com.espertech.esper.epl.expression.funcs

Class ExprCastNode.StringParserComputer

java.lang.Object

com.espertech.esper.epl.expression.funcs.ExprCastNode.StringParserComputer

All Implemented Interfaces:

ExprCastNode.CasterParserComputer, ExprCastNode.CasterParserComputerForge

Enclosing class:

ExprCastNode

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

Casting and parsing computer.

Constructor Summary

Constructors

Constructor and Description
StringParserComputer(SimpleTypeParser parser)

Method Summary

Modifier and Type	Method and Description
CodegenExpression	codegenPremade(Class evaluationType, CodegenExpression input, Class inputType, CodegenContext context, CodegenParamSetExprPremade params)
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 Detail

StringParserComputer

public StringParserComputer(SimpleTypeParser parser)

Method Detail

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(Class evaluationType,
                                        CodegenExpression input,
                                        Class inputType,
                                        CodegenContext context,
                                        CodegenParamSetExprPremade params)

Specified by:

codegenPremade in interface ExprCastNode.CasterParserComputerForge

getEvaluatorComputer

public ExprCastNode.CasterParserComputer getEvaluatorComputer()

Specified by:

getEvaluatorComputer in interface ExprCastNode.CasterParserComputerForge