/*
* Copyright 2004-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.compass.gps.device.jpa.extractor;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import org.compass.gps.device.jpa.JpaGpsDeviceException;
import org.jboss.ejb3.entity.InjectedEntityManagerFactory;
/**
* @author kimchy
*/
public class JBossNativeJpaExtractor implements NativeJpaExtractor {
/**
* Extracts the native entity manager factory from a managed JBoss one. If JBoss
* has not wrapped the factory, will return it as is.
*
* @param entityManagerFactory The (possibly) managed JBoss entity manager factory
* @return The native entity manager factory
* @throws org.compass.gps.device.jpa.JpaGpsDeviceException
*
*/
public EntityManagerFactory extractNative(EntityManagerFactory entityManagerFactory) throws JpaGpsDeviceException {
if (entityManagerFactory instanceof InjectedEntityManagerFactory) {
return ((InjectedEntityManagerFactory) entityManagerFactory).getDelegate();
}
return entityManagerFactory;
}
public EntityManager extractNative(EntityManager entityManager) throws JpaGpsDeviceException {
return entityManager;
}
}