/*
***************************************************************************************
* 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.expression.time;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.core.context.util.AgentInstanceContext;
import com.espertech.esper.epl.expression.core.ExprEvaluatorContext;
public interface ExprTimePeriodEvalDeltaNonConst {
public long deltaAdd(long currentTime, EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context);
public long deltaSubtract(long currentTime, EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context);
public long deltaUseEngineTime(EventBean[] eventsPerStream, AgentInstanceContext agentInstanceContext);
public ExprTimePeriodEvalDeltaResult deltaAddWReference(long current, long reference, EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context);
}