SafeIteratorNull.java

/**************************************************************************************
 * Copyright (C) 2008 EsperTech, Inc. All rights reserved.                            *
 * http://esper.codehaus.org                                                          *
 * 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.  *
 **************************************************************************************/
package com.espertech.esper.collection;

import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.SafeIterator;

import java.util.NoSuchElementException;

public class SafeIteratorNull<E> implements SafeIterator<E>
{
    public static final SafeIterator<EventBean> NULL_EVENT_ITER = new SafeIteratorNull<EventBean>();

    /**
     * Ctor.
     */
    public SafeIteratorNull()
    {
    }

    public boolean hasNext()
    {
        return false;
    }

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

    public void close()
    {
    }

    public void remove()
    {
        throw new UnsupportedOperationException("Remove operation not supported");
    }
}