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/*
*
* 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.qpid.management.example;
import java.net.URI;
import org.apache.muse.ws.addressing.EndpointReference;
import org.apache.muse.ws.notification.remote.NotificationProducerClient;
import org.apache.muse.ws.notification.remote.SubscriptionClient;
/**
* This example is demonstrating a WS-Notification scenario
* when (for simplicity) QMan is at the same time consumer
* and producer.
*
* Specifically the example shows how a requestor can create, pause and resume
* a subscription.
*
* @author Andrea Gazzarini
*
*/
public class PausableSubscriptionExample extends AbstractQManExample
{
@Override
void executeExample(String host, int port) throws Exception
{
// This is QMan...
URI producerURI = URI.create("http://"+host+":"+port+"/qman/services/adapter");
// ...and this is QMan too! Note that it has an hidden consumer capability that is used in
// order to run successfully this example...
URI consumerURI = URI.create("http://"+host+":"+port+"/qman/services/consumer");
EndpointReference producerEPR = new EndpointReference(producerURI);
EndpointReference consumerEPR = new EndpointReference(consumerURI);
NotificationProducerClient producerClient = new NotificationProducerClient(producerEPR);
producerClient.setTrace(true);
// 1) Creates a subscription and gets the corresponding reference.
SubscriptionClient subscriptionClient = producerClient.subscribe(
consumerEPR, // Consumer Endpoint reference
null, // Filter, if null that means "all messages"
null); // Termination Time : if null the subscription will never expire.
subscriptionClient.setTrace(true);
// 2) Pauses the subscription.
subscriptionClient.pauseSubscription();
// 3) Resumes the subscription.
subscriptionClient.resumeSubscription();
}
@Override
void printOutExampleDescription()
{
System.out.println("This example is demonstrating a WS-Notification scenario ");
System.out.println("when (for simplicity) QMan is at the same time consumer ");
System.out.println("and producer.");
System.out.println();
System.out.println("Specifically the example shows how a requestor can create,");
System.out.println("pause and resume a subscription.");
}
public static void main(String[] args)
{
new PausableSubscriptionExample().execute(new String[]{"romagazzarini","8080"});
}
}
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