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 */ 017package org.apache.activemq.pool; 018 019import java.io.IOException; 020import java.util.HashMap; 021import java.util.Properties; 022import javax.jms.Connection; 023import javax.jms.JMSException; 024import javax.jms.Session; 025import javax.jms.XAConnection; 026import javax.jms.XASession; 027import javax.naming.NamingException; 028import javax.naming.Reference; 029import javax.transaction.xa.XAResource; 030import org.apache.activemq.ActiveMQConnection; 031import org.apache.activemq.ActiveMQConnectionFactory; 032import org.apache.activemq.ActiveMQSession; 033import org.apache.activemq.ActiveMQXAConnectionFactory; 034import org.apache.activemq.Service; 035import org.apache.activemq.jms.pool.PooledSession; 036import org.apache.activemq.jms.pool.SessionKey; 037import org.apache.activemq.jms.pool.XaConnectionPool; 038import org.apache.activemq.jndi.JNDIReferenceFactory; 039import org.apache.activemq.jndi.JNDIStorableInterface; 040import org.apache.activemq.transport.TransportListener; 041import org.apache.activemq.util.IntrospectionSupport; 042import org.slf4j.Logger; 043import org.slf4j.LoggerFactory; 044 045/** 046 * Add Service and Referenceable and TransportListener to @link{org.apache.activemq.jms.pool.XaPooledConnectionFactory} 047 * 048 * @org.apache.xbean.XBean element=xaPooledConnectionFactory" 049 */ 050public class XaPooledConnectionFactory extends org.apache.activemq.jms.pool.XaPooledConnectionFactory implements JNDIStorableInterface, Service { 051 public static final String POOL_PROPS_PREFIX = "pool"; 052 private static final transient Logger LOG = LoggerFactory.getLogger(org.apache.activemq.jms.pool.XaPooledConnectionFactory.class); 053 private String brokerUrl; 054 055 public XaPooledConnectionFactory() { 056 super(); 057 } 058 059 public XaPooledConnectionFactory(ActiveMQXAConnectionFactory connectionFactory) { 060 setConnectionFactory(connectionFactory); 061 } 062 063 @Override 064 protected org.apache.activemq.jms.pool.ConnectionPool createConnectionPool(Connection connection) { 065 return new XaConnectionPool(connection, getTransactionManager()) { 066 067 @Override 068 protected Session makeSession(SessionKey key) throws JMSException { 069 if (connection instanceof XAConnection) { 070 return ((XAConnection)connection).createXASession(); 071 } else { 072 return connection.createSession(key.isTransacted(), key.getAckMode()); 073 } 074 } 075 076 @Override 077 protected XAResource createXaResource(PooledSession session) throws JMSException { 078 if (session.getInternalSession() instanceof XASession) { 079 return ((XASession)session.getInternalSession()).getXAResource(); 080 } else { 081 return ((ActiveMQSession)session.getInternalSession()).getTransactionContext(); 082 } 083 } 084 085 086 @Override 087 protected Connection wrap(final Connection connection) { 088 // Add a transport Listener so that we can notice if this connection 089 // should be expired due to a connection failure. 090 ((ActiveMQConnection)connection).addTransportListener(new TransportListener() { 091 @Override 092 public void onCommand(Object command) { 093 } 094 095 @Override 096 public void onException(IOException error) { 097 synchronized (this) { 098 setHasExpired(true); 099 // only log if not stopped 100 if (!stopped.get()) { 101 LOG.info("Expiring connection " + connection + " on IOException: " + error.getMessage()); 102 // log stacktrace at debug level 103 LOG.debug("Expiring connection " + connection + " on IOException: ", error); 104 } 105 } 106 } 107 108 @Override 109 public void transportInterupted() { 110 } 111 112 @Override 113 public void transportResumed() { 114 } 115 }); 116 117 // make sure that we set the hasFailed flag, in case the transport already failed 118 // prior to the addition of our new TransportListener 119 setHasExpired(((ActiveMQConnection) connection).isTransportFailed()); 120 121 // may want to return an amq EnhancedConnection 122 return connection; 123 } 124 125 @Override 126 protected void unWrap(Connection connection) { 127 if (connection != null) { 128 ((ActiveMQConnection)connection).cleanUpTempDestinations(); 129 } 130 } 131 }; 132 } 133 134 protected void buildFromProperties(Properties props) { 135 ActiveMQConnectionFactory activeMQConnectionFactory = props.containsKey("xaAckMode") ? 136 new ActiveMQXAConnectionFactory() : new ActiveMQConnectionFactory(); 137 activeMQConnectionFactory.buildFromProperties(props); 138 setConnectionFactory(activeMQConnectionFactory); 139 IntrospectionSupport.setProperties(this, new HashMap(props), POOL_PROPS_PREFIX); 140 } 141 142 protected void populateProperties(Properties props) { 143 ((ActiveMQConnectionFactory)getConnectionFactory()).populateProperties(props); 144 IntrospectionSupport.getProperties(this, props, POOL_PROPS_PREFIX); 145 } 146 147 @Override 148 public void setProperties(Properties properties) { 149 buildFromProperties(properties); 150 } 151 152 @Override 153 public Properties getProperties() { 154 Properties properties = new Properties(); 155 populateProperties(properties); 156 return properties; 157 } 158 159 @Override 160 public Reference getReference() throws NamingException { 161 return JNDIReferenceFactory.createReference(this.getClass().getName(), this); 162 } 163 164 public void setBrokerUrl(String url) { 165 if (brokerUrl == null || !brokerUrl.equals(url)) { 166 brokerUrl = url; 167 setConnectionFactory(new ActiveMQXAConnectionFactory(brokerUrl)); 168 } 169 } 170 171 public String getBrokerUrl() { 172 return brokerUrl; 173 } 174}