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 }