Package com.espertech.esper.common.internal.epl.expression.prior

Class ExprPriorEvalStrategyRelativeAccess

java.lang.Object

com.espertech.esper.common.internal.epl.expression.prior.ExprPriorEvalStrategyRelativeAccess

All Implemented Interfaces:

PriorEvalStrategy

public class ExprPriorEvalStrategyRelativeAccess
extends Object
implements PriorEvalStrategy

Represents the 'prior' prior event function in an expression node tree.

Field Summary

Fields inherited from interface com.espertech.esper.common.internal.epl.expression.prior.PriorEvalStrategy

EMPTY_ARRAY, EPTYPE

Constructor Summary

Constructors

Constructor	Description
ExprPriorEvalStrategyRelativeAccess(RelativeAccessByEventNIndex relativeAccess)

Method Summary

Modifier and Type	Method	Description
EventBean	getSubstituteEvent(EventBean originalEvent, boolean isNewData, int constantIndexNumber, int relativeIndex, ExprEvaluatorContext exprEvaluatorContext, int streamNum)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ExprPriorEvalStrategyRelativeAccess

public ExprPriorEvalStrategyRelativeAccess(RelativeAccessByEventNIndex relativeAccess)

Method Details

getSubstituteEvent

public EventBean getSubstituteEvent(EventBean originalEvent,
 boolean isNewData,
 int constantIndexNumber,
 int relativeIndex,
 ExprEvaluatorContext exprEvaluatorContext,
 int streamNum)

Specified by:

getSubstituteEvent in interface PriorEvalStrategy