001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  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 */
017package org.apache.commons.jxpath;
018
019/**
020 * More complete implementation for the XPath <code>"key()"</code> function.
021 * Returns NodeSet results and allows Object values for better compatibility
022 * with non-XML graphs.
023 *
024 * @author Sergey Vladimirov
025 * @author Matt Benson
026 * @since JXPath 1.3
027 * @version $Revision: 652845 $ $Date: 2008-05-02 19:46:46 +0200 (Fr, 02 Mai 2008) $
028 */
029public interface ExtendedKeyManager extends KeyManager {
030
031    /**
032     * Find a NodeSet by key/value.
033     * @param context base
034     * @param key String
035     * @param value Object
036     * @return NodeSet found
037     */
038    NodeSet getNodeSetByKey(JXPathContext context, String key, Object value);
039
040}