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

Class ExprCastNode.StringXFormComputer

java.lang.Object

com.espertech.esper.common.internal.epl.expression.funcs.ExprCastNode.StringXFormComputer

All Implemented Interfaces:

ExprCastNode.CasterParserComputer, ExprCastNode.CasterParserComputerForge

Enclosing class:

ExprCastNode

public static class ExprCastNode.StringXFormComputer
extends Object
implements ExprCastNode.CasterParserComputerForge, ExprCastNode.CasterParserComputer

Casting and parsing computer.

Constructor Summary

Constructors

Constructor	Description
StringXFormComputer()

Method Summary

Modifier and Type	Method	Description
CodegenExpression	codegenPremade(EPTypeClass evaluationType, CodegenExpression input, EPTypeClass inputType, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
Object	compute(Object input, EventBean[] eventsPerStream, boolean newData, ExprEvaluatorContext exprEvaluatorContext)	Compute an result performing casting and parsing.
ExprCastNode.CasterParserComputer	getEvaluatorComputer()
boolean	isConstantForConstInput()

Methods inherited from class java.lang.Object

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

Constructor Details

StringXFormComputer

public StringXFormComputer()

Method Details

compute

public Object compute(Object input,
 EventBean[] eventsPerStream,
 boolean newData,
 ExprEvaluatorContext exprEvaluatorContext)

Description copied from interface: ExprCastNode.CasterParserComputer

Compute an result performing casting and parsing.

Specified by:

compute in interface ExprCastNode.CasterParserComputer

Parameters:

input - to process

eventsPerStream - events per stream

newData - new data indicator

exprEvaluatorContext - evaluation context

Returns:

cast or parse result

isConstantForConstInput

public boolean isConstantForConstInput()

Specified by:

isConstantForConstInput in interface ExprCastNode.CasterParserComputerForge

codegenPremade

public CodegenExpression codegenPremade(EPTypeClass evaluationType,
 CodegenExpression input,
 EPTypeClass inputType,
 CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

Specified by:

codegenPremade in interface ExprCastNode.CasterParserComputerForge

getEvaluatorComputer

public ExprCastNode.CasterParserComputer getEvaluatorComputer()

Specified by:

getEvaluatorComputer in interface ExprCastNode.CasterParserComputerForge