File	Doc	Category	Size	Date	Package
EntityManagerFactoryWrapper.java	API Doc	Glassfish v2 API	7435	Fri May 04 22:35:58 BST 2007	com.sun.enterprise.util

EntityManagerFactoryWrapper

• java.lang.Object

Fields Summary
static Logger	_logger
private static LocalStringManagerImpl	localStrings
private String	unitName
private transient EntityManagerFactory	entityManagerFactory

Constructors Summary
public EntityManagerFactoryWrapper(com.sun.enterprise.deployment.types.EntityManagerFactoryReference referenceDescriptor) unitName = referenceDescriptor.getUnitName();

Methods Summary
public void	close() getDelegate().close();
public javax.persistence.EntityManager	createEntityManager() return getDelegate().createEntityManager();
public javax.persistence.EntityManager	createEntityManager(java.util.Map map) return getDelegate().createEntityManager(map);
private javax.persistence.EntityManagerFactory	getDelegate() if( entityManagerFactory == null ) { entityManagerFactory = lookupEntityManagerFactory(unitName); if( entityManagerFactory == null ) { throw new IllegalStateException ("Unable to retrieve EntityManagerFactory for unitName " + unitName); } } return entityManagerFactory;
public boolean	isOpen() return getDelegate().isOpen();
static javax.persistence.EntityManagerFactory	lookupEntityManagerFactory(java.lang.String emfUnitName) Lookup physical EntityManagerFactory based on current component invocation. param emfUnitName unit name of entity manager factory or null if not specified. return EntityManagerFactory or null if no matching factory could be found. InvocationManager invMgr = Switch.getSwitch().getInvocationManager(); ComponentInvocation inv = invMgr.getCurrentInvocation(); EntityManagerFactory emf = null; if( inv != null ) { Object descriptor = Switch.getSwitch().getDescriptorFor(inv.getContainerContext()); emf = lookupEntityManagerFactory(inv.getInvocationType(), emfUnitName, descriptor); } return emf;
public static javax.persistence.EntityManagerFactory	lookupEntityManagerFactory(int invType, java.lang.String emfUnitName, java.lang.Object descriptor) Application app = null; BundleDescriptor module = null; EntityManagerFactory emf = null; switch (invType) { case ComponentInvocation.EJB_INVOCATION: EjbDescriptor ejbDesc = (EjbDescriptor) descriptor; module = ejbDesc.getEjbBundleDescriptor(); app = module.getApplication(); break; case ComponentInvocation.SERVLET_INVOCATION: module = (WebBundleDescriptor) descriptor; app = module.getApplication(); break; case ComponentInvocation.APP_CLIENT_INVOCATION: module = (ApplicationClientDescriptor) descriptor; app = module.getApplication(); break; default: break; } // First check module-level for a match. if (module != null) { if (emfUnitName != null) { emf = module.getEntityManagerFactory(emfUnitName); } else { Set<EntityManagerFactory> emFactories = module .getEntityManagerFactories(); if (emFactories.size() == 1) { emf = emFactories.iterator().next(); } } } // If we're in an .ear and no module-level persistence unit was // found, check for an application-level match. if ((app != null) && (emf == null)) { if (emfUnitName != null) { emf = app.getEntityManagerFactory(emfUnitName, module); } else { Set<EntityManagerFactory> emFactories = app .getEntityManagerFactories(); if (emFactories.size() == 1) { emf = emFactories.iterator().next(); } } } return emf;