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    1   /*
    2    * Copyright 1999-2004 The Apache Software Foundation
    3    *
    4    * Licensed under the Apache License, Version 2.0 (the "License");
    5    * you may not use this file except in compliance with the License.
    6    * You may obtain a copy of the License at
    7    *
    8    *     http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  package org.apache.commons.jxpath;
    17
    18  /***
    19   * A delegate of JXPathContext that implements the XPath <code>"id()"</code>
    20   * function. This delegate is only used when there is no default implementation
    21   * of the <code>id()</code> function. For example, it is <i>not</i> used
    22   * when the root of the context is a DOM Node.
    23   *
    24   * @author Dmitri Plotnikov
    25   * @version $Revision: 1.4 $ $Date: 2004/02/29 14:17:42 $
    26   */
    27  public interface IdentityManager {
    28
    29      /***
    30       * Finds a node by its ID.
    31       */
    32      Pointer getPointerByID(JXPathContext context, String id);
    33  }