com.espertech.esper.epl.expression.funcs
Class ExprCastNode.StringToDateLongWDynamicFormat

java.lang.Object
  com.espertech.esper.epl.expression.funcs.ExprCastNode.StringToDateLongWDynamicFormat

All Implemented Interfaces:

ExprCastNode.CasterParserComputer

Direct Known Subclasses:

ExprCastNode.StringToCalendarWDynamicFormatComputer, ExprCastNode.StringToDateWDynamicFormatComputer, ExprCastNode.StringToLongWDynamicFormatComputer

Enclosing class:

ExprCastNode

public abstract static class ExprCastNode.StringToDateLongWDynamicFormat
extends java.lang.Object
implements ExprCastNode.CasterParserComputer

Constructor Summary

protected

ExprCastNode.StringToDateLongWDynamicFormat(ExprEvaluator dateFormatEval)

Method Summary

java.lang.Object	compute(java.lang.Object input, EventBean[] eventsPerStream, boolean newData, ExprEvaluatorContext exprEvaluatorContext) Compute an result performing casting and parsing.
protected abstract java.lang.Object	computeFromFormat(java.lang.String dateFormat, java.text.SimpleDateFormat format, java.lang.Object input)
boolean	isConstantForConstInput()

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprCastNode.StringToDateLongWDynamicFormat

protected ExprCastNode.StringToDateLongWDynamicFormat(ExprEvaluator dateFormatEval)

Method Detail

computeFromFormat

protected abstract java.lang.Object computeFromFormat(java.lang.String dateFormat,
                                                      java.text.SimpleDateFormat format,
                                                      java.lang.Object input)
                                               throws java.text.ParseException

Throws:

java.text.ParseException

isConstantForConstInput

public boolean isConstantForConstInput()

Specified by:

isConstantForConstInput in interface ExprCastNode.CasterParserComputer

compute

public java.lang.Object compute(java.lang.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