Package org.silverpeas.core.scheduler.trigger

Provides job trigger definitions. A trigger defines the rules to trigger in the time the execution execution of a job. It provides a simplified way to extend and to define new way to trigger a job execution without changing the scheduler's interface.

Interface Summary

Interface	Description
CronExpression	A well-formed cron expression.
CronExpressionFactory	A factory to build CronExpression instances whose implementation is provided by the scheduling engine used as backend of the Silverpeas Scheduler API.
JobTriggerVisitor	A visitor of a job trigger.

Class Summary

Class	Description
CronJobTrigger	This job trigger fires a job execution at given moments in time, defined with a Unix cron-like definition.
FixedDateTimeJobTrigger	A job trigger that fires the execution of a job at a specified date and time.
FixedPeriodJobTrigger	A job trigger that fires repeatedly the execution of a job at a specified interval.
JobTrigger	A trigger of a job execution.
JobTriggerProvider	A factory of job triggers.

Enum Summary

Enum	Description
TimeUnit	The unit of times as used and supported by the scheduling system in Silverpeas.