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ActiveMQ example source code file (QueueBridge.java)

This example ActiveMQ source code file (QueueBridge.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 - ActiveMQ tags/keywords

connection, connection, destinationbridge, jmsexception, jmsexception, messageconsumer, messageproducer, queue, queue, queueconnection, queueconnection, queuesender, queuesession, string

The ActiveMQ QueueBridge.java source code

/**
 * 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.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.QueueConnection;
import javax.jms.QueueSender;
import javax.jms.QueueSession;
import javax.jms.Session;

/**
 * A Destination bridge is used to bridge between to different JMS systems
 * 
 * 
 */
class QueueBridge extends DestinationBridge {
    protected Queue consumerQueue;
    protected Queue producerQueue;
    protected QueueSession consumerSession;
    protected QueueSession producerSession;

    protected String selector;
    protected QueueSender producer;
    protected QueueConnection consumerConnection;
    protected QueueConnection 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.createQueueSession(false, Session.CLIENT_ACKNOWLEDGE);
        MessageConsumer consumer = null;

        if (selector != null && selector.length() > 0) {
            consumer = consumerSession.createReceiver(consumerQueue, selector);
        } else {
            consumer = consumerSession.createReceiver(consumerQueue);
        }

        return consumer;
    }

    protected synchronized MessageProducer createProducer() throws JMSException {
        producerSession = producerConnection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
        producer = producerSession.createSender(null);
        return producer;
    }

    protected synchronized void sendMessage(Message message) throws JMSException {
        if (producer == null) {
            createProducer();
        }
        producer.send(producerQueue, message);
    }

    /**
     * @return Returns the consumerConnection.
     */
    public QueueConnection getConsumerConnection() {
        return consumerConnection;
    }

    /**
     * @param consumerConnection The consumerConnection to set.
     */
    public void setConsumerConnection(QueueConnection consumerConnection) {
        this.consumerConnection = consumerConnection;
    }

    /**
     * @return Returns the consumerQueue.
     */
    public Queue getConsumerQueue() {
        return consumerQueue;
    }

    /**
     * @param consumerQueue The consumerQueue to set.
     */
    public void setConsumerQueue(Queue consumerQueue) {
        this.consumerQueue = consumerQueue;
    }

    /**
     * @return Returns the producerConnection.
     */
    public QueueConnection getProducerConnection() {
        return producerConnection;
    }

    /**
     * @param producerConnection The producerConnection to set.
     */
    public void setProducerConnection(QueueConnection producerConnection) {
        this.producerConnection = producerConnection;
    }

    /**
     * @return Returns the producerQueue.
     */
    public Queue getProducerQueue() {
        return producerQueue;
    }

    /**
     * @param producerQueue The producerQueue to set.
     */
    public void setProducerQueue(Queue producerQueue) {
        this.producerQueue = producerQueue;
    }

    /**
     * @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();
    }

}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ QueueBridge.java source code file:

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