Java Code Examples for javax.persistence.spi.PersistenceProvider#createEntityManagerFactory()

/**
 * Initialize the EntityManagerFactory for the given configuration.
 * @throws javax.persistence.PersistenceException in case of JPA initialization errors
 */
@Override
protected EntityManagerFactory createNativeEntityManagerFactory() throws PersistenceException {
	if (logger.isDebugEnabled()) {
		logger.debug("Building JPA EntityManagerFactory for persistence unit '" + getPersistenceUnitName() + "'");
	}
	PersistenceProvider provider = getPersistenceProvider();
	if (provider != null) {
		// Create EntityManagerFactory directly through PersistenceProvider.
		EntityManagerFactory emf = provider.createEntityManagerFactory(getPersistenceUnitName(), getJpaPropertyMap());
		if (emf == null) {
			throw new IllegalStateException(
					"PersistenceProvider [" + provider + "] did not return an EntityManagerFactory for name '" +
					getPersistenceUnitName() + "'");
		}
		return emf;
	}
	else {
		// Let JPA perform its standard PersistenceProvider autodetection.
		return Persistence.createEntityManagerFactory(getPersistenceUnitName(), getJpaPropertyMap());
	}
}
 

/**
 * Initialize the EntityManagerFactory for the given configuration.
 * @throws javax.persistence.PersistenceException in case of JPA initialization errors
 */
@Override
protected EntityManagerFactory createNativeEntityManagerFactory() throws PersistenceException {
	if (logger.isDebugEnabled()) {
		logger.debug("Building JPA EntityManagerFactory for persistence unit '" + getPersistenceUnitName() + "'");
	}
	PersistenceProvider provider = getPersistenceProvider();
	if (provider != null) {
		// Create EntityManagerFactory directly through PersistenceProvider.
		EntityManagerFactory emf = provider.createEntityManagerFactory(getPersistenceUnitName(), getJpaPropertyMap());
		if (emf == null) {
			throw new IllegalStateException(
					"PersistenceProvider [" + provider + "] did not return an EntityManagerFactory for name '" +
					getPersistenceUnitName() + "'");
		}
		return emf;
	}
	else {
		// Let JPA perform its standard PersistenceProvider autodetection.
		return Persistence.createEntityManagerFactory(getPersistenceUnitName(), getJpaPropertyMap());
	}
}
 

/**
 * Initialize the EntityManagerFactory for the given configuration.
 * @throws javax.persistence.PersistenceException in case of JPA initialization errors
 */
@Override
protected EntityManagerFactory createNativeEntityManagerFactory() throws PersistenceException {
	if (logger.isInfoEnabled()) {
		logger.info("Building JPA EntityManagerFactory for persistence unit '" + getPersistenceUnitName() + "'");
	}
	PersistenceProvider provider = getPersistenceProvider();
	if (provider != null) {
		// Create EntityManagerFactory directly through PersistenceProvider.
		EntityManagerFactory emf = provider.createEntityManagerFactory(getPersistenceUnitName(), getJpaPropertyMap());
		if (emf == null) {
			throw new IllegalStateException(
					"PersistenceProvider [" + provider + "] did not return an EntityManagerFactory for name '" +
					getPersistenceUnitName() + "'");
		}
		return emf;
	}
	else {
		// Let JPA perform its standard PersistenceProvider autodetection.
		return Persistence.createEntityManagerFactory(getPersistenceUnitName(), getJpaPropertyMap());
	}
}
 

/**
 * Create and return an EntityManagerFactory for the named persistence unit
 * using the given properties.
 * 
 * @param persistenceUnitName
 *            the name of the persistence unit
 * @param properties
 *            Additional properties to use when creating the factory. 
 *            These properties may include properties to control
 *            schema generation.  The values of these properties override 
 *            any values that may have been configured elsewhere.
 * @return the factory that creates EntityManagers configured according to
 *         the specified persistence unit.
 */
public static EntityManagerFactory createEntityManagerFactory(String persistenceUnitName, Map properties) {

    EntityManagerFactory emf = null;
    PersistenceProviderResolver resolver = PersistenceProviderResolverHolder.getPersistenceProviderResolver();

    List<PersistenceProvider> providers = resolver.getPersistenceProviders();

    for (PersistenceProvider provider : providers) {
        emf = provider.createEntityManagerFactory(persistenceUnitName, properties);
        if (emf != null) {
            break;
        }
    }
    if (emf == null) {
        throw new PersistenceException("No Persistence provider for EntityManager named " + persistenceUnitName);
    }
    return emf;
}
 

/**
 * Initialize the EntityManagerFactory for the given configuration.
 * @throws javax.persistence.PersistenceException in case of JPA initialization errors
 */
@Override
protected EntityManagerFactory createNativeEntityManagerFactory() throws PersistenceException {
	if (logger.isInfoEnabled()) {
		logger.info("Building JPA EntityManagerFactory for persistence unit '" + getPersistenceUnitName() + "'");
	}
	PersistenceProvider provider = getPersistenceProvider();
	if (provider != null) {
		// Create EntityManagerFactory directly through PersistenceProvider.
		EntityManagerFactory emf = provider.createEntityManagerFactory(getPersistenceUnitName(), getJpaPropertyMap());
		if (emf == null) {
			throw new IllegalStateException(
					"PersistenceProvider [" + provider + "] did not return an EntityManagerFactory for name '" +
					getPersistenceUnitName() + "'");
		}
		return emf;
	}
	else {
		// Let JPA perform its standard PersistenceProvider autodetection.
		return Persistence.createEntityManagerFactory(getPersistenceUnitName(), getJpaPropertyMap());
	}
}
 

/** {@inheritDoc} */
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public EntityManagerFactory createEntityManagerFactory(final String unit, final Map map) {
	initJpaCounter();
	final PersistenceProvider persistenceProvider = findDelegate(map);
	final ClassLoader tccl = tccl();

	final ClassLoader hack = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { // pour findbugs
		/** {@inheritDoc} */
		@Override
		public ClassLoader run() {
			return new JpaOverridePersistenceXmlClassLoader(tccl,
					persistenceProvider.getClass().getName());
		}
	});

	Thread.currentThread().setContextClassLoader(hack);
	try {
		final Map overridenMap = new HashMap();
		if (map != null) {
			overridenMap.putAll(map);
		}
		// #869 No Persistence provider for EntityManager, with Hibernate 5.4 & JPA
		// (when JpaOverridePersistenceXmlClassLoader is not enough)
		overridenMap.put(JPA_PERSISTENCE_PROVIDER, persistenceProvider.getClass().getName());
		final EntityManagerFactory entityManagerFactory = persistenceProvider
				.createEntityManagerFactory(unit, overridenMap);
		if (entityManagerFactory == null) {
			return null;
		}
		return JpaWrapper.createEntityManagerFactoryProxy(entityManagerFactory);
	} finally {
		Thread.currentThread().setContextClassLoader(tccl);
	}
}
 

private EntityManagerFactory getEntityManagerFactory() {
	if ( emf == null ) {
		Bundle thisBundle = FrameworkUtil.getBundle( HibernateUtil.class );
		// Could get this by wiring up OsgiTestBundleActivator as well.
		BundleContext context = thisBundle.getBundleContext();

		ServiceReference serviceReference = context.getServiceReference( PersistenceProvider.class.getName() );
		PersistenceProvider persistenceProvider = (PersistenceProvider) context.getService( serviceReference );

		emf = persistenceProvider.createEntityManagerFactory( "unmanaged-jpa", null );
	}
	return emf;
}