001    /**
002     * Copyright (C) 2009-2011 the original author or authors.
003     * See the notice.md file distributed with this work for additional
004     * information regarding copyright ownership.
005     *
006     * Licensed under the Apache License, Version 2.0 (the "License");
007     * you may not use this file except in compliance with the License.
008     * You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package org.fusesource.restygwt.client.cache;
020    
021    /**
022     * just a string implementation of a cachekey
023     *
024     * @author abalke
025     */
026    public class SimpleCacheKey implements CacheKey {
027    
028        private final String identifier;
029    
030        public SimpleCacheKey(final String identifier) {
031            this.identifier = identifier;
032        }
033    
034        @Override
035        public int hashCode() {
036            return identifier.hashCode();
037        }
038    
039        @Override
040        public boolean equals(Object anObject) {
041            if (anObject instanceof CacheKey) {
042                CacheKey aCacheKey = (CacheKey) anObject;
043    
044                if (aCacheKey.toString().equals(toString())) {
045                    return true;
046                }
047            }
048    
049            return false;
050        }
051    
052        @Override
053        public String toString() {
054            return identifier;
055        }
056    }