01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.mq.sm.none;
23:
24: import java.util.Collection;
25: import java.util.Collections;
26:
27: import javax.jms.JMSException;
28:
29: import org.jboss.mq.DurableSubscriptionID;
30: import org.jboss.mq.SpyTopic;
31: import org.jboss.mq.sm.AbstractStateManager;
32: import org.jboss.mq.sm.StateManager;
33: import org.jboss.util.NotImplementedException;
34:
35: /**
36: * NullStateManager.
37: *
38: * @author <a href="adrian@jboss.com">Adrian Brock</a>
39: * @version $Revision: 40901 $
40: */
41: public class NullStateManager extends AbstractStateManager {
42: protected void checkLoggedOnClientId(String clientID)
43: throws JMSException {
44: return;
45: }
46:
47: protected DurableSubscription getDurableSubscription(
48: DurableSubscriptionID sub) throws JMSException {
49: throw new NotImplementedException(
50: "Durable subscriptions are not supported");
51: }
52:
53: public Collection getDurableSubscriptionIdsForTopic(SpyTopic topic)
54: throws JMSException {
55: return Collections.EMPTY_SET;
56: }
57:
58: protected String getPreconfClientId(String login, String passwd)
59: throws JMSException {
60: return null;
61: }
62:
63: protected void removeDurableSubscription(DurableSubscription ds)
64: throws JMSException {
65: throw new NotImplementedException(
66: "Durable subscriptions are not supported");
67: }
68:
69: protected void saveDurableSubscription(DurableSubscription ds)
70: throws JMSException {
71: throw new NotImplementedException(
72: "Durable subscriptions are not supported");
73: }
74:
75: public StateManager getInstance() {
76: return this;
77: }
78: }
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