1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.jxpath;
18
19 /**
20 * A delegate of {@link JXPathContext} that implements the XPath <code>"id()"</code>
21 * function. This delegate is only used when there is no default implementation
22 * of the <code>id()</code> function. For example, it is <i>not</i> used
23 * when the root of the context is a DOM Node.
24 *
25 * @author Dmitri Plotnikov
26 * @version $Revision: 652845 $ $Date: 2008-05-02 19:46:46 +0200 (Fr, 02 Mai 2008) $
27 */
28 public interface IdentityManager {
29
30 /**
31 * Finds a node by its ID.
32 * @param context JXPathContext
33 * @param id String
34 * @return Pointer
35 */
36 Pointer getPointerByID(JXPathContext context, String id);
37 }