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.api.management.PerformanceCounter;
021    
022    /**
023     * A composite {@link PerformanceCounter} is used for tracking performance statistics on both a per
024     * context and route level, by issuing callbacks on both when an event happens.
025     * <p/>
026     * This implementation is used so the {@link org.apache.camel.management.mbean.ManagedCamelContext}
027     * can aggregate all stats from the routes.
028     */
029    public class CompositePerformanceCounter implements PerformanceCounter {
030    
031        private final PerformanceCounter counter1;
032        private final PerformanceCounter counter2;
033    
034        public CompositePerformanceCounter(PerformanceCounter counter1, PerformanceCounter counter2) {
035            this.counter1 = counter1;
036            this.counter2 = counter2;
037        }
038    
039        @Override
040        public void completedExchange(Exchange exchange, long time) {
041            if (counter1.isStatisticsEnabled()) {
042                counter1.completedExchange(exchange, time);
043            }
044            if (counter2.isStatisticsEnabled()) {
045                counter2.completedExchange(exchange, time);
046            }
047        }
048    
049        @Override
050        public void failedExchange(Exchange exchange) {
051            if (counter1.isStatisticsEnabled()) {
052                counter1.failedExchange(exchange);
053            }
054            if (counter2.isStatisticsEnabled()) {
055                counter2.failedExchange(exchange);
056            }
057        }
058    
059        @Override
060        public boolean isStatisticsEnabled() {
061            // this method is not used
062            return true;
063        }
064    
065        @Override
066        public void setStatisticsEnabled(boolean statisticsEnabled) {
067            // this method is not used
068        }
069    }