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Java > Open Source Codes > org > apache > activemq > memory > list > MessageList


1 /**
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one or more
4  * contributor license agreements. See the NOTICE file distributed with
5  * this work for additional information regarding copyright ownership.
6  * The ASF licenses this file to You under the Apache License, Version 2.0
7  * (the "License"); you may not use this file except in compliance with
8  * the License. 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 package org.apache.activemq.memory.list;
19
20 import java.util.List JavaDoc;
21 import org.apache.activemq.broker.region.MessageReference;
22 import org.apache.activemq.command.ActiveMQDestination;
23 import org.apache.activemq.command.Message;
24
25 /**
26  * A container of messages which is used to store messages and then
27  * replay them later for a given subscription.
28  *
29  * @version $Revision: 1.1 $
30  */
31 public interface MessageList {
32
33     void add(MessageReference node);
34
35     /**
36      * Returns the current list of MessageReference objects for the given subscription
37      */
38     List JavaDoc getMessages(ActiveMQDestination destination);
39     
40     /**
41      * @param destination
42      * @return an array of Messages that match the destination
43      */
44     Message[] browse(ActiveMQDestination destination);
45
46     void clear();
47     
48     
49 }
50
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