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.management;
19
20 import javax.jms.Message;
21
22 /***
23 * A simple interface to allow statistics gathering to be easily switched out
24 * for performance reasons.
25 *
26 * @version $Revision: 1.1 $
27 */
28 public interface JMSDestinationStats {
29 /***
30 * On startup sets the pending message count
31 *
32 * @param count
33 */
34 public void setPendingMessageCountOnStartup(long count);
35
36 /***
37 * On a message send to this destination, update the producing stats
38 *
39 * @param message
40 */
41 public void onMessageSend(Message message);
42
43 /***
44 * On a consume from this destination, updates the consumed states
45 */
46 public void onMessageAck();
47 }