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The ActiveMQ Message Broker and Client implementations
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.activemq.network.jms;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicPublisher;
import javax.jms.TopicSession;
/**
* A Destination bridge is used to bridge between to different JMS systems
*
* @version $Revision: 1.1.1.1 $
*/
class TopicBridge extends DestinationBridge {
protected Topic consumerTopic;
protected Topic producerTopic;
protected TopicSession consumerSession;
protected TopicSession producerSession;
protected String consumerName;
protected String selector;
protected TopicPublisher producer;
protected TopicConnection consumerConnection;
protected TopicConnection producerConnection;
public void stop() throws Exception {
super.stop();
if (consumerSession != null) {
consumerSession.close();
}
if (producerSession != null) {
producerSession.close();
}
}
protected MessageConsumer createConsumer() throws JMSException {
// set up the consumer
consumerSession = consumerConnection.createTopicSession(false, Session.CLIENT_ACKNOWLEDGE);
MessageConsumer consumer = null;
if (consumerName != null && consumerName.length() > 0) {
if (selector != null && selector.length() > 0) {
consumer = consumerSession.createDurableSubscriber(consumerTopic, consumerName, selector,
false);
} else {
consumer = consumerSession.createDurableSubscriber(consumerTopic, consumerName);
}
} else {
if (selector != null && selector.length() > 0) {
consumer = consumerSession.createSubscriber(consumerTopic, selector, false);
} else {
consumer = consumerSession.createSubscriber(consumerTopic);
}
}
return consumer;
}
protected synchronized MessageProducer createProducer() throws JMSException {
producerSession = producerConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
producer = producerSession.createPublisher(null);
return producer;
}
protected synchronized void sendMessage(Message message) throws JMSException {
if (producer == null) {
createProducer();
}
producer.publish(producerTopic, message);
}
/**
* @return Returns the consumerConnection.
*/
public TopicConnection getConsumerConnection() {
return consumerConnection;
}
/**
* @param consumerConnection The consumerConnection to set.
*/
public void setConsumerConnection(TopicConnection consumerConnection) {
this.consumerConnection = consumerConnection;
}
/**
* @return Returns the subscriptionName.
*/
public String getConsumerName() {
return consumerName;
}
/**
* @param subscriptionName The subscriptionName to set.
*/
public void setConsumerName(String consumerName) {
this.consumerName = consumerName;
}
/**
* @return Returns the consumerTopic.
*/
public Topic getConsumerTopic() {
return consumerTopic;
}
/**
* @param consumerTopic The consumerTopic to set.
*/
public void setConsumerTopic(Topic consumerTopic) {
this.consumerTopic = consumerTopic;
}
/**
* @return Returns the producerConnection.
*/
public TopicConnection getProducerConnection() {
return producerConnection;
}
/**
* @param producerConnection The producerConnection to set.
*/
public void setProducerConnection(TopicConnection producerConnection) {
this.producerConnection = producerConnection;
}
/**
* @return Returns the producerTopic.
*/
public Topic getProducerTopic() {
return producerTopic;
}
/**
* @param producerTopic The producerTopic to set.
*/
public void setProducerTopic(Topic producerTopic) {
this.producerTopic = producerTopic;
}
/**
* @return Returns the selector.
*/
public String getSelector() {
return selector;
}
/**
* @param selector The selector to set.
*/
public void setSelector(String selector) {
this.selector = selector;
}
protected Connection getConnnectionForConsumer() {
return getConsumerConnection();
}
protected Connection getConnectionForProducer() {
return getProducerConnection();
}
}