/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
/*
* Credit: Apache Commons Collections
*/
package com.espertech.esper.collection.apachecommons;
import java.util.Iterator;
/**
* Provides an implementation of an empty iterator.
* <p>
* This class provides an implementation of an empty iterator.
* This class provides for binary compatability between Commons Collections
* 2.1.1 and 3.1 due to issues with <code>IteratorUtils</code>.
*
* @author Stephen Colebourne
* @version $Revision$ $Date$
* @since Commons Collections 2.1.1 and 3.1
*/
public class EmptyIterator extends AbstractEmptyIterator implements ResettableIterator {
/**
* Singleton instance of the iterator.
*
* @since Commons Collections 3.1
*/
public static final ResettableIterator RESETTABLE_INSTANCE = new EmptyIterator();
/**
* Singleton instance of the iterator.
*
* @since Commons Collections 2.1.1 and 3.1
*/
public static final Iterator INSTANCE = RESETTABLE_INSTANCE;
/**
* Constructor.
*/
protected EmptyIterator() {
super();
}
}