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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.amqp_1_0.jms.impl;
import org.apache.qpid.amqp_1_0.client.Sender;
import org.apache.qpid.amqp_1_0.jms.MessageConsumer;
import org.apache.qpid.amqp_1_0.jms.TemporaryQueue;
import javax.jms.IllegalStateException;
import javax.jms.JMSException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
public class TemporaryQueueImpl extends QueueImpl implements TemporaryQueue
{
private Sender _sender;
private SessionImpl _session;
private final Set<MessageConsumer> _consumers =
Collections.synchronizedSet(new HashSet<MessageConsumer>());
private boolean _deleted;
protected TemporaryQueueImpl(String address, Sender sender, SessionImpl session)
{
super(address);
_sender = sender;
_session = session;
_session.getConnection().addOnCloseTask(new ConnectionImpl.CloseTask()
{
public void onClose() throws JMSException
{
synchronized (TemporaryQueueImpl.this)
{
close();
}
}
});
}
public synchronized void delete() throws JMSException
{
if(_consumers.isEmpty())
{
close();
_deleted = true;
}
else
{
throw new IllegalStateException("Cannot delete destination as it has consumers");
}
}
private void close() throws JMSException
{
if(_sender != null)
{
try
{
_sender.close();
_sender = null;
}
catch (Sender.SenderClosingException e)
{
final JMSException jmsException = new JMSException(e.getMessage());
jmsException.setLinkedException(e);
throw jmsException;
}
}
}
public SessionImpl getSession()
{
return _session;
}
public void addConsumer(MessageConsumer consumer)
{
_consumers.add(consumer);
}
public void removeConsumer(MessageConsumer consumer)
{
_consumers.remove(consumer);
}
public boolean isDeleted()
{
return _deleted;
}
}
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