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weaving

Weaving​

Static weaving​

Static weaving is the process of enhancing the classes of a persistence unit at build time. This is done by the EclipseLink static weaver. The static weaver is a Java agent that is called by the JVM when the application is started. The static weaver is configured by adding the following JVM arguments:

<build>
    <plugins>
        <plugin>
            <artifactId>eclipselink-staticweave-maven-plugin</artifactId>
            <groupId>au.com.alderaan</groupId>
            <version>1.0.4</version>
            <executions>
                <execution>
                    <goals>
                        <goal>weave</goal>
                    </goals>
                    <phase>process-classes</phase>
                    <configuration>
                        <logLevel>FINE</logLevel>
                        <includeProjectClasspath>true</includeProjectClasspath>
                    </configuration>
                </execution>
            </executions>
            <dependencies>
                <dependency>
                    <groupId>org.eclipse.persistence</groupId>
                    <artifactId>eclipselink</artifactId>
                    <version>4.0.2</version>
                </dependency>
            </dependencies>
        </plugin>

Configuration​

Dans le fichier persistence.xml, il faut ajouter la propriété suivante :

<property name="eclipselink.weaving" value="static"/>