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

Class ExprPriorEvalStrategyRandomAccess

java.lang.Object

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

All Implemented Interfaces:

PriorEvalStrategy

public class ExprPriorEvalStrategyRandomAccess
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
ExprPriorEvalStrategyRandomAccess(RandomAccessByIndex randomAccess)

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

ExprPriorEvalStrategyRandomAccess

public ExprPriorEvalStrategyRandomAccess(RandomAccessByIndex randomAccess)

Method Details

getSubstituteEvent

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

Specified by:

getSubstituteEvent in interface PriorEvalStrategy