/*
***************************************************************************************
* 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.pattern.observer;
import com.espertech.esper.pattern.MatchedEventMap;
import com.espertech.esper.pattern.PatternAgentInstanceContext;
/**
* For use by {@link EventObserver} instances to place an event for processing/evaluation.
*/
public interface ObserverEventEvaluator {
/**
* Indicate an event for evaluation (sub-expression the observer represents has turned true).
*
* @param matchEvent is the matched events so far
* @param quitted whether the observer quit, usually "true" for most observers
*/
public void observerEvaluateTrue(MatchedEventMap matchEvent, boolean quitted);
/**
* Indicate that the observer turned permanently false.
*
* @param restartable true for whether it can restart
*/
public void observerEvaluateFalse(boolean restartable);
public PatternAgentInstanceContext getContext();
}