EmptyIterator.java

/*
 * ome.util.ContextFilter
 *
 *   Copyright 2006 University of Dundee. All rights reserved.
 *   Use is subject to license terms supplied in LICENSE.txt
 */

package ome.util;

import java.util.Iterator;
import java.util.NoSuchElementException;

/**
 * utility iterator which does nothing as quickly as possible.
 * 
 * @author Josh Moore      <a
 *         href="mailto:josh.moore@gmx.de">josh.moore@gmx.de</a>
 * @version 3.0
 * @since 3.0
 */
public class EmptyIterator<E> implements Iterator<E> {

    public boolean hasNext() {
        return false;
    }

    public E next() {
        throw new NoSuchElementException();
    }

    public void remove() {
        throw new UnsupportedOperationException();
    }

}