001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.geronimo.naming.reference; 019 020 import java.util.Map; 021 022 import javax.naming.NameNotFoundException; 023 024 import org.apache.geronimo.kernel.repository.Artifact; 025 import org.apache.geronimo.kernel.Kernel; 026 import org.apache.geronimo.kernel.GBeanNotFoundException; 027 import org.apache.geronimo.gbean.AbstractNameQuery; 028 import org.apache.geronimo.gbean.AbstractName; 029 030 /** 031 * @version $Rev: 534748 $ $Date: 2007-05-03 04:07:09 -0400 (Thu, 03 May 2007) $ 032 */ 033 public class PersistenceContextReference extends ConfigurationAwareReference { 034 035 private boolean transactionScoped; 036 private Map properties; 037 038 public PersistenceContextReference(Artifact[] configId, AbstractNameQuery abstractNameQuery, boolean transactionScoped, Map properties) { 039 super(configId, abstractNameQuery); 040 this.transactionScoped = transactionScoped; 041 this.properties = properties; 042 } 043 044 public String getClassName() { 045 return "javax.persistence.EntityManager"; 046 } 047 048 public Object getContent() throws NameNotFoundException { 049 Kernel kernel = getKernel(); 050 051 AbstractName target; 052 try { 053 target = resolveTargetName(); 054 } catch (GBeanNotFoundException e) { 055 throw (NameNotFoundException) new NameNotFoundException("Could not resolve name query: " + abstractNameQueries).initCause(e); 056 } 057 058 Object entityManager; 059 try { 060 entityManager = kernel.invoke(target, "getEntityManager", new Object[] {Boolean.valueOf(transactionScoped), properties}, new String[] {boolean.class.getName(), Map.class.getName()}); 061 } catch (Exception e) { 062 throw (IllegalStateException) new IllegalStateException("Could not get entityManager").initCause(e); 063 } 064 if (entityManager == null) { 065 throw new IllegalStateException("entity manager not returned. Target " + target + " not started"); 066 } 067 return entityManager; 068 } 069 }