/**************************************************************************************
* 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 java.util.Iterator;
import java.util.NoSuchElementException;
/**
* Iterator for iterating over an array of events up to a given max number of events.
*/
public class ArrayMaxEventIterator implements Iterator<EventBean>
{
private final EventBean[] events;
private final int maxNumEvents;
private int position;
/**
* Ctor.
* @param events to iterate
* @param maxNumEvents max to iterate
*/
public ArrayMaxEventIterator(EventBean[] events, int maxNumEvents)
{
this.events = events;
this.maxNumEvents = maxNumEvents;
}
public boolean hasNext()
{
if ((events == null) || (position >= events.length) || (position >= maxNumEvents))
{
return false;
}
return true;
}
public EventBean next()
{
if ((events == null) || (position >= events.length) || (position >= maxNumEvents))
{
throw new NoSuchElementException();
}
return events[position++];
}
public void remove()
{
throw new UnsupportedOperationException();
}
}