01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package org.apache.xerces.dom;
19:
20: import java.io.Serializable;
21:
22: /**
23: * This class is used, via a pool managed on CoreDocumentImpl, in ParentNode to
24: * improve performance of the NodeList accessors, getLength() and item(i).
25: *
26: * @xerces.internal
27: *
28: * @author Arnaud Le Hors, IBM
29: *
30: * @version $Id: NodeListCache.java 447266 2006-09-18 05:57:49Z mrglavas $
31: */
32: class NodeListCache implements Serializable {
33:
34: /** Serialization version. */
35: private static final long serialVersionUID = -7927529254918631002L;
36:
37: /** Cached node list length. */
38: int fLength = -1;
39:
40: /** Last requested node index. */
41: int fChildIndex = -1;
42:
43: /** Last requested node. */
44: ChildNode fChild;
45:
46: /** Owner of this cache */
47: ParentNode fOwner;
48:
49: /** Pointer to the next object on the list,
50: only meaningful when actully stored in the free list. */
51: NodeListCache next;
52:
53: NodeListCache(ParentNode owner) {
54: fOwner = owner;
55: }
56: }
|