
> > > > >
> > > > > I expect you to debug this simple read app and see for
yourselves
> > > > which
> > > > > classes and methods are needed to implement the simple read app.
> > Then
> > > > pick
> > > > > the classes you want to implement and create a JIRA for it ; )
> > > > >
> > > > > Adriano Crestani
> > > > >
> > > > >
> > > > > On 2/9/07, Douglas Leite < [EMAIL PROTECTED]> wrote:
> > > > > >
> > > > > > Good ideia.... I´ll do it.
> > > > > >
> > > > > > On 2/9/07, Adriano Crestani < [EMAIL PROTECTED]>
wrote:
> > > > > > >
> > > > > > > I have an idea to make it more independent. Each one that
> wants
> > to
> > > >
> > > > > help
> > > > > > to
> > > > > > > implement this simple app, evaluate which class is intended
to
> > > > > implement
> > > > > > > and
> > > > > > > create a new JIRA for it. In this new JIRA should be
described
> > the
> > > >
> > > > > > classes
> > > > > > > and their methods that will be implemented. This way if
> someone
> > > > finish
> > > > > > to
> > > > > > > implement certain classes, he will be able to choose another
> > > > classes
> > > > > to
> > > > > > > implement, instead of waiting for others to finish their
> > classes.
> > > > I
> > > > > > think
> > > > > > > this way we may speed up the das c++ coding.
> > > > > > >
> > > > > > > Please, if a new JIRA is created report it here in this
> thread.
> > > > > > >
> > > > > > > Adriano Crestani
> > > > > > >
> > > > > > > On 2/8/07, Douglas Leite < [EMAIL PROTECTED]> wrote:
> > > > > > > >
> > > > > > > > Okay Adriano.... I will try to understand the simple
> > application
> > > >
> > > > > that
> > > > > > > > you´ve
> > > > > > > > posted, step by step, and after that I will choose some
> useful
> > > > > classes
> > > > > > > as
> > > > > > > > well as their essentials methods to run that application
in
> > C++.
> > > >
> > > > > > > >
> > > > > > > > Douglas S. Leite
> > > > > > > >
> > > > > > > > On 2/8/07, Adriano Crestani < [EMAIL PROTECTED]>
> > wrote:
> > > > > > > > >
> > > > > > > > > Yes Luciano, but I wasn't sure if there would be any
> problem
> > > > if
> > > > > the
> > > > > > > > config
> > > > > > > > > classes wouldn't be included. We will try to run it
> without
> > > > the
> > > > > > config
> > > > > > > > > classes though.
> > > > > > > > >
> > > > > > > > > Douglas, as I had assigned the config classes to you
just
> > pick
> > > > > some
> > > > > > > > > classes
> > > > > > > > > from those I've assigned to the others. Or if you have
> > another
> > > > > > > > suggestion
> > > > > > > > > in
> > > > > > > > > what you could be useful just let us know.
> > > > > > > > >
> > > > > > > > > Adriano Crestani
> > > > > > > > >
> > > > > > > > > On 2/8/07, Luciano Resende < [EMAIL PROTECTED] >
wrote:
> > > > > > > > > >
> > > > > > > > > > I'd agree with Kevin's suggestion, for a simple C++
> sample
> > > > > > > application
> > > > > > > > > > that
> > > > > > > > > > only performs a simple read, you shouldn't need the
> config
> > > > > > classes,
> > > > > > > > try
> > > > > > > > > to
> > > > > > > > > > do in C++ something simple as the java sample you just
> > > > posted
> > > > > > here.
> > > > > > > > > >
> > > > > > > > > > As for downloads, you only need to download the DAS
> > > > > distribution,
> > > > > > > that
> > > > > > > > > > will
> > > > > > > > > > contain all the SDO and other dependencies inside the
> zip.
> > > > For
> > > > > the
> > > > > > > new
> > > > > > > > > > people, I'd recommend using the stable M2
distributions,
> > > > > although
> > > > > > I
> > > > > > > > > think
> > > > > > > > > > SDO and DAS trunk code are stable and compiling fine.
