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.spi;
018    
019    import org.apache.camel.Exchange;
020    
021    /**
022     * A Strategy pattern for handling exceptions; particularly in asynchronous processes such as consumers
023     *
024     * @version $Revision: 891253 $
025     */
026    public interface ExceptionHandler {
027        
028        /**
029         * Handles the given exception
030         *
031         * @param exception the exception
032         */
033        void handleException(Throwable exception);
034    
035        /**
036         * Handles the given exception
037         *
038         * @param message additional message
039         * @param exception the exception
040         */
041        void handleException(String message, Throwable exception);
042    
043        /**
044         * Handles the given exception
045         *
046         * @param message additional message
047         * @param exchange exchange which cause the exception
048         * @param exception the exception
049         */
050        void handleException(String message, Exchange exchange, Throwable exception);
051    }