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 
028     */
029    public interface LoadBalancer extends AsyncProcessor {
030    
031        /**
032         * Adds a new processor to the load balancer
033         *
034         * @param processor the processor to be added to the load balancer
035         */
036        void addProcessor(Processor processor);
037    
038        /**
039         * Removes the given processor from the load balancer
040         *
041         * @param processor the processor to be removed from the load balancer
042         */
043        void removeProcessor(Processor processor);
044    
045        /**
046         * Returns the current processors available to this load balancer
047         *
048         * @return the processors available
049         */
050        List<Processor> getProcessors();
051    }