org.apache.avalon.cornerstone.services.scheduler
Interface TimeScheduler

All Known Implementing Classes:

DefaultTimeScheduler

public interface TimeScheduler

This service provides a way to regularly schedule jobs.

Author:

Avalon Development Team

Field Summary

static String

ROLE

Method Summary

void	addTrigger(String name, TimeTrigger trigger, Target target) Schedule a time based trigger.
void	addTriggerFailureListener(TriggerFailureListener listener) Add a trigger failure listener
void	removeTrigger(String name) Remove a scheduled trigger by name.
void	removeTriggerFailureListener(TriggerFailureListener listener) Remove a trigger failure listener
void	resetTrigger(String name) Force a trigger time to be recalculated.

Field Detail

ROLE

public static final String ROLE

Method Detail

addTrigger

public void addTrigger(String name,
                       TimeTrigger trigger,
                       Target target)

Schedule a time based trigger. Note that if a TimeTrigger already has same name then it is removed.

Parameters:

name - the name of the trigger

trigger - the trigger

target - the target

removeTrigger

public void removeTrigger(String name)
                   throws NoSuchElementException

Remove a scheduled trigger by name.

Parameters:

name - the name of the trigger

Throws:

NoSuchElementException - if no trigger exists with that name

resetTrigger

public void resetTrigger(String name)
                  throws NoSuchElementException

Force a trigger time to be recalculated.

Parameters:

name - the name of the trigger

Throws:

NoSuchElementException - if no trigger exists with that name

addTriggerFailureListener

public void addTriggerFailureListener(TriggerFailureListener listener)

Add a trigger failure listener

Parameters:

listener - the listener

removeTriggerFailureListener

public void removeTriggerFailureListener(TriggerFailureListener listener)

Remove a trigger failure listener

Parameters:

listener - the listener