org.quartz.spi
Interface TimeBroker

All Known Implementing Classes:
SimpleTimeBroker

Deprecated. TimeBroker is not currently used in the Quartz code base.

public interface TimeBroker

NOTE: TimeBroker is not currently used in the Quartz code base.

The interface to be implemented by classes that want to provide a mechanism by which the QuartzScheduler can reliably determine the current time.

In general, the default implementation of this interface (SimpleTimeBroker- which simply uses System.getCurrentTimeMillis() )is sufficient. However situations may exist where this default scheme is lacking in its robustness - especially when Quartz is used in a clustered configuration. For example, if one or more of the machines in the cluster has a system time that varies by more than a few seconds from the clocks on the other systems in the cluster, scheduling confusion will result.

Author:
James House
See Also:
QuartzScheduler

Method Summary
 Date getCurrentTime()
          Deprecated.  Get the current time, as known by the TimeBroker.
 void initialize()
          Deprecated.  Called by the QuartzScheduler before the TimeBroker is used, in order to give the it a chance to initialize.
 void shutdown()
          Deprecated.  Called by the QuartzScheduler to inform the TimeBroker that it should free up all of it's resources because the scheduler is shutting down.
 

Method Detail

getCurrentTime

Date getCurrentTime()
                    throws SchedulerException
Deprecated. 

Get the current time, as known by the TimeBroker.

Throws:
SchedulerException - with the error code set to SchedulerException.ERR_TIME_BROKER_FAILURE

initialize

void initialize()
                throws SchedulerConfigException
Deprecated. 

Called by the QuartzScheduler before the TimeBroker is used, in order to give the it a chance to initialize.

Throws:
SchedulerConfigException

shutdown

void shutdown()
Deprecated. 

Called by the QuartzScheduler to inform the TimeBroker that it should free up all of it's resources because the scheduler is shutting down.



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