    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 */
    017
    018package org.apache.commons.jxpath;
    019
    020/**
    021 * More complete implementation for the XPath {@code "key()"} function. Returns NodeSet results and allows Object values for better compatibility with non-XML
    022 * graphs.
    023 *
    024 * @since JXPath 1.3
    025 */
    026public interface ExtendedKeyManager extends KeyManager {
    027
    028    /**
    029     * Find a NodeSet by key/value.
    030     *
    031     * @param context base
    032     * @param key     String
    033     * @param value   Object
    034     * @return NodeSet found
    035     */
    036    NodeSet getNodeSetByKey(JXPathContext context, String key, Object value);
    037}