001    /**
002     *
003     * Copyright 2003-2004 The Apache Software Foundation
004     *
005     *  Licensed under the Apache License, Version 2.0 (the "License");
006     *  you may not use this file except in compliance with the License.
007     *  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    
018    package org.apache.geronimo.interceptor;
019    
020    import java.io.Serializable;
021    
022    import org.apache.geronimo.interceptor.InvocationResult;
023    
024    /**
025     *
026     *
027     *
028     * @version $Rev: 417891 $ $Date: 2006-06-28 15:45:07 -0700 (Wed, 28 Jun 2006) $
029     */
030    public class SimpleInvocationResult implements InvocationResult, Serializable {
031        private final Object result;
032        private final boolean normal;
033    
034        /**
035         * Create a object representing the normal result of an Invocation
036         * @param normal true if the target returned; false if it threw an application Exception
037         * @param result the result or Exception
038         */
039        public SimpleInvocationResult(boolean normal, Object result) {
040            assert (normal || result instanceof Throwable) : "Result must be normal or a Throwable";
041            this.normal = normal;
042            this.result = result;
043        }
044    
045        public boolean isNormal() {
046            return normal;
047        }
048    
049        public boolean isException() {
050            return !normal;
051        }
052    
053        public Object getResult() {
054            assert (normal == true);
055            return result;
056        }
057    
058        public Exception getException() {
059            assert (normal == false);
060            return (Exception) result;
061        }
062    }