com.espertech.esper.common.internal.epl.pattern.observer

Class TimerAtObserverForge

java.lang.Object

com.espertech.esper.common.internal.epl.pattern.observer.TimerAtObserverForge

All Implemented Interfaces:

ObserverForge, ScheduleHandleCallbackProvider

public class TimerAtObserverForge
extends Object
implements ObserverForge, ScheduleHandleCallbackProvider

Factory for 'crontab' observers that indicate truth when a time point was reached.

Constructor Summary

Constructors

Constructor and Description
TimerAtObserverForge()

Method Summary

Modifier and Type	Method and Description
void	collectSchedule(List<ScheduleHandleCallbackProvider> schedules)
CodegenExpression	makeCodegen(CodegenMethodScope parent, SAIFFInitializeSymbol symbols, CodegenClassScope classScope)
void	setObserverParameters(List<ExprNode> parameters, MatchedEventConvertorForge convertor, ExprValidationContext validationContext) Sets the observer object parameters.
void	setScheduleCallbackId(int id)

Methods inherited from class java.lang.Object

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

Constructor Detail

TimerAtObserverForge

public TimerAtObserverForge()

Method Detail

setObserverParameters

public void setObserverParameters(List<ExprNode> parameters,
                                  MatchedEventConvertorForge convertor,
                                  ExprValidationContext validationContext)
                           throws ObserverParameterException

Description copied from interface: ObserverForge

Sets the observer object parameters.

Specified by:

setObserverParameters in interface ObserverForge

Parameters:

parameters - is a list of parameters

convertor - for converting partial pattern matches to event-per-stream for expressions

validationContext - context

Throws:

ObserverParameterException - thrown to indicate a parameter problem

makeCodegen

public CodegenExpression makeCodegen(CodegenMethodScope parent,
                                     SAIFFInitializeSymbol symbols,
                                     CodegenClassScope classScope)

Specified by:

makeCodegen in interface ObserverForge

collectSchedule

public void collectSchedule(List<ScheduleHandleCallbackProvider> schedules)

Specified by:

collectSchedule in interface ObserverForge

setScheduleCallbackId

public void setScheduleCallbackId(int id)

Specified by:

setScheduleCallbackId in interface ScheduleHandleCallbackProvider