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.impl; 018 019import org.apache.camel.AsyncCallback; 020import org.apache.camel.Endpoint; 021import org.apache.camel.Exchange; 022import org.apache.camel.util.EventHelper; 023import org.apache.camel.util.StopWatch; 024 025/** 026 * Helper class to notify on exchange sending events in async engine 027 */ 028public class EventNotifierCallback implements AsyncCallback { 029 private final AsyncCallback originalCallback; 030 private final StopWatch watch; 031 private final Exchange exchange; 032 private final Endpoint endpoint; 033 private final boolean sending; 034 035 public EventNotifierCallback(AsyncCallback originalCallback, Exchange exchange, 036 Endpoint endpoint) { 037 this.originalCallback = originalCallback; 038 this.exchange = exchange; 039 this.endpoint = endpoint; 040 this.sending = EventHelper.notifyExchangeSending(exchange.getContext(), exchange, endpoint); 041 if (this.sending) { 042 this.watch = new StopWatch(); 043 } else { 044 this.watch = null; 045 } 046 } 047 048 @Override 049 public void done(boolean doneSync) { 050 if (watch != null) { 051 long timeTaken = watch.taken(); 052 EventHelper.notifyExchangeSent(exchange.getContext(), exchange, endpoint, timeTaken); 053 } 054 originalCallback.done(doneSync); 055 } 056}