| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 WARRANTIESOR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.aries.jpa.container.impl; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.persistence.EntityManagerFactory; |
| import javax.persistence.spi.PersistenceProvider; |
| import javax.persistence.spi.PersistenceUnitTransactionType; |
| import javax.sql.DataSource; |
| |
| import org.apache.aries.jpa.container.parser.impl.PersistenceUnit; |
| import org.osgi.service.jpa.EntityManagerFactoryBuilder; |
| |
| /** |
| * FIXME We are currently not configuring a DataSource for the persistence unit. |
| * It still works in the tests as the DataSource is defined in the DataSourceTracker or DSFTracker. |
| * This not fully correct though. |
| */ |
| public class AriesEntityManagerFactoryBuilder implements EntityManagerFactoryBuilder { |
| private static final String JAVAX_PERSISTENCE_JDBC_DRIVER = "javax.persistence.jdbc.driver"; |
| private static final String JAVAX_PERSISTENCE_JTA_DATASOURCE = "javax.persistence.jtaDataSource"; |
| private static final String JAVAX_PERSISTENCE_NON_JTA_DATASOURCE = "javax.persistence.nonJtaDataSource"; |
| private static final String JAVAX_PERSISTENCE_TX_TYPE = "javax.persistence.transactionType"; |
| |
| private PersistenceProvider provider; |
| private PersistenceUnit persistenceUnit; |
| private String driver; |
| |
| |
| public AriesEntityManagerFactoryBuilder(PersistenceProvider provider, PersistenceUnit persistenceUnit) { |
| this.provider = provider; |
| this.persistenceUnit = persistenceUnit; |
| this.driver = (String)persistenceUnit.getProperties().get(JAVAX_PERSISTENCE_JDBC_DRIVER); |
| } |
| |
| @Override |
| public EntityManagerFactory createEntityManagerFactory(Map<String, Object> props) { |
| props = new HashMap<String, Object>(props); |
| |
| String newDriver = (String)props.get(JAVAX_PERSISTENCE_JDBC_DRIVER); |
| if (driver == null) { |
| driver = newDriver; |
| } else if (newDriver != null && !newDriver.equals(driver)){ |
| throw new IllegalArgumentException("Can not rebind to a different database driver"); |
| } |
| |
| // Handle overridden datasources in a provider agnostic way |
| // This isn't necessary for EclipseLink, but Hibernate and |
| // OpenJPA both need some extra help. |
| Object o = props.get(JAVAX_PERSISTENCE_JTA_DATASOURCE); |
| if(o instanceof DataSource) { |
| persistenceUnit.setJtaDataSource((DataSource) o); |
| props.remove(JAVAX_PERSISTENCE_JTA_DATASOURCE); |
| } |
| |
| o = props.get(JAVAX_PERSISTENCE_NON_JTA_DATASOURCE); |
| if(o instanceof DataSource) { |
| persistenceUnit.setNonJtaDataSource((DataSource) o); |
| props.remove(JAVAX_PERSISTENCE_NON_JTA_DATASOURCE); |
| } |
| |
| o = props.get(JAVAX_PERSISTENCE_TX_TYPE); |
| if(o instanceof PersistenceUnitTransactionType) { |
| persistenceUnit.setTransactionType((PersistenceUnitTransactionType) o); |
| } else if (o instanceof String) { |
| persistenceUnit.setTransactionType( |
| PersistenceUnitTransactionType.valueOf((String) o)); |
| } |
| |
| return provider.createContainerEntityManagerFactory(persistenceUnit, props); |
| } |
| |
| } |