> > > > > > > > > >
> > > > > > > > > > --
> > > > > > > > > > Luciano Resende
> > > > > > > > > > http://people.apache.org/~lresende
> > > > <http://people.apache.org/%7Elresende>
> > > > > > > > > >
> > > > > > > > > > On 2/8/07, Adriano Crestani <[EMAIL PROTECTED]>
> > > > wrote:
> > > > > > > > > > >
> > > > > > > > > > > A correction, there is need to download the das
also,
> > not
> > > > only
> > > > > > the
> > > > > > > > sdo
> > > > > > > > > > > .jar:
> > > > > > > > > > >
http://incubator.apache.org/tuscany/das_downloads.html
> > > > > > > > > > >
> > > > > > > > > > > On 2/8/07, Adriano Crestani <
> [EMAIL PROTECTED]>
> > > > wrote:
> > > > > > > > > > > >
> > > > > > > > > > > > Anyway, it simplified a lot the ap ; )
> > > > > > > > > > > >
> > > > > > > > > > > > On 2/8/07, Adriano Crestani <
> [EMAIL PROTECTED]
> > >
> > > > > wrote:
> > > > > > > > > > > > >
> > > > > > > > > > > > > Thanks a lot kevin ; ). But I think it look
likes
> > the
> > > > > first
> > > > > > > code
> > > > > > > > I
> > > > > > > > > > > > > posted, except by the assert you added.
> > > > > > > > > > > > >
> > > > > > > > > > > > > Adriano Crestani
> > > > > > > > > > > > >
> > > > > > > > > > > > > On 2/8/07, Kevin Williams < [EMAIL PROTECTED]>
> > wrote:
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > Your focus should probably be on the APIs your
> DAS
> > > > will
> > > > > > > > provide
> > > > > > > > > > the
> > > > > > > > > > > > > > user
> > > > > > > > > > > > > > whether that is from a servlet or some other
> > > > > caller. Here
> > > > > > > are
> > > > > > > > > the
> > > > > > > > > > > > > > Java
> > > > > > > > > > > > > > DAS apis from the simplest possible read in
the
> > test
> > > > > > suite:
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > /**
> > > > > > > > > > > > > > * Read a specific customer
> > > > > > > > > > > > > > */
> > > > > > > > > > > > > > public void testReadSingle() throws
> > > > Exception {
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > // Create and initialize command
to
> > read
> > > > > > > customers
> > > > > > > > > > > > > > DAS das = DAS.FACTORY.createDAS
> > > > > > > (getConnection());
> > > > > > > > > > > > > > Command readCustomers =
> > > > das.createCommand
> > > > > > > ("select
> > > > > > > > *
> > > > > > > > > > from
> > > > > > > > > > > > > > CUSTOMER where ID = 1");
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > // Read
> > > > > > > > > > > > > > DataObject root =
> > > > readCustomers.executeQuery
> > > > > > ();
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > // Verify
> > > > > > > > > > > > > > assertEquals(1, root.getInt
> > > > > > ("CUSTOMER[1]/ID"));
> > > > > > > > > > > > > > }
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > Notice that this example also does not allow
> > > > > parameterized
> > > > > > > > > > > queries. I
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > would make this simplifying assumption to get
> > > > something
> > > > > up
> > > > > > > and
> > > > > > > > > > > > > > running.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > I cannot help with the C++ equivalent of JDBC
> > > > Connection
> > > > > > but
> > > > > > > I
> > > > > > > > > am
> > > > > > > > > > > sure
> > > > > > > > > > > > > > there is something similar available.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > --
> > > > > > > > > > > > > > Kevin
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > Adriano Crestani wrote:
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > Good idea kelvin, but I'm begginer in
servlet
> > and
> > > > I
> > > > > > don't
> > > > > > > > know
> > > > > > > > > > > what
> > > > > > > > > > > > > > > would be
> > > > > > > > > > > > > > > the best way for the user to provide the
> > > > connection
> > > > > and
> > > > > > > sql.
