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.xbean.kernel;
018    
019    /**
020     * Signafies that there was a problem starting a service and the StartStrategies would like the kernel to
021     * unregister the service.
022     *
023     * @author Dain Sundstrom
024     * @version $Id$
025     * @since 2.0
026     */
027    public class UnregisterServiceException extends Exception {
028        private final ServiceName serviceName;
029    
030        /**
031         * Creates a UnregisterServiceException for the specified service name.
032         *
033         * @param serviceName the name of the service that is to be unregistered
034         * @param cause the reason we are unregistering the service
035         */
036        public UnregisterServiceException(ServiceName serviceName, Throwable cause) {
037            super(cause);
038            if (serviceName == null) throw new NullPointerException("serviceName is null");
039            this.serviceName = serviceName;
040        }
041    
042        /**
043         * Gets the name of the service that is to be unregistered.
044         *
045         * @return the service name
046         */
047        public ServiceName getServiceName() {
048            return serviceName;
049        }
050    }