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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* 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.apache.qpid.forwardall;
import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.client.AMQQueue;
import org.apache.qpid.client.AMQSession;
import javax.jms.Message;
import javax.jms.MessageListener;
/**
* Declare a private temporary response queue,
* send a message to amq.direct with a well known routing key with the
* private response queue as the reply-to destination
* consume responses.
*/
public class Client implements MessageListener
{
private final AMQConnection _connection;
private final AMQSession _session;
private final int _expected;
private int _count;
Client(String broker, int expected) throws Exception
{
this(connect(broker), expected);
}
Client(AMQConnection connection, int expected) throws Exception
{
_connection = connection;
_expected = expected;
_session = (AMQSession) _connection.createSession(false, AMQSession.NO_ACKNOWLEDGE);
AMQQueue response = new AMQQueue("ResponseQueue", true);
_session.createConsumer(response).setMessageListener(this);
_connection.start();
AMQQueue service = new SpecialQueue("ServiceQueue");
Message request = _session.createTextMessage("Request!");
request.setJMSReplyTo(response);
_session.createProducer(service).send(request);
}
void shutdownWhenComplete() throws Exception
{
waitUntilComplete();
_connection.close();
}
public void onMessage(Message response)
{
System.out.println("Received " + (++_count) + " of " + _expected + " responses.");
if(_count == _expected)
{
synchronized(this)
{
notifyAll();
}
}
}
synchronized void waitUntilComplete() throws InterruptedException
{
while(_count < _expected)
{
wait();
}
}
static AMQConnection connect(String broker) throws Exception
{
return new AMQConnection(broker, "guest", "guest", "Client" + System.currentTimeMillis(), "/test_path");
}
public static void main(String[] argv) throws Exception
{
final String connectionString;
final int expected;
if (argv.length == 0) {
connectionString = "localhost:5672";
expected = 100;
}
else
{
connectionString = argv[0];
expected = Integer.parseInt(argv[1]);
}
new Client(connect(connectionString), expected).shutdownWhenComplete();
}
}
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