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
23package com.sun.org.apache.xml.internal.dtm.ref;
24
25import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator;
26import com.sun.org.apache.xml.internal.dtm.DTM;
27
28
29/**
30 * DTM Empty Axis Iterator. The class is immutable
31 */
32public final class EmptyIterator implements DTMAxisIterator
33{
34  private static final EmptyIterator INSTANCE =  new EmptyIterator();
35
36  public static DTMAxisIterator  getInstance() {return INSTANCE;}
37
38  private EmptyIterator(){}
39
40  public final  int  next(){ return END; }
41
42  public final DTMAxisIterator reset(){ return this; }
43
44  public final int getLast(){ return 0; }
45
46  public final int getPosition(){ return 1; }
47
48  public final void setMark(){}
49
50  public final void gotoMark(){}
51
52  public final DTMAxisIterator setStartNode(int node){ return this; }
53
54  public final int getStartNode(){ return END; }
55
56  public final boolean isReverse(){return false;}
57
58  public final DTMAxisIterator cloneIterator(){ return this; }
59
60  public final void setRestartable(boolean isRestartable) {}
61
62  public final int getNodeByPosition(int position){ return END; }
63}
64