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; 018 019import javax.jms.JMSException; 020import javax.jms.Session; 021import javax.jms.XAConnection; 022import javax.jms.XAQueueConnection; 023import javax.jms.XAQueueSession; 024import javax.jms.XASession; 025import javax.jms.XATopicConnection; 026import javax.jms.XATopicSession; 027 028import org.apache.activemq.management.JMSStatsImpl; 029import org.apache.activemq.transport.Transport; 030import org.apache.activemq.util.IdGenerator; 031 032/** 033 * The XAConnection interface extends the capability of Connection by providing 034 * an XASession (optional). 035 * <p/> 036 * The XAConnection interface is optional. JMS providers are not required to 037 * support this interface. This interface is for use by JMS providers to 038 * support transactional environments. Client programs are strongly encouraged 039 * to use the transactional support available in their environment, rather 040 * than use these XA interfaces directly. 041 * 042 * 043 * @see javax.jms.Connection 044 * @see javax.jms.ConnectionFactory 045 * @see javax.jms.QueueConnection 046 * @see javax.jms.TopicConnection 047 * @see javax.jms.TopicConnectionFactory 048 * @see javax.jms.QueueConnection 049 * @see javax.jms.QueueConnectionFactory 050 */ 051public class ActiveMQXAConnection extends ActiveMQConnection implements XATopicConnection, XAQueueConnection, XAConnection { 052 053 private int xaAckMode; 054 055 protected ActiveMQXAConnection(Transport transport, IdGenerator clientIdGenerator, 056 IdGenerator connectionIdGenerator, JMSStatsImpl factoryStats) throws Exception { 057 super(transport, clientIdGenerator, connectionIdGenerator, factoryStats); 058 } 059 060 public XASession createXASession() throws JMSException { 061 return (XASession) createSession(true, Session.SESSION_TRANSACTED); 062 } 063 064 public XATopicSession createXATopicSession() throws JMSException { 065 return (XATopicSession) createSession(true, Session.SESSION_TRANSACTED); 066 } 067 068 public XAQueueSession createXAQueueSession() throws JMSException { 069 return (XAQueueSession) createSession(true, Session.SESSION_TRANSACTED); 070 } 071 072 public Session createSession(boolean transacted, int acknowledgeMode) throws JMSException { 073 checkClosedOrFailed(); 074 ensureConnectionInfoSent(); 075 return new ActiveMQXASession(this, getNextSessionId(), getAckMode(), isDispatchAsync()); 076 } 077 078 private int getAckMode() { 079 return xaAckMode > 0 ? xaAckMode : Session.SESSION_TRANSACTED; 080 } 081 082 public void setXaAckMode(int xaAckMode) { 083 this.xaAckMode = xaAckMode; 084 } 085 086 public int getXaAckMode() { 087 return xaAckMode; 088 } 089}