@PersistJobDataAfterExecution @DisallowConcurrentExecution public interface StatefulJob extends Job
s that wish to have their state maintained between executions.
StatefulJob instances follow slightly different rules from
Job instances. The key difference is that their
is re-persisted after every
execution of the job, thus preserving state for the next execution. The
other difference is that stateful jobs are not allowed to execute
concurrently, which means new triggers that occur before the completion of
execute(xx) method will be delayed.
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