001    /*
002     * Copyright 2010 the original author or authors.
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 com.hs.mail.imap.message.search;
017    
018    import org.apache.commons.collections.ListUtils;
019    
020    /**
021     * This class implements the logical OR operator on individual SearchKeys.
022     * 
023     * @author Won Chul Doh
024     * @since Jan 30, 2010
025     * 
026     */
027    public final class OrKey extends SearchKeyList {
028    
029            public OrKey(SearchKey k1, SearchKey k2) {
030                    super();
031                    addKey(k1);
032                    addKey(k2);
033            }
034    
035            public boolean equals(Object obj) {
036                    if (!(obj instanceof OrKey))
037                            return false;
038                    return ListUtils.isEqualList(keys, ((OrKey) obj).getSearchKeys());
039            }
040    
041        public int hashCode() {
042                    return ListUtils.hashCodeForList(keys);
043            }
044    
045            @Override
046            public boolean isComposite() {
047                    return true;
048            }
049    
050    }