Added cleanup (preDestroy) method to student example
diff --git a/jpars/student/student.web/src/main/java/eclipselink/example/jpars/student/web/WeaverBean.java b/jpars/student/student.web/src/main/java/eclipselink/example/jpars/student/web/WeaverBean.java
index 4813aae..d81923d 100644
--- a/jpars/student/student.web/src/main/java/eclipselink/example/jpars/student/web/WeaverBean.java
+++ b/jpars/student/student.web/src/main/java/eclipselink/example/jpars/student/web/WeaverBean.java
@@ -12,11 +12,16 @@
******************************************************************************/
package eclipselink.example.jpars.student.web;
+import java.util.ServiceLoader;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceUnit;
+import javax.annotation.PreDestroy;
+import org.eclipse.persistence.jpa.rs.PersistenceContextFactory;
+import org.eclipse.persistence.jpa.rs.PersistenceContextFactoryProvider;
+
/**
* Forces weaving of persistence units
*
@@ -26,4 +31,20 @@
public class WeaverBean {
@PersistenceUnit(unitName = "jpars_example_student")
private EntityManagerFactory emf;
+
+ /**
+ * Clean up.
+ */
+ @PreDestroy
+ public void preDestroy() {
+ ServiceLoader<PersistenceContextFactoryProvider> persistenceContextFactoryProviderLoader =
+ ServiceLoader.load(PersistenceContextFactoryProvider.class, Thread.currentThread().getContextClassLoader());
+
+ for (PersistenceContextFactoryProvider persistenceContextFactoryProvider : persistenceContextFactoryProviderLoader) {
+ PersistenceContextFactory persistenceContextFactory = persistenceContextFactoryProvider.getPersistenceContextFactory(null);
+ if (persistenceContextFactory != null) {
+ persistenceContextFactory.close();
+ }
+ }
+ }
}
