Package 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

Modifier and Type	Method	Description
PeriodicJob	addJob(Schedule schedule, java.lang.String name, java.lang.Runnable job)	Adds a job to be executed.
void	init()	Initializes this service.

Method Detail

addJob

PeriodicJob addJob(Schedule schedule,
                   java.lang.String name,
                   java.lang.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

init

void init()

Initializes this service. Never call this method direclty. It's intended for internal Tapestry-IoC usage only.