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From "Pinaki Poddar (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-1622) Invoking MetaModel generator
Date Fri, 09 Apr 2010 15:37:50 GMT
Invoking MetaModel generator
----------------------------

                 Key: OPENJPA-1622
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1622
             Project: OpenJPA
          Issue Type: Improvement
          Components: build / infrastructure, jpa, tooling
    Affects Versions: 2.0.0, 2.0.1, 2.1.0
            Reporter: Pinaki Poddar
            Assignee: Pinaki Poddar
             Fix For: 2.1.0


1. Use service discovery mechanism to invoke annotation processor for metamodel generation
2. Provide a activation switch -Aopenjpa.generate=true such that the user must enable the
switch to generate these metamodel classes besides having openjpa.jar in classpath. 


Target usage patterns

A. Using command lines

  $ javac -cp /path/to/openjpa.jar -Aopenjpa.generate=true src/org/acme/Foo.java

B. Using Eclipse  IDE
     In 'Configure Annotation Processor Dialog'
    -- set  openjpa.generate to 'true'
    -- include openjpa jar in  factory path 

C. Using Ant
    <javac .....
        <classpath refid="openjpa.jar"/>
        <compilerarg value="-Aopenjpa.generate=true"/>
    </javac>



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