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Spring Framework example source code file (JmsTransactionManager102.java)

This example Spring Framework source code file (JmsTransactionManager102.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

illegalargumentexception, illegalargumentexception, jms, jmsexception, jmstransactionmanager102, jmstransactionmanager102, queueconnection, queueconnectionfactory, queueconnectionfactory, specified, spring, topicconnection, topicconnectionfactory, topicconnectionfactory

The Spring Framework JmsTransactionManager102.java source code

/*
 * Copyright 2002-2007 the original author or authors.
 *
 * Licensed 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 WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.jms.connection;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.JMSException;
import javax.jms.QueueConnection;
import javax.jms.QueueConnectionFactory;
import javax.jms.Session;
import javax.jms.TopicConnection;
import javax.jms.TopicConnectionFactory;

/**
 * A subclass of {@link JmsTransactionManager} for the JMS 1.0.2 specification,
 * not relying on JMS 1.1 methods like JmsTransactionManager itself.
 * This class can be used for JMS 1.0.2 providers, offering the same API as
 * JmsTransactionManager does for JMS 1.1 providers.
 *
 * <p>You need to set the {@link #setPubSubDomain "pubSubDomain" property},
 * since this class will always explicitly differentiate between a
 * {@link javax.jms.QueueConnection} and a {@link javax.jms.TopicConnection}.
 *
 * @author Juergen Hoeller
 * @since 1.1
 * @see #setConnectionFactory
 * @see #setPubSubDomain
 */
public class JmsTransactionManager102 extends JmsTransactionManager {

	private boolean pubSubDomain = false;


	/**
	 * Create a new JmsTransactionManager102 for bean-style usage.
	 * <p>Note: The ConnectionFactory has to be set before using the instance.
	 * This constructor can be used to prepare a JmsTemplate via a BeanFactory,
	 * typically setting the ConnectionFactory via setConnectionFactory.
	 * @see #setConnectionFactory
	 */
	public JmsTransactionManager102() {
		super();
	}

	/**
	 * Create a new JmsTransactionManager102, given a ConnectionFactory.
	 * @param connectionFactory the ConnectionFactory to manage transactions for
	 * @param pubSubDomain whether the Publish/Subscribe domain (Topics) or
	 * Point-to-Point domain (Queues) should be used
	 * @see #setPubSubDomain
	 */
	public JmsTransactionManager102(ConnectionFactory connectionFactory, boolean pubSubDomain) {
		setConnectionFactory(connectionFactory);
		this.pubSubDomain = pubSubDomain;
		afterPropertiesSet();
	}


	/**
	 * Configure the transaction manager with knowledge of the JMS domain used.
	 * This tells the JMS 1.0.2 provider which class hierarchy to use for creating
	 * Connections and Sessions.
	 * <p>Default is Point-to-Point (Queues).
	 * @param pubSubDomain <code>true for Publish/Subscribe domain (Topics),
	 * <code>false for Point-to-Point domain (Queues)
	 */
	public void setPubSubDomain(boolean pubSubDomain) {
		this.pubSubDomain = pubSubDomain;
	}

	/**
	 * Return whether the Publish/Subscribe domain (Topics) is used.
	 * Otherwise, the Point-to-Point domain (Queues) is used.
	 */
	public boolean isPubSubDomain() {
		return this.pubSubDomain;
	}


	/**
	 * In addition to checking if the connection factory is set, make sure
	 * that the supplied connection factory is of the appropriate type for
	 * the specified destination type: QueueConnectionFactory for queues,
	 * and TopicConnectionFactory for topics.
	 */
	public void afterPropertiesSet() {
		super.afterPropertiesSet();

		// Make sure that the ConnectionFactory passed is consistent.
		// Some provider implementations of the ConnectionFactory interface
		// implement both domain interfaces under the cover, so just check if
		// the selected domain is consistent with the type of connection factory.
		if (isPubSubDomain()) {
			if (!(getConnectionFactory() instanceof TopicConnectionFactory)) {
				throw new IllegalArgumentException(
						"Specified a Spring JMS 1.0.2 transaction manager for topics " +
						"but did not supply an instance of TopicConnectionFactory");
			}
		}
		else {
			if (!(getConnectionFactory() instanceof QueueConnectionFactory)) {
				throw new IllegalArgumentException(
						"Specified a Spring JMS 1.0.2 transaction manager for queues " +
						"but did not supply an instance of QueueConnectionFactory");
			}
		}
	}


	/**
	 * This implementation overrides the superclass method to use JMS 1.0.2 API.
	 */
	protected Connection createConnection() throws JMSException {
		if (isPubSubDomain()) {
			return ((TopicConnectionFactory) getConnectionFactory()).createTopicConnection();
		}
		else {
			return ((QueueConnectionFactory) getConnectionFactory()).createQueueConnection();
		}
	}

	/**
	 * This implementation overrides the superclass method to use JMS 1.0.2 API.
	 */
	protected Session createSession(Connection con) throws JMSException {
		if (isPubSubDomain()) {
			return ((TopicConnection) con).createTopicSession(true, Session.AUTO_ACKNOWLEDGE);
		}
		else {
			return ((QueueConnection) con).createQueueSession(true, Session.AUTO_ACKNOWLEDGE);
		}
	}

}

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