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

Class ExprInNodeForgeEvalNoColl

java.lang.Object

com.espertech.esper.common.internal.epl.expression.ops.ExprInNodeForgeEvalNoColl

All Implemented Interfaces:

ExprEvaluator

public class ExprInNodeForgeEvalNoColl
extends Object
implements ExprEvaluator

Represents the in-clause (set check) function in an expression tree.

Field Summary

Fields inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprEvaluator

EPTYPE, EPTYPEARRAY

Constructor Summary

Constructors

Constructor	Description
ExprInNodeForgeEvalNoColl(ExprInNodeForge forge, ExprEvaluator[] evaluators)

Method Summary

Modifier and Type	Method	Description
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext)	Evaluate event tuple and return result.

Methods inherited from class java.lang.Object

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

Constructor Details

ExprInNodeForgeEvalNoColl

public ExprInNodeForgeEvalNoColl(ExprInNodeForge forge,
 ExprEvaluator[] evaluators)

Method Details

evaluate

public Object evaluate(EventBean[] eventsPerStream,
 boolean isNewData,
 ExprEvaluatorContext exprEvaluatorContext)

Description copied from interface: ExprEvaluator

Evaluate event tuple and return result.

Specified by:

evaluate in interface ExprEvaluator

Parameters:

eventsPerStream - - event tuple

isNewData - - indicates whether we are dealing with new data (istream) or old data (rstream)

exprEvaluatorContext - context for expression evaluation

Returns:

evaluation result, a boolean value for OR/AND-type evalution nodes.