JMS Qpid Sender - Java Message

Java examples for Message:JMS

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Description

JMS Qpid Sender

Demo Code

/**/*  w  w w. jav  a2s .  c o m*/
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 com.redhat.workshop.amq7.ha;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.TransactionRolledBackException;
import javax.naming.InitialContext;
import java.util.Hashtable;

public class QpidSender {
    public static void main(String args[]) throws Exception {

        try {
            Hashtable<String, Object> properties = new Hashtable<>();
            properties.put("java.naming.factory.initial",
                    "org.apache.qpid.jms.jndi.JmsInitialContextFactory");
            properties.put("connectionFactory.ConnectionFactory",
                    "failover:(amqp://localhost:61616)");
            properties.put("queue.queue/exampleQueue", "exampleQueue");
            InitialContext context = new InitialContext(properties);

            Queue queue = (Queue) context.lookup("queue/exampleQueue");

            ConnectionFactory cf = (ConnectionFactory) context
                    .lookup("ConnectionFactory");

            try (Connection connection = cf.createConnection();) {
                Session session = connection.createSession(true,
                        Session.AUTO_ACKNOWLEDGE);
                MessageProducer producer = session.createProducer(queue);
                int i = 0;
                while (true) {
                    for (int j = 0; j < 10; j++) {
                        TextMessage textMessage = session
                                .createTextMessage("message " + i++);
                        producer.send(textMessage);
                    }
                    try {
                        session.commit();
                    } catch (TransactionRolledBackException e) {
                        System.out
                                .println("tx was rolled back after fail over");
                    }
                    Thread.sleep(1000);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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