001    /**
002     *
003     * Copyright 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    package org.apache.geronimo.gbean.runtime;
018    
019    import java.util.Map;
020    
021    /**
022     * The raw invoker provides a raw (fast) access invoke operations, get attribute values, and set
023     * attribute values on a GBean.  This class should only be use by GBean proxy generators or carefully
024     * crafted container code, because this class maintains a hard reference to a gbeanInstance which has a huge
025     * potential for memory leaks.  USE WITH CAUTION
026     *
027     * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
028     */
029    public final class RawInvoker {
030        private final GBeanInstance gbeanInstance;
031        private final Map attributeIndex;
032        private final Map operationIndex;
033    
034        public RawInvoker(GBeanInstance gbean) {
035            this.gbeanInstance = gbean;
036            attributeIndex = gbean.getAttributeIndex();
037            operationIndex = gbean.getOperationIndex();
038        }
039    
040        public Map getAttributeIndex() {
041            return attributeIndex;
042        }
043    
044        public Map getOperationIndex() {
045            return operationIndex;
046        }
047    
048        public Object getAttribute(final int index) throws Exception {
049            return gbeanInstance.getAttribute(index);
050        }
051    
052        public void setAttribute(final int index, final Object value) throws Exception {
053            gbeanInstance.setAttribute(index, value);
054        }
055    
056        public Object invoke(final int index, final Object[] args) throws Exception {
057            return gbeanInstance.invoke(index, args);
058        }
059    }