org.apache.openjpa.datacache
Class ClearableScheduler

java.lang.Object
  org.apache.openjpa.datacache.ClearableScheduler

All Implemented Interfaces:

Runnable

public class ClearableScheduler
extends Object
implements Runnable

Cron-style clearable eviction. Understands schedules based on cron format:

minute hour mday month wday

+minute

For example: 15,30 6,19 2,10 1 2 Would run at 15 and 30 past the 6AM and 7PM, on the 2nd and 10th of January when its a Monday.

Constructor Summary

ClearableScheduler(OpenJPAConfiguration conf)

Method Summary

protected void	evict(Clearable cache)
int	getInterval() The interval time in minutes between scheduler checks.
void	removeFromSchedule(Clearable clearable) Remove the given Clearable from scheduling.
void	run()
void	scheduleEviction(Clearable clearable, String times) Schedule the given Clearable for clear to be called.
void	setInterval(int interval) The interval time in minutes between scheduler checks.
void	stop() Stop the associated thread if there and stop the current runnable.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClearableScheduler

public ClearableScheduler(OpenJPAConfiguration conf)

Method Detail

getInterval

public int getInterval()

The interval time in minutes between scheduler checks. Defaults to 1.

setInterval

public void setInterval(int interval)

The interval time in minutes between scheduler checks. Defaults to 1.

stop

public void stop()

Stop the associated thread if there and stop the current runnable.

scheduleEviction

public void scheduleEviction(Clearable clearable,
                             String times)

Schedule the given Clearable for clear to be called. Starts the scheduling thread if not started.

removeFromSchedule

public void removeFromSchedule(Clearable clearable)

Remove the given Clearable from scheduling.

run

public void run()

Specified by:

run in interface Runnable

evict

protected void evict(Clearable cache)