    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    package org.apache.commons.jxpath;
    018
    019    /**
    020     * A delegate of {@link JXPathContext} that implements the XPath <code>"id()"</code>
    021     * function. This delegate is only used when there is no default implementation
    022     * of the <code>id()</code> function. For example, it is <i>not</i> used
    023     * when the root of the context is a DOM Node.
    024     *
    025     * @author Dmitri Plotnikov
    026     * @version $Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $
    027     */
    028    public interface IdentityManager {
    029
    030        /**
    031         * Finds a node by its ID.
    032         * @param context JXPathContext
    033         * @param id String
    034         * @return Pointer
    035         */
    036        Pointer getPointerByID(JXPathContext context, String id);
    037    }