Provide Maven task for Datanucleus enhancements

[GoogleCodeExporter]

Provide Maven task for Datanucleus enhancements

Original issue reported on code.google.com by marceloverdijk on 17 Dec 2012 at 10:13

[GoogleCodeExporter]

I'm going to look into what we can do for Datanucleus, definitely an Archetype, 
and I'll look into what else we can do to make it easy to use.

Original comment by matts...@google.com on 18 Dec 2012 at 8:14

• Changed state: Accepted

[GoogleCodeExporter]

Original comment by matts...@google.com on 18 Dec 2012 at 8:14

• Added labels: Type-Enhancement
• Removed labels: Type-Defect

[GoogleCodeExporter]

Check out the appengine:enhancer goal and see if that does what you want.

Original comment by matts...@google.com on 21 Mar 2013 at 6:17

• Changed state: Fixed

[GoogleCodeExporter]

Can the enhancer goal also be executed part of the devserver and update targets?

Original comment by marceloverdijk on 30 Mar 2013 at 5:04

[GoogleCodeExporter]

This works:

<plugin>
    <groupId>com.google.appengine</groupId>
    <artifactId>appengine-maven-plugin</artifactId>
    <version>${com.google.appengine.version}</version>
    <configuration>
        <disableUpdateCheck>true</disableUpdateCheck>
        <jvmFlags>
            <jvmFlag>-javaagent:${env.REBEL_HOME}/jrebel.jar</jvmFlag>
            <jvmFlag>-Ddatastore.backing_store=${project.basedir}/local_db.bin</jvmFlag>
            <jvmFlag>-Ddatastore.default_high_rep_job_policy_unapplied_job_pct=20</jvmFlag>
        </jvmFlags>
        <useJava7>true</useJava7>
    </configuration>
    <executions>
        <execution>
            <phase>compile</phase>
            <goals>
                <goal>enhance</goal>
            </goals>
        </execution>
    </executions>
</plugin>

Original comment by marceloverdijk on 2 Apr 2013 at 1:22

[GoogleCodeExporter]

Maybe good to note that when you are using the aspectj-maven-plugin in your 
project, this plugin needs to be defined before the appengine-maven-plugin in 
the <plugins> section. Otherwise the aspectj-maven-plugin overrides the 
enhanced 'datanucleus' classes.

Original comment by marceloverdijk on 4 Apr 2013 at 7:24

[GoogleCodeExporter]

Alternatively hook the enhance goal into the process-classes lifecycle:

<phase>process-classes</phase>

Original comment by marceloverdijk on 4 Apr 2013 at 12:26