/*
 *
 * 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 javax.jms.JMSException;
import javax.jms.TemporaryQueue;

import org.apache.qpid.framing.AMQShortString;

import java.util.Random;
import java.util.UUID;

/** AMQ implementation of a TemporaryQueue. */
final class AMQTemporaryQueue extends AMQQueue implements TemporaryQueue, TemporaryDestination
{


    private final AMQSession _session;
    private boolean _deleted;

    /** Create a new instance of an AMQTemporaryQueue */
    public AMQTemporaryQueue(AMQSession session)
    {
        super(session.getTemporaryQueueExchangeName(), new AMQShortString("TempQueue" + UUID.randomUUID()), true);
        _session = session;
    }

    /** @see javax.jms.TemporaryQueue#delete() */
    public synchronized void delete() throws JMSException
    {
        if (_session.hasConsumer(this))
        {
            throw new JMSException("Temporary Queue has consumers so cannot be deleted");
        }
        _deleted = true;

        // Currently TemporaryQueue is set to be auto-delete which means that the queue will be deleted
        // by the server when there are no more subscriptions to that queue.  This is probably not
        // quite right for JMSCompliance.
    }

    public AMQSession getSession()
    {
        return _session;
    }

    public boolean isDeleted()
    {
        return _deleted;
    }
}