001 /**
002 *
003 * Copyright 2004 Protique Ltd
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 *
017 **/
018 package org.activemq.management;
019
020 import javax.jms.Message;
021
022 /**
023 * A simple interface to allow statistics gathering to be easily switched out
024 * for performance reasons.
025 *
026 * @version $Revision: 1.1.1.1 $
027 */
028 public interface JMSDestinationStats {
029 /**
030 * On startup sets the pending message count
031 *
032 * @param count
033 */
034 public void setPendingMessageCountOnStartup(long count);
035
036 /**
037 * On a message send to this destination, update the producing stats
038 *
039 * @param message
040 */
041 public void onMessageSend(Message message);
042
043 /**
044 * On a consume from this destination, updates the consumed states
045 */
046 public void onMessageAck();
047 }