001 /* 002 * Copyright 2002-2005 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017 package org.jencks.factory; 018 019 import java.util.Collection; 020 import java.util.Map; 021 022 import javax.transaction.xa.XAException; 023 024 import org.apache.geronimo.transaction.ExtendedTransactionManager; 025 import org.apache.geronimo.transaction.context.TransactionContextManager; 026 import org.apache.geronimo.transaction.log.UnrecoverableLog; 027 import org.apache.geronimo.transaction.manager.TransactionLog; 028 import org.apache.geronimo.transaction.manager.TransactionManagerImpl; 029 import org.apache.geronimo.transaction.manager.XidImporter; 030 import org.springframework.beans.factory.FactoryBean; 031 import org.springframework.beans.factory.InitializingBean; 032 import org.springframework.context.ApplicationContext; 033 import org.springframework.context.ApplicationContextAware; 034 035 /** 036 * This FactoryBean creates and configures the TransactionManagerContext 037 * of Geronimo. 038 * 039 * @author Thierry Templier 040 * @see org.apache.geronimo.transaction.log.UnrecoverableLog 041 * @see org.apache.geronimo.transaction.log.HOWLLog 042 */ 043 public class TransactionContextManagerFactoryBean implements FactoryBean, InitializingBean, ApplicationContextAware { 044 045 private XidImporter xidImporter; 046 private ExtendedTransactionManager transactionManager; 047 private ApplicationContext applicationContext; 048 private TransactionContextManager transactionContextManager; 049 private int defaultTransactionTimeoutSeconds = 600; 050 private TransactionLog transactionLog; 051 private Collection resourceManagers; 052 053 public Object getObject() throws Exception { 054 return transactionContextManager; 055 } 056 057 public Class getObjectType() { 058 return TransactionContextManager.class; 059 } 060 061 public boolean isSingleton() { 062 return true; 063 } 064 065 public void setApplicationContext(ApplicationContext applicationContext) { 066 this.applicationContext = applicationContext; 067 } 068 069 public ExtendedTransactionManager getTransactionManager() throws XAException { 070 if (transactionManager == null) { 071 Map map = applicationContext.getBeansOfType(ExtendedTransactionManager.class); 072 if (map.size() > 1) { 073 throw new IllegalStateException("only one ExtendedTransactionManager can be registered"); 074 } else if (map.size() == 1) { 075 transactionManager = (ExtendedTransactionManager) map.values().iterator().next(); 076 } else { 077 transactionManager = new TransactionManagerImpl(getDefaultTransactionTimeoutSeconds(), getTransactionLog(), getResourceManagers()); 078 } 079 } 080 return transactionManager; 081 } 082 083 public void setTransactionManager(ExtendedTransactionManager transactionManager) { 084 this.transactionManager = transactionManager; 085 } 086 087 public XidImporter getXidImporter() throws XAException { 088 if (xidImporter == null) { 089 if (getTransactionManager() instanceof XidImporter) { 090 xidImporter = (XidImporter) getTransactionManager(); 091 } else { 092 Map map = applicationContext.getBeansOfType(XidImporter.class); 093 if (map.size() > 1) { 094 throw new IllegalStateException("only one XidImporter can be registered"); 095 } else if (map.size() == 1) { 096 transactionManager = (ExtendedTransactionManager) map.values().iterator().next(); 097 } else { 098 throw new IllegalStateException("no XidImporter is registered"); 099 } 100 } 101 } 102 return xidImporter; 103 } 104 105 public void setXidImporter(XidImporter xidImporter) { 106 this.xidImporter = xidImporter; 107 } 108 109 public int getDefaultTransactionTimeoutSeconds() { 110 return defaultTransactionTimeoutSeconds; 111 } 112 113 public void setDefaultTransactionTimeoutSeconds(int defaultTransactionTimeoutSeconds) { 114 this.defaultTransactionTimeoutSeconds = defaultTransactionTimeoutSeconds; 115 } 116 117 public TransactionLog getTransactionLog() { 118 if (transactionLog == null) { 119 transactionLog = new UnrecoverableLog(); 120 } 121 return transactionLog; 122 } 123 124 public void setTransactionLog(TransactionLog transactionLog) { 125 this.transactionLog = transactionLog; 126 } 127 128 public Collection getResourceManagers() { 129 return resourceManagers; 130 } 131 132 public void setResourceManagers(Collection resourceManagers) { 133 this.resourceManagers = resourceManagers; 134 } 135 136 /** 137 * This method initializes the transaction context manager basing on 138 * the Geronimo implementation of the transaction manager and a dedicated 139 * transaction log. 140 */ 141 public void afterPropertiesSet() throws Exception { 142 // Instanciate the transaction context manager 143 this.transactionContextManager = new TransactionContextManager(getTransactionManager(), getXidImporter()); 144 } 145 146 147 }