org.gridbus.broker.scheduler
Class RoundRobinScheduler

java.lang.Object
  org.gridbus.broker.scheduler.Scheduler
      org.gridbus.broker.scheduler.RoundRobinScheduler

All Implemented Interfaces:

java.lang.Runnable, JobListener

public class RoundRobinScheduler
extends Scheduler
implements JobListener

This class is a Round Robin Event-based scheduler which implements a simple round-robin scheduling algorithm and expects that the jobs are always persistent.

Author:

Krishna Nadiminti (kna@cs.mu.oz.au)

Constructor Summary

RoundRobinScheduler(GridbusFarmingEngine fe)
Constructor for the scheduler

Method Summary

void	schedule() Abstract method: schedule to be implemented by derived classes which implement various scheduling algorithms.
void	setDataFiles(java.util.Collection files)
void	setDataHosts(java.util.Hashtable hosts)
void	statusChanged(Job j) Status changed event for a Job

Methods inherited from class org.gridbus.broker.scheduler.Scheduler

getAlgorithm, getJobs, getPollTime, getServers, getStats, isClassValid, isFailed, isFeasible, isFinished, printStats, recoverStats, run, setAlgorithm, setFailed, setFeasible, setFinished, setPollTime, sortByCost

Methods inherited from class java.lang.Object

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

Constructor Detail

RoundRobinScheduler

public RoundRobinScheduler(GridbusFarmingEngine fe)

Constructor for the scheduler

Parameters:

fe -

Method Detail

setDataFiles

public void setDataFiles(java.util.Collection files)

Parameters:

files -

setDataHosts

public void setDataHosts(java.util.Hashtable hosts)

Parameters:

hosts -

statusChanged

public void statusChanged(Job j)

Description copied from interface: JobListener

Status changed event for a Job

Specified by:

statusChanged in interface JobListener

See Also:

JobListener.statusChanged(org.gridbus.broker.farming.common.Job)

schedule

public void schedule()

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

See Also:

Scheduler.schedule()