org.apache.tapestry5.ioc.services.cron
Interface PeriodicExecutor

All Known Implementing Classes:

PeriodicExecutorImpl

public interface PeriodicExecutor

A service that executes a job at intervals specified by a Schedule.

Since:

5.3

Method Summary

PeriodicJob

addJob(Schedule schedule, String name, Runnable job) Adds a job to be executed.

Method Detail

addJob

PeriodicJob addJob(Schedule schedule,
                   String name,
                   Runnable job)

Adds a job to be executed. The job is executed in a thread pool (via ParallelExecutor.invoke(org.apache.tapestry5.ioc.Invokable)), as determined by the schedule.

Parameters:

schedule - defines when the job will next execute

name - a name used in debugging output related to the job

job - a Runnable object that represents the work to be done

Returns:

a PeriodicJob that can be used to query when the job executes, or to cancel its execution