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

Class ExprInNodeForgeEvalWColl

java.lang.Object

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

All Implemented Interfaces:

ExprEvaluator

public class ExprInNodeForgeEvalWColl
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
ExprInNodeForgeEvalWColl(ExprInNodeForge forge, ExprEvaluator[] evaluators)

Method Summary

Modifier and Type	Method	Description
static CodegenExpression	codegen(ExprInNodeForge forge, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
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

ExprInNodeForgeEvalWColl

public ExprInNodeForgeEvalWColl(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.

codegen

public static CodegenExpression codegen(ExprInNodeForge forge,
 CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)