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: PathComponent.java 468655 2006-10-28 07:12:06Z minchau $
020     */
021    package org.apache.xpath.axes;
022    
023    /**
024     * Classes who implement this information provide information needed for 
025     * static analysis of a path component.
026     */
027    public interface PathComponent
028    {
029      /** 
030       * Get the analysis bits for this path component, as defined in the WalkerFactory.
031       * @return One of WalkerFactory#BIT_DESCENDANT, etc.
032       */
033      public int getAnalysisBits();
034    
035    }
036