Package org.codehaus.activemq.test

Source Code of org.codehaus.activemq.test.SendReceiveTest

/**
*
* Copyright 2004 Protique Ltd
*
* 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.codehaus.activemq.test;

import EDU.oswego.cs.dl.util.concurrent.CountDown;
import org.codehaus.activemq.JmsTopicSendReceiveTest;

import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.TextMessage;

/**
* @version $Revision: 1.6 $
*/
public class SendReceiveTest extends JmsTopicSendReceiveTest {

    private CountDown countDown;

    public void testSendReceive() throws Exception {
        sendSomeMessagesAndCheckTheyAreAllReceived(1);
        sendSomeMessagesAndCheckTheyAreAllReceived(2);
        sendSomeMessagesAndCheckTheyAreAllReceived(3);
        sendSomeMessagesAndCheckTheyAreAllReceived(4);
    }

    public void testSendReceiveReusingTheMessageInstance() throws Exception {
        sendSomeMessagesReusingTheSameMessageAndCheckTheyAreAllReceived(1);
        sendSomeMessagesReusingTheSameMessageAndCheckTheyAreAllReceived(2);
        sendSomeMessagesReusingTheSameMessageAndCheckTheyAreAllReceived(3);
        sendSomeMessagesReusingTheSameMessageAndCheckTheyAreAllReceived(4);
    }

    public void onMessage(Message message) {
        if (countDown != null) {
            countDown.release();
        }
        else {
            System.out.println("Warning: no countDown available!");
        }
    }

    protected void sendSomeMessagesAndCheckTheyAreAllReceived(int numberOfMessages) throws JMSException, InterruptedException {
        countDown = new CountDown(numberOfMessages);

        // send messages
        for (int i = 0; i < numberOfMessages; i++) {
            producer.send(producerDestination, session.createTextMessage("hi"));
        }

        // block until the listener has received everything it's expecting, or timeout
        countDown.attempt(5000);
        assertEquals("Undelivered messages for count: " + numberOfMessages, 0, countDown.currentCount());
    }

    protected void sendSomeMessagesReusingTheSameMessageAndCheckTheyAreAllReceived(int numberOfMessages) throws JMSException, InterruptedException {
        countDown = new CountDown(numberOfMessages);

        // send messages
        TextMessage message = session.createTextMessage();
        for (int i = 0; i < numberOfMessages; i++) {
            message.setText("This is message: " + i);
            producer.send(producerDestination, message);
        }

        // block until the listener has received everything it's expecting, or timeout
        countDown.attempt(5000);
        assertEquals("Undelivered messages for count: " + numberOfMessages, 0, countDown.currentCount());
    }
}
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