001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. 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 */ 017package org.apache.camel.management.mbean; 018 019import java.util.Date; 020 021import org.apache.camel.api.management.ManagedResource; 022import org.apache.camel.api.management.mbean.ManagedCounterMBean; 023import org.apache.camel.spi.ManagementStrategy; 024 025@ManagedResource(description = "Managed Counter") 026public abstract class ManagedCounter implements ManagedCounterMBean { 027 protected Statistic exchangesTotal; 028 protected Statistic startTimestamp; 029 protected Statistic resetTimestamp; 030 031 public void init(ManagementStrategy strategy) { 032 this.exchangesTotal = new Statistic("org.apache.camel.exchangesTotal", this, Statistic.UpdateMode.COUNTER); 033 this.startTimestamp = new Statistic("org.apache.camel.startTimestamp", this, Statistic.UpdateMode.VALUE); 034 this.resetTimestamp = new Statistic("org.apache.camel.resetTimestamp", this, Statistic.UpdateMode.VALUE); 035 startTimestamp.updateValue(new Date().getTime()); 036 resetTimestamp.updateValue(new Date().getTime()); 037 } 038 039 public synchronized void reset() { 040 exchangesTotal.reset(); 041 resetTimestamp.updateValue(new Date().getTime()); 042 } 043 044 public Date getStartTimestamp() { 045 long value = startTimestamp.getValue(); 046 return value > 0 ? new Date(value) : null; 047 } 048 049 public Date getResetTimestamp() { 050 long value = resetTimestamp.getValue(); 051 return value > 0 ? new Date(value) : null; 052 } 053 054 public long getExchangesTotal() throws Exception { 055 return exchangesTotal.getValue(); 056 } 057 058 public synchronized void increment() { 059 exchangesTotal.increment(); 060 } 061}