/*
***************************************************************************************
* 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. *
***************************************************************************************
*/
package com.espertech.esper.client;
/**
* Interface to receive notification from an engine that an event that has been sent into the engine or that
* has been generated via insert-into has not been matched to any statement, considering all started statement's
* event stream filter criteria (not considering where-clause and having-clauses).
* <p>
* Also see {@link EPRuntime#setUnmatchedListener(UnmatchedListener)}.
*/
public interface UnmatchedListener {
/**
* Called upon the engine encountering an event not matched to any of the event stream filters
* of any active statement.
*
* @param theEvent unmatched event
*/
public void update(EventBean theEvent);
}