Package edu.kit.ipd.sdq.pcm.simulation.scheduler.exact.strategy.impl

Class PreemptiveScheduler

java.lang.Object

edu.kit.ipd.sdq.pcm.simulation.scheduler.exact.strategy.impl.AbstractScheduler

edu.kit.ipd.sdq.pcm.simulation.scheduler.exact.strategy.impl.PreemptiveScheduler

All Implemented Interfaces:

IScheduler

public class PreemptiveScheduler
extends AbstractScheduler

Field Summary

Fields inherited from class edu.kit.ipd.sdq.pcm.simulation.scheduler.exact.strategy.impl.AbstractScheduler

queueing_strategy, resource, scheduling_interval, starvationBoost

Constructor Summary

Constructors

Constructor	Description
PreemptiveScheduler(de.uka.ipd.sdq.scheduler.SchedulerModel model, SimActiveResource resource, IQueueingStrategy queueingStrategy, boolean in_front_after_waiting, double scheduling_interval, StarvationBoost starvationBoost)

Method Summary

Modifier and Type	Method	Description
double	getInterval()
int	getQueueLengthFor(SimResourceInstance simResourceInstance)
boolean	isIdle(IResourceInstance instance)	True, if the given resource has no running or pending jobs, otherwise false.
void	schedule(IResourceInstance instance)	Executes the next processes on the given resource instances.
void	scheduleNextEvent(IResourceInstance instance)	Schedules the next event for the specified resource instance.
void	terminateProcess(IActiveProcess process, IResourceInstance current)

Methods inherited from class edu.kit.ipd.sdq.pcm.simulation.scheduler.exact.strategy.impl.AbstractScheduler

forkNewProcess, fromReadyToRunningOn, fromRunningToReady, fromRunningToWaiting, fromWaitingToReady, registerProcess

Methods inherited from class java.lang.Object

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

Constructor Detail

PreemptiveScheduler

public PreemptiveScheduler(de.uka.ipd.sdq.scheduler.SchedulerModel model,
                           SimActiveResource resource,
                           IQueueingStrategy queueingStrategy,
                           boolean in_front_after_waiting,
                           double scheduling_interval,
                           StarvationBoost starvationBoost)

Method Detail

schedule

public void schedule(IResourceInstance instance)

Description copied from interface: IScheduler

Executes the next processes on the given resource instances.

Parameters:

instance - Resource instance requesting scheduling.

scheduleNextEvent

public void scheduleNextEvent(IResourceInstance instance)

Description copied from interface: IScheduler

Schedules the next event for the specified resource instance. Assumes that the running process of the instance is set correctly.

Parameters:

instance - Instance a new event is needed for.

isIdle

public boolean isIdle(IResourceInstance instance)

Description copied from interface: IScheduler

True, if the given resource has no running or pending jobs, otherwise false.

Returns:

getInterval

public double getInterval()

terminateProcess

public void terminateProcess(IActiveProcess process,
                             IResourceInstance current)

Specified by:

terminateProcess in interface IScheduler

Overrides:

terminateProcess in class AbstractScheduler

getQueueLengthFor

public int getQueueLengthFor(SimResourceInstance simResourceInstance)