1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.xerces.internal.dom;
  23 
  24 import java.io.Serializable;
  25 
  26 /**
  27  * This class is used, via a pool managed on CoreDocumentImpl, in ParentNode to
  28  * improve performance of the NodeList accessors, getLength() and item(i).
  29  *
  30  * @xerces.internal
  31  *
  32  * @author Arnaud  Le Hors, IBM
  33  *
  34  * @version $Id: NodeListCache.java,v 1.6 2010/07/20 20:25:25 joehw Exp $
  35  */
  36 class NodeListCache implements Serializable {
  37 
  38     /** Serialization version. */
  39     private static final long serialVersionUID = -7927529254918631002L;
  40 
  41     /** Cached node list length. */
  42     int fLength = -1;
  43 
  44     /** Last requested node index. */
  45     int fChildIndex = -1;
  46 
  47     /** Last requested node. */
  48     ChildNode fChild;
  49 
  50     /** Owner of this cache */
  51     ParentNode fOwner;
  52 
  53     /** Pointer to the next object on the list,
  54         only meaningful when actully stored in the free list. */
  55     NodeListCache next;
  56 
  57     NodeListCache(ParentNode owner) {
  58         fOwner = owner;
  59     }
  60 }