1 /***
2 *
3 * Copyright 2004 Protique Ltd
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 **/
18 package org.codehaus.activemq.service;
19
20 import javax.jms.JMSException;
21
22
23 /***
24 * A Topic based {@link MessageContainer}
25 *
26 * @version $Revision: 1.5 $
27 */
28 public interface TopicMessageContainer extends MessageContainer {
29
30
31 /***
32 * Sets the last acknowleged message ID for the given subscriber in this
33 * container so that if we shut down and recover we know where to start
34 * replaying messages from.
35 *
36 * @param subscription
37 * @param messageIdentity
38 */
39 public void setLastAcknowledgedMessageID(Subscription subscription, MessageIdentity messageIdentity) throws JMSException;
40
41 /***
42 * A durable subscription has started so recovery any messages that are required.
43 * This method should find the last acknowledged message for the given subscription
44 * and then iterate through any further messages and those that match the subscription
45 * should be dispatched to this subscription so that they can be dispatched in the future
46 *
47 * @param subscription
48 */
49 public void recoverSubscription(Subscription subscription) throws JMSException;
50 }