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Re: [m2e-users] JPA 2 metamodel Generation 
Created user story for this

https://issues.sonatype.org/browse/MNGECLIPSE-2761

Somebody still has to come up with the actual implementation ;-)

--
Regards,
Igor

On 11-01-21 10:57 AM, Naresh Bhatia wrote:

I am not a maven expert, so could you please explain your comment a bit
so I can enter an enhancement request. As far as I know, annotation
processing is supported out-of-the-box by JDK 6 - maven-compiler-plugin
simply has to invoke the compiler. That's how my project is working
correctly from the command line - all I have done is added a dependency
to hibernate-jpamodelgen (which is an annotation processor) and the
compiler takes care of the rest. But may be I am confused!

Naresh

On Fri, Jan 21, 2011 at 9:56 AM, Igor Fedorenko <igor@xxxxxxxxxxxxxx
<mailto:igor@xxxxxxxxxxxxxx>> wrote:

    Interesting... apparently maven-compiler-plugin does support annotation
    processing out of the box. Feel free to open enhancement request to add
    this to m2e, but somebody will have to provide a quality patch for this
    to happen before m2e 1.0. It should be possible to add this support via
    external m2e extension, so the patch does not have to change the core.

    --
    Regards,
    Igor


    On 11-01-21 04:30 AM, Naresh Bhatia wrote:

        Igor,

        I am attaching a complete standalone example. Just run mvn test
        from the
        command line and everything works fine - you will see generated code
        in target\generated-sources. However if you bring up the project in
        Eclipse, the ArtistRepository class will have two errors because the
        generated code is not visible.

        Thanks.
        Naresh


        On Thu, Jan 20, 2011 at 10:23 PM, Igor Fedorenko
        <igor@xxxxxxxxxxxxxx <mailto:igor@xxxxxxxxxxxxxx>
        <mailto:igor@xxxxxxxxxxxxxx <mailto:igor@xxxxxxxxxxxxxx>>> wrote:

            Complete standalone sample project would be useful here.

            I am guessing somebody will have to develop what we call
        "project
            configurator" before this will work inside m2e, but I want
        to make sure
            I am not missing anything.

            --
            Regards,
            Igor


            On 11-01-20 09:59 PM, Naresh Bhatia wrote:

                I need to generate the JPA 2 metamodel for the entities
        in my
                project.
                After adding the following dependency, maven stared
        generating the
                metamodel quite easily from the command line:

        <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-jpamodelgen</artifactId>
        <version>1.1.1.Final</version>
        </dependency>

                However, the corresponding Eclipse project (generated using
                m2eclipse)
                does not seem to generate sources. I tried to update the
        project
                configuration through Eclipse, but that did not work.
        What do I
                need to
                do to make this work in m2eclipse?

                Reading the instructions
        <http://docs.jboss.org/hibernate/jpamodelgen/1.0/reference/en-US/html_single/#d0e319>

                at the hibernate site, I tried to enable annotation
        processing
                and add
                the Hibernate Metamodel Generator to the factory path.
        This started
                generating the metamodel, but Eclipse started going into
        an infinite
                loop trying to compile the sources. So this didn't work
        either.

                Can someone please help me with this issue? I am using
        m2eclipse
                version
                0.12.1.

                Thanks.
                Naresh



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