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.processor.loadbalancer; 018 019 import java.util.List; 020 import java.util.concurrent.CopyOnWriteArrayList; 021 022 import org.apache.camel.Processor; 023 import org.apache.camel.impl.ServiceSupport; 024 import org.apache.camel.util.ServiceHelper; 025 026 /** 027 * A default base class for a {@link LoadBalancer} implementation 028 * 029 * @version $Revision: 35332 $ 030 */ 031 public abstract class LoadBalancerSupport extends ServiceSupport implements LoadBalancer { 032 private List<Processor> processors = new CopyOnWriteArrayList<Processor>(); 033 034 public void addProcessor(Processor processor) { 035 processors.add(processor); 036 } 037 038 public void removeProcessor(Processor processor) { 039 processors.remove(processor); 040 } 041 042 public List<Processor> getProcessors() { 043 return processors; 044 } 045 046 protected void doStart() throws Exception { 047 ServiceHelper.startServices(processors); 048 } 049 050 protected void doStop() throws Exception { 051 ServiceHelper.stopServices(processors); 052 } 053 }