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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.client;
import org.apache.qpid.url.BindingURL;
import org.apache.qpid.exchange.ExchangeDefaults;
import org.apache.qpid.framing.AMQShortString;
import javax.jms.JMSException;
import javax.jms.Topic;
public class AMQTopic extends AMQDestination implements Topic
{
/**
* Constructor for use in creating a topic using a BindingURL.
*
* @param binding The binding url object.
*/
public AMQTopic(BindingURL binding)
{
super(binding);
}
public AMQTopic(String name)
{
this(new AMQShortString(name));
}
public AMQTopic(AMQShortString exchange, AMQShortString routingKey, AMQShortString queueName)
{
super(exchange, ExchangeDefaults.TOPIC_EXCHANGE_CLASS, routingKey, true, true, queueName, false);
}
public AMQTopic(AMQShortString name)
{
this(name, true, null, false);
}
public AMQTopic(AMQShortString name, boolean isAutoDelete, AMQShortString queueName, boolean isDurable)
{
super(ExchangeDefaults.TOPIC_EXCHANGE_NAME, ExchangeDefaults.TOPIC_EXCHANGE_CLASS, name, true, isAutoDelete,
queueName, isDurable);
}
public static AMQTopic createDurableTopic(AMQTopic topic, String subscriptionName, AMQConnection connection)
throws JMSException
{
return new AMQTopic(topic.getDestinationName(), false, getDurableTopicQueueName(subscriptionName, connection),
true);
}
public static AMQShortString getDurableTopicQueueName(String subscriptionName, AMQConnection connection) throws JMSException
{
return new AMQShortString(connection.getClientID() + ":" + subscriptionName);
}
public String getTopicName() throws JMSException
{
return super.getDestinationName().toString();
}
public AMQShortString getRoutingKey()
{
return getDestinationName();
}
public boolean isNameRequired()
{
// Topics always rely on a server generated queue name.
return false;
}
/**
* Override since the queue is always private and we must ensure it remains null. If not,
* reuse of the topic when registering consumers will make all consumers listen on the same (private) queue rather
* than getting their own (private) queue.
* <p/>
* This is relatively nasty but it is difficult to come up with a more elegant solution, given
* the requirement in the case on AMQQueue and possibly other AMQDestination subclasses to
* use the underlying queue name even where it is server generated.
*/
public void setQueueName(String queueName)
{
}
}
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