Source code: org/activemq/store/cache/CacheTopicMessageStore.java
1 /**
2 *
3 * Copyright 2004 Hiram Chirino
4 * Copyright 2004 Protique Ltd
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *
18 **/
19 package org.activemq.store.cache;
20
21 import javax.jms.JMSException;
22
23 import org.activemq.message.ConsumerInfo;
24 import org.activemq.service.MessageIdentity;
25 import org.activemq.service.SubscriberEntry;
26 import org.activemq.store.RecoveryListener;
27 import org.activemq.store.TopicMessageStore;
28
29 /**
30 * A MessageStore that uses an in memory cache to speed up getMessage() method calls.
31 *
32 * @version $Revision: 1.1.1.1 $
33 */
34 public class CacheTopicMessageStore extends CacheMessageStore implements TopicMessageStore {
35
36 private final TopicMessageStore longTermStore;
37
38 public CacheTopicMessageStore(CachePersistenceAdapter adapter, TopicMessageStore longTermStore, MessageCache cache) {
39 super(adapter, longTermStore, cache);
40 this.longTermStore = longTermStore;
41 }
42
43 //
44 // The following methods just delegate to the longTermStore.
45 //
46 public void setLastAcknowledgedMessageIdentity(String subscription, MessageIdentity messageIdentity) throws JMSException {
47 longTermStore.setLastAcknowledgedMessageIdentity(subscription, messageIdentity);
48 }
49
50 public MessageIdentity getLastestMessageIdentity() throws JMSException {
51 return longTermStore.getLastestMessageIdentity();
52 }
53
54 public synchronized void recoverSubscription(String subscriptionId, MessageIdentity lastDispatchedMessage, RecoveryListener listener) throws JMSException {
55 longTermStore.recoverSubscription(subscriptionId, lastDispatchedMessage, listener);
56 }
57
58 public void setSubscriberEntry(ConsumerInfo info, SubscriberEntry subscriberEntry) throws JMSException {
59 longTermStore.setSubscriberEntry(info, subscriberEntry);
60 }
61
62 public SubscriberEntry getSubscriberEntry(ConsumerInfo info) throws JMSException {
63 return longTermStore.getSubscriberEntry(info);
64 }
65
66 public void incrementMessageCount(MessageIdentity messageId) throws JMSException {
67 longTermStore.incrementMessageCount(messageId);
68 }
69
70 public void decrementMessageCountAndMaybeDelete(MessageIdentity msgId) throws JMSException {
71 longTermStore.decrementMessageCountAndMaybeDelete(msgId);
72 }
73
74 public void deleteSubscription(String subcription) throws JMSException {
75 longTermStore.deleteSubscription(subcription);
76 }
77
78 }