001    // Copyright 2007, 2008 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.tynamo.jpa.internal;
016    
017    import org.tynamo.jpa.JPAEntityManagerSource;
018    import org.apache.tapestry5.ioc.services.RegistryShutdownListener;
019    import org.slf4j.Logger;
020    
021    import javax.persistence.EntityManager;
022    import javax.persistence.EntityManagerFactory;
023    import javax.persistence.Persistence;
024    
025    public class JPAEntityManagerSourceImpl implements JPAEntityManagerSource, RegistryShutdownListener {
026            private final EntityManagerFactory entityManagerFactory;
027    
028            public JPAEntityManagerSourceImpl(Logger logger, String persistenceUnit) {
029                    long startTime = System.currentTimeMillis();
030    
031                    long configurationComplete = System.currentTimeMillis();
032    
033                    entityManagerFactory = Persistence.createEntityManagerFactory(persistenceUnit);
034    
035                    long factoryCreated = System.currentTimeMillis();
036    
037                    logger.info(JPACoreMessages.startupTiming(configurationComplete - startTime, factoryCreated - startTime));
038    
039                    // logger.info(JPACoreMessages.entityCatalog(sessionFactory.getAllClassMetadata().keySet()));
040            }
041    
042            public EntityManager create() {
043                    return entityManagerFactory.createEntityManager();
044            }
045    
046            public EntityManagerFactory getEntityManagerFactory() {
047                    return entityManagerFactory;
048            }
049    
050            public void registryDidShutdown() {
051                    entityManagerFactory.close();
052            }
053    }