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
021 import org.apache.camel.AsyncProcessor;
022 import org.apache.camel.Processor;
023
024 /**
025 * A strategy for load balancing across a number of {@link Processor} instances
026 *
027 * @version $Revision: 724681 $
028 */
029 public interface LoadBalancer extends AsyncProcessor {
030 /**
031 * Adds a new processor to the load balancer
032 *
033 * @param processor the processor to be added to the load balancer
034 */
035 void addProcessor(Processor processor);
036
037 /**
038 * Removes the given processor from the load balancer
039 *
040 * @param processor the processor to be removed from the load balancer
041 */
042 void removeProcessor(Processor processor);
043
044 /**
045 * Returns the current processors available to this load balancer
046 *
047 * @return the processors available
048 */
049 List<Processor> getProcessors();
050 }