com.espertech.esper.epl.expression.funcs

Class ExprPlugInSingleRowNodeForgeConst

java.lang.Object

com.espertech.esper.epl.expression.funcs.ExprPlugInSingleRowNodeForge

com.espertech.esper.epl.expression.funcs.ExprPlugInSingleRowNodeForgeConst

All Implemented Interfaces:

ExprEvaluator, ExprForge

public class ExprPlugInSingleRowNodeForgeConst
extends ExprPlugInSingleRowNodeForge
implements ExprEvaluator

Constructor Summary

Constructors

Constructor and Description
ExprPlugInSingleRowNodeForgeConst(ExprPlugInSingleRowNode parent, Object constantResult, Method method)

Method Summary

Modifier and Type	Method and Description
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) Evaluate event tuple and return result.
CodegenExpression	evaluateCodegen(CodegenParamSetExprPremade params, CodegenContext context)
ExprForgeComplexityEnum	getComplexity()
Class	getEvaluationType()
ExprEvaluator	getExprEvaluator()

Methods inherited from class com.espertech.esper.epl.expression.funcs.ExprPlugInSingleRowNodeForge

getForgeRenderable, isReturnsConstantResult

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprPlugInSingleRowNodeForgeConst

public ExprPlugInSingleRowNodeForgeConst(ExprPlugInSingleRowNode parent,
                                         Object constantResult,
                                         Method method)

Method Detail

getExprEvaluator

public ExprEvaluator getExprEvaluator()

Specified by:

getExprEvaluator in interface ExprForge

getEvaluationType

public Class getEvaluationType()

Specified by:

getEvaluationType in interface ExprForge

evaluate

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

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)

context - context for expression evaluation

Returns:

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

evaluateCodegen

public CodegenExpression evaluateCodegen(CodegenParamSetExprPremade params,
                                         CodegenContext context)

Specified by:

evaluateCodegen in interface ExprForge

getComplexity

public ExprForgeComplexityEnum getComplexity()

Specified by:

getComplexity in interface ExprForge