com.espertech.esper.epl.expression.funcs
Interface ExprCastNode.CasterParserComputer

All Known Implementing Classes:

ExprCastNode.NonnumericCasterComputer, ExprCastNode.NumberCasterComputer, ExprCastNode.StringParserComputer, ExprCastNode.StringToCalendarWDynamicFormatComputer, ExprCastNode.StringToCalendarWStaticFormatComputer, ExprCastNode.StringToCalendarWStaticISOFormatComputer, ExprCastNode.StringToDateLongWDynamicFormat, ExprCastNode.StringToDateLongWStaticFormat, ExprCastNode.StringToDateWDynamicFormatComputer, ExprCastNode.StringToDateWStaticFormatComputer, ExprCastNode.StringToDateWStaticISOFormatComputer, ExprCastNode.StringToLongWDynamicFormatComputer, ExprCastNode.StringToLongWStaticFormatComputer, ExprCastNode.StringToLongWStaticISOFormatComputer, ExprCastNode.StringXFormComputer

Enclosing class:

ExprCastNode

public static interface ExprCastNode.CasterParserComputer

Casting and parsing computer.

Method Summary

java.lang.Object	compute(java.lang.Object input, EventBean[] eventsPerStream, boolean newData, ExprEvaluatorContext exprEvaluatorContext) Compute an result performing casting and parsing.
boolean	isConstantForConstInput()

Method Detail

compute

java.lang.Object compute(java.lang.Object input,
                         EventBean[] eventsPerStream,
                         boolean newData,
                         ExprEvaluatorContext exprEvaluatorContext)

Compute an result performing casting and parsing.

Parameters:

input - to process

eventsPerStream - events per stream

newData - new data indicator

exprEvaluatorContext - evaluation context

Returns:

cast or parse result

isConstantForConstInput

boolean isConstantForConstInput()