Timer | 
TimerService.createCalendarTimer(ScheduleExpression schedule) | 
 Create a calendar-based timer based on the input schedule expression. 
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Timer | 
TimerService.createCalendarTimer(ScheduleExpression schedule,
                   TimerConfig timerConfig) | 
 Create a calendar-based timer based on the input schedule expression. 
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Timer | 
TimerService.createIntervalTimer(long initialDuration,
                   long intervalDuration,
                   TimerConfig timerConfig) | 
 Create an interval timer whose first expiration occurs after a specified duration, and whose subsequent expirations
 occur after a specified interval. 
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Timer | 
TimerService.createIntervalTimer(Date initialExpiration,
                   long intervalDuration,
                   TimerConfig timerConfig) | 
 Create an interval timer whose first expiration occurs at a given point in time and whose subsequent expirations
 occur after a specified interval. 
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Timer | 
TimerService.createSingleActionTimer(long duration,
                       TimerConfig timerConfig) | 
 Create a single-action timer that expires after a specified duration. 
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Timer | 
TimerService.createSingleActionTimer(Date expiration,
                       TimerConfig timerConfig) | 
 Create a single-action timer that expires at a given point in time. 
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Timer | 
TimerService.createTimer(long initialDuration,
           long intervalDuration,
           Serializable info) | 
 Create an interval timer whose first expiration occurs after a specified duration, and whose subsequent expirations
 occur after a specified interval. 
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Timer | 
TimerService.createTimer(long duration,
           Serializable info) | 
 Create a single-action timer that expires after a specified duration. 
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Timer | 
TimerService.createTimer(Date initialExpiration,
           long intervalDuration,
           Serializable info) | 
 Create an interval timer whose first expiration occurs at a given point in time and whose subsequent expirations
 occur after a specified interval. 
 | 
Timer | 
TimerService.createTimer(Date expiration,
           Serializable info) | 
 Create a single-action timer that expires at a given point in time. 
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Timer | 
TimerHandle.getTimer() | 
 Obtain a reference to the timer represented by this handle. 
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