Package org.mmbase.applications.crontab

An MMBase CronDaemon implementation.

See:
Description

Interface Summary

CronJob	CronJobs are simply 'Runnable' but also have a init-method, which is called by CronDaemon.
Events.Listener	The associated listener
Interruptable.CallBack
ProposedJobs.Listener	The associated listener

Class Summary

AbstractCronJob	A straight-forward abstract implementation of CronJob.
CronDaemon	CronDaemon is a "crontab" clone written in java.
CronEntry	Defines one entry for CronDaemon.
CronEntryField	One the fields of the 'crontab' syntax, which is something like '*' or '* /5' or 5-23.
Events
Events.Broker	The associated broker
Events.Event
Interruptable	A Runnable wich also has an 'interrupt' method.
MemoryWarner	Performs Runtime.gc(), and if afterwards the used memory is above a certain fraction of the maximally used memory, mail a warning to someone.
MMBaseCacheClearerJob	Periodically clears MMBase caches.
MMBaseQueryJob	If periodicly some SQL query must be executed (e.g.
MMBaseStatsJob	An example cron-job.
ProposedJobs	Wraps a CronEntry with a proposed start date.
ProposedJobs.Broker	The associated broker
ProposedJobs.Event
RunnableCronJob	Just wraps a Runnable into a CronJob.
RunningCronEntry
SampleCronJob	Sample cron jobs shows ho to create a cronjob.
TestCronJob	A test cron-job.

Enum Summary

CronEntry.Type

Package org.mmbase.applications.crontab Description

An MMBase CronDaemon implementation. The classes starting with Cron- are the actual core of the CronDaemon. AbstractCronJob is a utility base class for CronJob implementations.

MMBaseStatsJob, SampleCronJob, MemoryWarner and TestCronJob are example CronJob implementations.

Since:

MMBase-1.8