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    public class InstrumentationProcessor extends DelegateProcessor {
023    
024        private PerformanceCounter counter;
025    
026        InstrumentationProcessor(PerformanceCounter counter) {
027            this.counter = counter;
028        }
029    
030        public void process(Exchange exchange) throws Exception {
031            long startTime = System.nanoTime();
032            super.process(exchange);
033            if (counter != null) {
034                if (exchange.getException() == null) {
035                    counter.completedExchange((System.nanoTime() - startTime) / 1000);
036                } else {
037                    counter.completedExchange();
038                }
039            }
040        }
041    }