001    /*
002     * Copyright 2001-2004 The Apache Software Foundation
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *     http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.apache.commons.cache.remote;
017    
018    import java.io.Serializable;
019    
020    /**
021     * tk.
022     *
023     * @version $Id: ContainsRequest.java 155435 2005-02-26 13:17:27Z dirkv $
024     * @author Rodney Waldhoff
025     */
026    public class ContainsRequest implements CacheRequest {
027      protected Serializable _key = null;
028    
029      public ContainsRequest(Serializable key) {
030        _key = key;
031      }
032    
033      public Serializable getKey() {
034        return _key;
035      }
036    
037      public boolean equals(ContainsRequest req) {
038        return ( (null != req)  && (null == req.getKey() ? null == _key : _key.equals(req.getKey())) );
039      }
040    
041      public int hashCode() {
042        return (null == _key ? -1 : _key.hashCode());
043      }
044    }