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 org.apache.camel.Exchange; 020 import org.apache.camel.processor.DelegateProcessor; 021 022 /** 023 * JMX enabled processor that uses the {@link Counter} for instrumenting 024 * processing of exchanges. 025 */ 026 public class InstrumentationProcessor extends DelegateProcessor { 027 028 private PerformanceCounter counter; 029 030 public InstrumentationProcessor(PerformanceCounter counter) { 031 this.counter = counter; 032 } 033 034 public InstrumentationProcessor() { 035 } 036 037 public void setCounter(PerformanceCounter counter) { 038 this.counter = counter; 039 } 040 041 public void process(Exchange exchange) throws Exception { 042 long startTime = System.nanoTime(); 043 super.process(exchange); 044 if (counter != null) { 045 if (!exchange.isFailed()) { 046 // convert nanoseconds to milliseconds 047 counter.completedExchange((System.nanoTime() - startTime) / 1000000.0); 048 } else { 049 counter.completedExchange(); 050 } 051 } 052 } 053 }