datanucleus enhancer maven build plugin example

pom

      <!-- Need to use 1.6 target, datanucleus enhancer does not support 1.7 (http://www.jpox.org/servlet/jira/browse/NUCMAVEN-26) -->
<!--
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <source>1.6</source>
          <target>1.6</target>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.datanucleus</groupId>
        <artifactId>maven-datanucleus-plugin</artifactId>
        <version>3.0.1</version>
        <configuration>
          <api>JDO</api>
          <log4jConfiguration>${basedir}/log4j.properties</log4jConfiguration>
          <verbose>true</verbose>
          <props>${basedir}/datanucleus.properties</props>
        </configuration>
        <executions>
          <execution>
            <phase>process-classes</phase>
            <goals>
              <goal>enhance</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
-->