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

Class TimerWithinOrMaxCountGuard

java.lang.Object

com.espertech.esper.common.internal.epl.pattern.guard.TimerWithinOrMaxCountGuard

All Implemented Interfaces:

Guard, ScheduleHandleCallback

public class TimerWithinOrMaxCountGuard
extends Object
implements Guard, ScheduleHandleCallback

Guard implementation that keeps a timer instance and quits when the timer expired, and also keeps a count of the number of matches so far, checking both count and timer, letting all MatchedEventMap instances pass until then.

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME_AUDITPROVIDER_SCHEDULE

Constructor Summary

Constructors

Constructor and Description
TimerWithinOrMaxCountGuard(long deltaTime, int numCountTo, Quitable quitable) Ctor.

Method Summary

Modifier and Type	Method and Description
void	accept(EventGuardVisitor visitor)
boolean	inspect(MatchedEventMap matchEvent) Returns true if inspection shows that the match events can pass, or false to not pass.
void	scheduledTrigger() Callback that is invoked as indicated by a schedule added to the scheduling service.
void	startGuard() Start the guard operation.
void	stopGuard() Called when sub-expression quits, or when the pattern stopped.

Methods inherited from class java.lang.Object

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

Field Detail

NAME_AUDITPROVIDER_SCHEDULE

public static final String NAME_AUDITPROVIDER_SCHEDULE

See Also:

Constant Field Values

Constructor Detail

TimerWithinOrMaxCountGuard

public TimerWithinOrMaxCountGuard(long deltaTime,
                                  int numCountTo,
                                  Quitable quitable)

Ctor.

Parameters:

deltaTime - - number of millisecond to guard expiration

numCountTo - - max number of counts

quitable - - to use to indicate that the gaurd quitted

Method Detail

startGuard

public void startGuard()

Description copied from interface: Guard

Start the guard operation.

Specified by:

startGuard in interface Guard

inspect

public boolean inspect(MatchedEventMap matchEvent)

Description copied from interface: Guard

Returns true if inspection shows that the match events can pass, or false to not pass.

Specified by:

inspect in interface Guard

Parameters:

matchEvent - is the map of matching events

Returns:

true to pass, false to not pass

stopGuard

public void stopGuard()

Description copied from interface: Guard

Called when sub-expression quits, or when the pattern stopped.

Specified by:

stopGuard in interface Guard

scheduledTrigger

public void scheduledTrigger()

Description copied from interface: ScheduleHandleCallback

Callback that is invoked as indicated by a schedule added to the scheduling service.

Specified by:

scheduledTrigger in interface ScheduleHandleCallback

accept

public void accept(EventGuardVisitor visitor)

Specified by:

accept in interface Guard