001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements. See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership. The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the  "License");
007     * you may not use this file except in compliance with the License.
008     * You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    /*
019     * $Id: NodeTestFilter.java 468655 2006-10-28 07:12:06Z minchau $
020     */
021    package org.apache.xpath.patterns;
022    
023    /**
024     * This interface should be implemented by Nodes and/or iterators,
025     * when they need to know what the node test is before they do
026     * getNextChild, etc.
027     */
028    public interface NodeTestFilter
029    {
030    
031      /**
032       * Set the node test for this filter.
033       *
034       *
035       * @param nodeTest Reference to a NodeTest that may be used to predetermine 
036       *                 what nodes to return.
037       */
038      void setNodeTest(NodeTest nodeTest);
039    }