Package org.apache.tapestry5.ioc.services.cron

Class IntervalSchedule

  • All Implemented Interfaces:
    Schedule
    public class IntervalSchedule
extends java.lang.Object
implements Schedule
    A very simple schedule, that simply executes the desired job at fixed intervals.
    Since:
    5.3

    • Constructor Summary

      Constructors 
      Constructor Description
      IntervalSchedule​(long interval)
      Interval at which the schedule should execute jobs.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      long firstExecution()
      For a newly created job, what is the start time for the job.
      long nextExecution​(long previousExecution)
      Computes the next execution time for a job.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • IntervalSchedule

        public IntervalSchedule​(long interval)
        Interval at which the schedule should execute jobs. The first execution is delayed from current time by the interval as well.
        Parameters:
        interval - in milliseconds

    • Method Detail

      • firstExecution

        public long firstExecution()
        Description copied from interface: Schedule
        For a newly created job, what is the start time for the job. Often, the current clock time is returned, to start a job as soon as possible.
        Specified by:
        firstExecution in interface Schedule
        Returns:
        start time for new job, in system clock millis

      • nextExecution

        public long nextExecution​(long previousExecution)
        Description copied from interface: Schedule
        Computes the next execution time for a job.
        Specified by:
        nextExecution in interface Schedule
        Parameters:
        previousExecution - time of previous execution (in system clock millis)
        Returns:
        time of next execution (in system clock millis) or a value <= 0 to cancel the job's execution