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/*

 * 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

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 * Unless required by applicable law or agreed to in writing, software

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package com.sun.org.apache.xml.internal.dtm.ref;

import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator;

import com.sun.org.apache.xml.internal.dtm.DTM;

/**

 * DTM Empty Axis Iterator. The class is immutable

 */

public final class EmptyIterator implements DTMAxisIterator

{

  private static final EmptyIterator INSTANCE =  new EmptyIterator();

  public static DTMAxisIterator  getInstance() {return INSTANCE;}

  private EmptyIterator(){}

  public final  int  next(){ return END; }

  public final DTMAxisIterator reset(){ return this; }

  public final int getLast(){ return 0; }

  public final int getPosition(){ return 1; }

  public final void setMark(){}

  public final void gotoMark(){}

  public final DTMAxisIterator setStartNode(int node){ return this; }

  public final int getStartNode(){ return END; }

  public final boolean isReverse(){return false;}

  public final DTMAxisIterator cloneIterator(){ return this; }

  public final void setRestartable(boolean isRestartable) {}

  public final int getNodeByPosition(int position){ return END; }

}