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.naming.reference;
018    
019    import org.apache.geronimo.kernel.Kernel;
020    
021    /**
022     * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
023     */
024    public abstract class SimpleAwareReference extends SimpleReference implements KernelAwareReference, ClassLoaderAwareReference {
025        private transient Kernel kernel;
026        private transient ClassLoader classLoader;
027    
028        public final Kernel getKernel() throws IllegalStateException {
029            if (kernel == null) {
030                throw new IllegalStateException("Kernel has not been set");
031            }
032            return kernel;
033        }
034    
035        public final void setKernel(Kernel kernel) {
036            this.kernel = kernel;
037        }
038    
039        public ClassLoader getClassLoader() {
040            if (classLoader == null) {
041                throw new IllegalStateException("ClassLoader has not been set");
042            }
043            return classLoader;
044        }
045    
046        public void setClassLoader(ClassLoader classLoader) {
047            this.classLoader = classLoader;
048        }
049    }