General exceptions for Spring's scheduling support, independent of any specific scheduling system.


SchedulingAwareRunnable Extension of the Runnable interface, adding special callbacks for long-running operations. 
SchedulingTaskExecutor A TaskExecutor extension exposing scheduling characteristics that are relevant to potential task submitters. 
TaskScheduler Task scheduler interface that abstracts the scheduling of Runnable Runnables based on different kinds of triggers. 
Trigger Common interface for trigger objects that determine the next execution time of a task that they get associated with. 
TriggerContext Context object encapsulating last execution times and last completion time of a given task. 


SchedulingException General exception to be thrown on scheduling failures, such as the scheduler already having shut down.