org.gridbus.broker.scheduler
Class DBDataScheduler

java.lang.Object
  extended by org.gridbus.broker.common.Scheduler
      extended by org.gridbus.broker.scheduler.DBDataScheduler
All Implemented Interfaces:
java.lang.Runnable, JobListener

public class DBDataScheduler
extends Scheduler

This class implements a scheduler which takes into account both data and network costs

Version:
2.0
Author:
Srikumar Venugopal (srikumar@cs.mu.oz.au)

Field Summary
 
Fields inherited from class org.gridbus.broker.common.Scheduler
applicationID, failed, feasible, finished, numPoll, pollTime, store, timeStart, totalStats, userMarketDir, useSoftwareCost
 
Constructor Summary
DBDataScheduler(java.lang.String applicationID, int optimisation)
          Constructor for the scheduler
 
Method Summary
 void jobReset(Job job)
          Job is reset
protected  void schedule()
          Abstract method: schedule to be implemented by derived classes which implement various scheduling algorithms.
 void statusChanged(Job job)
          Status changed event for a Job
 void statusChanged(org.gridbus.scs.common.SCSJob j)
          SCS Job : Tom
 
Methods inherited from class org.gridbus.broker.common.Scheduler
freeQueueSlot, getCandidateSCSServers, getCandidateServers, getJobStatsFromStore, getKey, getNextReadyJob, getNextReadySCSJob, getPollTime, getReadyServers, groupServers, isClassValid, isFailed, isFeasible, isFinished, isJobRequirementMet, isSCSJobRequirementMet, run, saveJobMapping, saveJobMapping, saveStatusEvent, saveStatusEvent, setFailed, setFeasible, setFinished, sortByCost, sortByRunningJobs, sortByTime, updateJobStatus, updateQos, updateServerPerformance, updateStats
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DBDataScheduler

public DBDataScheduler(java.lang.String applicationID,
                       int optimisation)
                throws GridBrokerException
Constructor for the scheduler

Parameters:
fe - - Gridbus farming engine
optimisation - - scheduling algorithm (one of the constants defined in ScheduleOptimisationType)
Throws:
GridBrokerException
Method Detail

schedule

protected void schedule()
                 throws java.lang.Exception
Description copied from class: Scheduler
Abstract method: schedule to be implemented by derived classes which implement various scheduling algorithms.

Specified by:
schedule in class Scheduler
Throws:
java.lang.Exception

jobReset

public void jobReset(Job job)
Description copied from interface: JobListener
Job is reset

Specified by:
jobReset in interface JobListener
Overrides:
jobReset in class Scheduler

statusChanged

public void statusChanged(org.gridbus.scs.common.SCSJob j)
Description copied from interface: JobListener
SCS Job : Tom

Specified by:
statusChanged in interface JobListener
Overrides:
statusChanged in class Scheduler
See Also:
JobListener.statusChanged(org.gridbus.broker.common.Job)

statusChanged

public void statusChanged(Job job)
Description copied from interface: JobListener
Status changed event for a Job

Specified by:
statusChanged in interface JobListener
Overrides:
statusChanged in class Scheduler
See Also:
JobListener.statusChanged(org.gridbus.broker.common.Job)

Copyright © The University of Melbourne. 2006