org.apache.xerces.dom.NodeListCache Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xerces.dom;
import java.io.Serializable;
/**
* This class is used, via a pool managed on CoreDocumentImpl, in ParentNode to
* improve performance of the NodeList accessors, getLength() and item(i).
*
* @xerces.internal
*
* @author Arnaud Le Hors, IBM
*
* @version $Id: NodeListCache.java 447266 2006-09-18 05:57:49Z mrglavas $
*/
class NodeListCache implements Serializable {
/** Serialization version. */
private static final long serialVersionUID = -7927529254918631002L;
/** Cached node list length. */
int fLength = -1;
/** Last requested node index. */
int fChildIndex = -1;
/** Last requested node. */
ChildNode fChild;
/** Owner of this cache */
ParentNode fOwner;
/** Pointer to the next object on the list,
only meaningful when actully stored in the free list. */
NodeListCache next;
NodeListCache(ParentNode owner) {
fOwner = owner;
}
}