/**************************************************************************************
* 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.pattern.observer;
/**
* Observers observe and indicate other external events such as timing events.
*/
public interface EventObserver
{
/**
* Start observing.
*/
public void startObserve();
/**
* Stop observing.
*/
public void stopObserve();
}