01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.jms.connection;
31:
32: import com.caucho.jms.message.*;
33: import com.caucho.jms.queue.*;
34: import com.caucho.jms.selector.Selector;
35: import com.caucho.jms.selector.SelectorParser;
36: import com.caucho.log.Log;
37: import com.caucho.util.Alarm;
38: import com.caucho.util.L10N;
39: import com.caucho.util.AlarmListener;
40:
41: import javax.jms.*;
42: import java.util.logging.Logger;
43: import java.util.logging.Level;
44:
45: /**
46: * A basic topic subscriber
47: */
48: public class TopicSubscriberImpl extends MessageConsumerImpl implements
49: TopicSubscriber {
50: private static final Logger log = Logger
51: .getLogger(TopicSubscriberImpl.class.getName());
52: private static final L10N L = new L10N(TopicSubscriberImpl.class);
53:
54: private AbstractTopic _topic;
55: private AbstractQueue _subscription;
56:
57: TopicSubscriberImpl(JmsSession session, AbstractTopic topic,
58: String messageSelector, boolean noLocal)
59: throws JMSException {
60: super (session, topic.createSubscriber(session, messageSelector,
61: noLocal), messageSelector, noLocal);
62:
63: _topic = topic;
64: _subscription = (AbstractQueue) getDestination();
65: }
66:
67: TopicSubscriberImpl(JmsSession session, AbstractTopic topic,
68: AbstractQueue subscription, String messageSelector,
69: boolean noLocal) throws JMSException {
70: super (session, subscription, messageSelector, noLocal);
71:
72: _topic = topic;
73: _subscription = subscription;
74: }
75:
76: public Topic getTopic() throws JMSException {
77: return _topic;
78: }
79:
80: @Override
81: public void close() {
82: AbstractQueue subscription = _subscription;
83: _subscription = null;
84:
85: if (subscription != null) {
86: _topic.closeSubscriber(subscription);
87:
88: subscription.close();
89: }
90: }
91: }
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