01 /*
02 *
03 * Licensed to the Apache Software Foundation (ASF) under one
04 * or more contributor license agreements. See the NOTICE file
05 * distributed with this work for additional information
06 * regarding copyright ownership. The ASF licenses this file
07 * to you under the Apache License, Version 2.0 (the
08 * "License"); you may not use this file except in compliance
09 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 */
21 package org.apache.qpid.client;
22
23 import javax.jms.JMSException;
24 import javax.jms.TemporaryQueue;
25
26 import org.apache.qpid.framing.AMQShortString;
27
28 import java.util.Random;
29 import java.util.UUID;
30
31 /** AMQ implementation of a TemporaryQueue. */
32 final class AMQTemporaryQueue extends AMQQueue implements TemporaryQueue, TemporaryDestination
33 {
34
35
36 private final AMQSession _session;
37 private boolean _deleted;
38
39 /** Create a new instance of an AMQTemporaryQueue */
40 public AMQTemporaryQueue(AMQSession session)
41 {
42 super(session.getTemporaryQueueExchangeName(), new AMQShortString("TempQueue" + UUID.randomUUID()), true);
43 _session = session;
44 }
45
46 /** @see javax.jms.TemporaryQueue#delete() */
47 public synchronized void delete() throws JMSException
48 {
49 if (_session.hasConsumer(this))
50 {
51 throw new JMSException("Temporary Queue has consumers so cannot be deleted");
52 }
53 _deleted = true;
54
55 // Currently TemporaryQueue is set to be auto-delete which means that the queue will be deleted
56 // by the server when there are no more subscriptions to that queue. This is probably not
57 // quite right for JMSCompliance.
58 }
59
60 public AMQSession getSession()
61 {
62 return _session;
63 }
64
65 public boolean isDeleted()
66 {
67 return _deleted;
68 }
69 }
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