> > > > > > > > > > > Though
> > > > > > > > > > > > > > I
> > > > > > > > > > > > > > > tried
> > > > > > > > > > > > > > > this:
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > import java.io.IOException;
> > > > > > > > > > > > > > > import java.sql.DriverManager ;
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > import javax.servlet.ServletException;
> > > > > > > > > > > > > > > import javax.servlet.http.HttpServlet;
> > > > > > > > > > > > > > > import javax.servlet.http.HttpServletRequest;
> > > > > > > > > > > > > > > import
javax.servlet.http.HttpServletResponse;
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > import org.apache.tuscany.das.rdb.Command;
> > > > > > > > > > > > > > > import org.apache.tuscany.das.rdb.DAS;
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > import commonj.sdo.DataObject;
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > public class CommandServlet extends
> HttpServlet
> > {
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > private static final long
serialVersionUID
> =
> > > > > > > > > > > > > > 1922159305255311505L;
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > public CommandServlet() {}
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > protected void doGet(HttpServletRequest
> arg0,
> > > > > > > > > > > HttpServletResponse
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > arg1)
> > > > > > > > > > > > > > > throws ServletException, IOException {
> > > > > > > > > > > > > > > DataObject items =
> test(getConnection(),
> > > > > "SELECT
> > > > > > id
> > > > > > > > > FROM
> > > > > > > > > > > item
> > > > > > > > > > > > > > > WHERE
> > > > > > > > > > > > > > > id = 1;");
> > > > > > > > > > > > > > > System.out.println("id = " +
> items.getInt
> > > > > > > > > ("ITEM[1]/ID"));
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > public DataObject test(
> > java.sql.Connectionconn,
> > > > > > String
> > > > > > > > > > > readSql)
> > > > > > > > > > > > > > {
> > > > > > > > > > > > > > > DAS das = DAS.FACTORY.createDAS(conn);
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > Command command = das.createCommand
();
> > > > > > > > > > > > > > > DataObject allItems =
> > command.executeQuery
> > > > ();
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > return allItems;
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > Adriano Crestani
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > On 2/8/07, Kevin Williams <
[EMAIL PROTECTED]>
> > > > wrote:
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >> You could actually start significantly
> simpler
> > by
> > > > > > making
> > > > > > > > the
> > > > > > > > > > > > > > following
> > > > > > > > > > > > > > >> assumptions:
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >> 1. Read of a single table
> > > > > > > > > > > > > > >> 2. User provides SQL programatically
> > > > > > > > > > > > > > >> 3. User provides Connection
> programatically
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >> With these restrictions you can get
something
> > > > useful
> > > > > > > > working
> > > > > > > > > > > > > > without the
> > > > > > > > > > > > > > >> classes required for config-file support.
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >> --
> > > > > > > > > > > > > > >> Kevin
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >> Adriano Crestani wrote:
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >> > Luciano suggested to implement at first,
> the
> > > > > > necessary
> > > > > > > > > > classes
> > > > > > > > > > > to
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > >> > create a
> > > > > > > > > > > > > > >> > simple app that only reads from a
database
> > > > using
> > > > > the
> > > > > > > das
> > > > > > > > > c++.
> > > > > > > > > > I
> > > > > > > > > > > > > > was
> > > > > > > > > > > > > > >> > checking
> > > > > > > > > > > > > > >> > on the das java that these classes below
> are
> > > > > > essential
> > > > > > > to
> > > > > > > > > > > create
> > > > > > > > > > > > > > this
> > > > > > > > > > > > > > >> > app.
> > > > > > > > > > > > > > >> >
> > > > > > > > > > > > > > >> > DAS
> > > > > > > > > > > > > > >> > DASFactory
> > > > > > > > > > > > > > >> > DASImpl
> > > > > > > > > > > > > > >> > ConfigFactory
> > > > > > > > > > > > > > >> > ConfigFactoryImpl
> > > > > > > > > > > > > > >> > Config
> > > > > > > > > > > > > > >> > MappingWrapper
> > > > > > > > > > > > > > >> > config.Command
> > > > > > > > > > > > > > >> > ReadCommandImpl
> > > > > > > > > > > > > > >> > Command
> > > > > > > > > > > > > > >> > CommandImpl
> > > > > > > > > > > > > > >> > ConnectionInfo
> > > > > > > > > > > > > > >> >
> > > > > > > > > > > > > > >> >
> > > > > > > > > > > > > > >> > All these classes may be found in das
java.
> > I'm
> > > >
> > > > > > needing
> > > > > > > > > some
> > > > > > > > > > > > > > >> > volunteers to
> > > > > > > > > > > > > > >> > help implement these classes in c++.
> > Actually,
> > > > > these
> > > > > > > > > classes
> > > > > > > > > > > are
> > > > > > > > > > > > > > >> > implemented, but are not compiling yet.
So
> we
> > > > need
> > > > > > > these
> > > > > > > > > > > classes
> > > > > > > > > > > > > > >> > compiling
> > > > > > > > > > > > > > >> > and implement a simple read app with
these
> > > > classes.
> > > > > > > > > > > > > > >> >
> > > > > > > > > > > > > > >> > Any suggestion will be appreciated.
> > > > > > > > > > > > > > >> >
> > > > > > > > > > > > > > >> > Adriano Crestani
> > > > > > > > > > > > > > >> >
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > > >>
> > > > > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > >
> > > > >
> > ---------------------------------------------------------------------
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> > > > > > > > [EMAIL PROTECTED]
> > > > > > > > > > > > > > >> For additional commands, e-mail:
> > > > > > > > > [EMAIL PROTECTED]
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> > > > > > > > > > > > > >
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> > > > > > > >
> > > > >
> > ---------------------------------------------------------------------
> > > > > > > > > > > > > > To unsubscribe, e-mail:
> > > > > > > [EMAIL PROTECTED]
> > > > > > > > > > > > > > For additional commands, e-mail:
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>
