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## org.springframework.scheduling
Interface Trigger

All Known Implementing Classes:
  CronTrigger, PeriodicTrigger

    public interface Trigger

Common interface for trigger objects that determine the next execution time of a task that they get associated with.

Since:
  3.0
Author:
  Juergen Hoeller
See Also:
  `TaskScheduler.schedule(Runnable, Trigger)`, `CronTrigger`

Method Summary
`Date` | `nextExecutionTime(TriggerContext triggerContext)` Determine the next execution time according to the given trigger context.

Method Detail

### nextExecutionTime

    Date nextExecutionTime(TriggerContext triggerContext)

  Determine the next execution time according to the given trigger context.

  Parameters:
    `triggerContext` - context object encapsulating last execution times and last completion time
  Returns:
    the next execution time as defined by the trigger, or `null` if the trigger won't fire anymore

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