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.commons.discovery;
018    
019    /**
020     * An exception that is thrown only if a suitable service
021     * instance cannot be created by {@code ServiceFactory}.
022     *
023     * @version $Revision: 1088947 $ $Date: 2011-04-05 11:51:19 +0200 (Tue, 05 Apr 2011) $
024     */
025    public class DiscoveryException extends RuntimeException {
026    
027        /**
028         * 
029         */
030        private static final long serialVersionUID = -2518293836976054070L;
031    
032        /**
033         * Construct a new exception with <code>null</code> as its detail message.
034         */
035        public DiscoveryException() {
036            super();
037        }
038    
039        /**
040         * Construct a new exception with the specified detail message.
041         *
042         * @param message The detail message
043         */
044        public DiscoveryException(String message) {
045            super(message);
046        }
047    
048        /**
049         * Construct a new exception with the specified cause and a derived
050         * detail message.
051         *
052         * @param cause The underlying cause
053         */
054        public DiscoveryException(Throwable cause) {
055            super(cause);
056        }
057    
058        /**
059         * Construct a new exception with the specified detail message and cause.
060         *
061         * @param message The detail message
062         * @param cause The underlying cause
063         */
064        public DiscoveryException(String message, Throwable cause) {
065            super(message, cause);
066        }
067    
068    }