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 */ 017 package org.apache.camel.management; 018 019 import java.util.concurrent.atomic.AtomicLong; 020 021 import org.springframework.jmx.export.annotation.ManagedAttribute; 022 import org.springframework.jmx.export.annotation.ManagedOperation; 023 import org.springframework.jmx.export.annotation.ManagedResource; 024 025 @ManagedResource(description = "PerformanceCounter", currencyTimeLimit = 15) 026 public class PerformanceCounter extends Counter { 027 028 private AtomicLong numCompleted = new AtomicLong(0L); 029 private long minProcessingTime = -1L; 030 private long maxProcessingTime = -1L; 031 private double totalProcessingTime; 032 033 @Override 034 @ManagedOperation(description = "Reset counters") 035 public synchronized void reset() { 036 super.reset(); 037 numCompleted.set(0L); 038 minProcessingTime = 0L; 039 maxProcessingTime = 0L; 040 totalProcessingTime = 0; 041 } 042 043 @ManagedAttribute(description = "Number of successful exchanges") 044 public long getNumCompleted() throws Exception { 045 return numCompleted.get(); 046 } 047 048 @ManagedAttribute(description = "Number of failed exchanges") 049 public long getNumFailed() throws Exception { 050 return numExchanges.get() - numCompleted.get(); 051 } 052 053 @ManagedAttribute(description = "Min Processing Time [usec]") 054 public synchronized long getMinProcessingTime() throws Exception { 055 return minProcessingTime; 056 } 057 058 @ManagedAttribute(description = "Mean Processing Time [usec]") 059 public synchronized long getMeanProcessingTime() throws Exception { 060 long count = numCompleted.get(); 061 return count > 0 ? (long)totalProcessingTime / count : 0L; 062 } 063 064 @ManagedAttribute(description = "Max Processing Time [usec]") 065 public synchronized long getMaxProcessingTime() throws Exception { 066 return maxProcessingTime; 067 } 068 069 public synchronized void completedExchange(long time) { 070 increment(); 071 numCompleted.incrementAndGet(); 072 totalProcessingTime += time; 073 if (minProcessingTime < 0 || time < minProcessingTime) { 074 minProcessingTime = time; 075 } 076 if (time > maxProcessingTime) { 077 maxProcessingTime = time; 078 } 079 } 080 081 public void completedExchange() { 082 numExchanges.incrementAndGet(); 083 } 084 }