ActiveMQ example source code file (PooledTopicPublisherTest.java)

This example ActiveMQ source code file (PooledTopicPublisherTest.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

activemqconnectionfactory, activemqconnectionfactory, activemqtopic, brokerservice, countdownlatch, exception, exception, exceptionlistener, exceptionlistener, override, pooledconnection, pooledconnectionfactory, pooledconnectionfactory, threading, threads, topicconnection

The ActiveMQ PooledTopicPublisherTest.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.pool;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import javax.jms.Session;
import javax.jms.TopicConnection;
import javax.jms.TopicPublisher;
import javax.jms.TopicSession;

import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.test.TestSupport;
import org.apache.activemq.util.SocketProxy;

/**
 * 
 */
public class PooledTopicPublisherTest extends TestSupport {

    private TopicConnection connection;

    public void testPooledConnectionFactory() throws Exception {
        ActiveMQTopic topic = new ActiveMQTopic("test");
        PooledConnectionFactory pcf = new PooledConnectionFactory();
        pcf.setConnectionFactory(new ActiveMQConnectionFactory("vm://test"));

        connection = (TopicConnection) pcf.createConnection();
        TopicSession session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
        TopicPublisher publisher = session.createPublisher(topic);
        publisher.publish(session.createMessage());
    }

    
    public void testSetGetExceptionListener() throws Exception {
        PooledConnectionFactory pcf = new PooledConnectionFactory();
        pcf.setConnectionFactory(new ActiveMQConnectionFactory("vm://test"));

        connection = (TopicConnection) pcf.createConnection();
        ExceptionListener listener = new ExceptionListener() {
            public void onException(JMSException exception) {
            }
        };
        connection.setExceptionListener(listener);
        assertEquals(listener, connection.getExceptionListener());
    }
    
    public void testPooledConnectionAfterInactivity() throws Exception {
        BrokerService broker = new BrokerService();
        TransportConnector networkConnector = broker.addConnector("tcp://localhost:0");
        broker.setPersistent(false);
        broker.setUseJmx(false);
        broker.start();
        
        SocketProxy proxy = new SocketProxy(networkConnector.getConnectUri());
        
        PooledConnectionFactory pcf = new PooledConnectionFactory();
        String uri = proxy.getUrl().toString() + "?trace=true&wireFormat.maxInactivityDuration=500&wireFormat.maxInactivityDurationInitalDelay=500";
        pcf.setConnectionFactory(new ActiveMQConnectionFactory(uri));
        
        PooledConnection conn =  (PooledConnection) pcf.createConnection();
        ActiveMQConnection amq = conn.getConnection();
        final CountDownLatch gotException = new CountDownLatch(1);
        //amq.set
        conn.setExceptionListener(new ExceptionListener() {
            public void onException(JMSException exception) {
                gotException.countDown();
            }});
        conn.setClientID(getName());
        
        // let it hang, simulate a server hang so inactivity timeout kicks in
        proxy.pause();
        //assertTrue("got an exception", gotException.await(5, TimeUnit.SECONDS));
        TimeUnit.SECONDS.sleep(2);
        conn.close();
    }
    
    @Override
    protected void tearDown() throws Exception {
        if (connection != null) {
            connection.close();
            connection = null;
        }
    }
}