com.espertech.esper.epl.agg.service.common.AggregationServiceMatchRecognize Maven / Gradle / Ivy
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Complex event processing and event series analysis component
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/*
***************************************************************************************
* 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.epl.agg.service.common;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.expression.core.ExprEvaluatorContext;
/**
* Aggregation result future for use with match recognize.
*/
public interface AggregationServiceMatchRecognize extends AggregationResultFuture {
/**
* Enter a single event row consisting of one or more events per stream (each stream representing a variable).
*
* @param eventsPerStream events per stream
* @param streamId variable number that is the base
* @param exprEvaluatorContext context for expression evaluatiom
*/
public void applyEnter(EventBean[] eventsPerStream, int streamId, ExprEvaluatorContext exprEvaluatorContext);
/**
* Clear current aggregation state.
*/
public void clearResults();
}