Package org.palladiosimulator.simulizar.usagemodel

Class PeriodicallyTriggeredUsageEvolver

java.lang.Object

de.uka.ipd.sdq.simulation.abstractsimengine.SimulationElement

de.uka.ipd.sdq.simulation.abstractsimengine.AbstractSimEntityDelegator

de.uka.ipd.sdq.simucomframework.entities.SimuComEntity

org.palladiosimulator.simulizar.simulationevents.PeriodicallyTriggeredSimulationEntity

org.palladiosimulator.simulizar.usagemodel.PeriodicallyTriggeredUsageEvolver

All Implemented Interfaces:

de.uka.ipd.sdq.simulation.abstractsimengine.IEntity

Direct Known Subclasses:

LoopingUsageEvolver, StretchedUsageEvolver

public abstract class PeriodicallyTriggeredUsageEvolver
extends PeriodicallyTriggeredSimulationEntity

Usage evolver which updates the workload according to a Usage Evolution model.

Field Summary

Fields

Modifier and Type	Field	Description
protected double	deltaTime
protected String	evolvedScenarioId
protected SimuLizarRuntimeState	rtState

Fields inherited from class de.uka.ipd.sdq.simulation.abstractsimengine.AbstractSimEntityDelegator

delegate

Fields inherited from interface de.uka.ipd.sdq.simulation.abstractsimengine.IEntity

NULL

Constructor Summary

Constructors

Constructor	Description
PeriodicallyTriggeredUsageEvolver(SimuLizarRuntimeState rtState, double firstOccurrence, double delay, org.palladiosimulator.pcm.usagemodel.UsageScenario evolvedScenario)	Constructs the looping usage evolver.

Method Summary

Modifier and Type	Method	Description
protected void	evolveLoad(tools.descartes.dlim.generator.ModelEvaluator loadEvaluator)	Evolve the load.
protected void	evolveWork(org.palladiosimulator.pcm.parameter.VariableCharacterisation workParameter, tools.descartes.dlim.generator.ModelEvaluator evaluator)	Evolves a workload parameter.
protected org.scaledl.usageevolution.Usage	getCorrespondingUsage()	Get the Usage updated by this.
protected double	getCurrentTime()	Gets the current simulation time.
protected double	getDLIMFinalDuration()	The length of this' DLIM sequence.
protected tools.descartes.dlim.generator.ModelEvaluator	getLoadEvaluator()	Get the load evaluator for this.
protected abstract double	getNewRate(tools.descartes.dlim.generator.ModelEvaluator loadEvaluator)	Get the new rate of the Usage or workload parameter characterization.
protected Map<org.palladiosimulator.pcm.parameter.VariableCharacterisation,tools.descartes.dlim.generator.ModelEvaluator>	getWorkEvaluators()	Gets all the Work Evaluators for the Work Parameter evolutions of this.
void	stop()	Stops the usage evolver from being scheduled in the simulation.
protected void	triggerInternal()

Methods inherited from class org.palladiosimulator.simulizar.simulationevents.PeriodicallyTriggeredSimulationEntity

getSimulationTimeOfNextEventTrigger, removeEvent, setDelayAndReinitialize, stopScheduling, trigger

Methods inherited from class de.uka.ipd.sdq.simucomframework.entities.SimuComEntity

getModel

Methods inherited from class de.uka.ipd.sdq.simulation.abstractsimengine.AbstractSimEntityDelegator

getEncapsulatedEntity, isScheduled, reschedule

Methods inherited from class de.uka.ipd.sdq.simulation.abstractsimengine.SimulationElement

getName

Methods inherited from class java.lang.Object

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

Field Detail

rtState

protected SimuLizarRuntimeState rtState

evolvedScenarioId

protected final String evolvedScenarioId

deltaTime

protected final double deltaTime

Constructor Detail

PeriodicallyTriggeredUsageEvolver

public PeriodicallyTriggeredUsageEvolver(SimuLizarRuntimeState rtState,
                                         double firstOccurrence,
                                         double delay,
                                         org.palladiosimulator.pcm.usagemodel.UsageScenario evolvedScenario)

Constructs the looping usage evolver.

Parameters:

rtState - SimuLizar runtime state.

firstOccurrence - First point in time at which the evolver should evolve the load.

delay - The interval in which the evolver should evolve the load.

evolvedScenario - The evolved scenario.

Method Detail

stop

public void stop()

Stops the usage evolver from being scheduled in the simulation.

getLoadEvaluator

protected tools.descartes.dlim.generator.ModelEvaluator getLoadEvaluator()

Get the load evaluator for this.

Returns:

The load evaluator.

getCorrespondingUsage

protected org.scaledl.usageevolution.Usage getCorrespondingUsage()

Get the Usage updated by this.

Returns:

the Usage updated by this.

getWorkEvaluators

protected Map<org.palladiosimulator.pcm.parameter.VariableCharacterisation,tools.descartes.dlim.generator.ModelEvaluator> getWorkEvaluators()

Gets all the Work Evaluators for the Work Parameter evolutions of this.

Returns:

The Work Evaluators for the Work Parameter evolutions of this.

triggerInternal

protected void triggerInternal()

Overrides:

triggerInternal in class PeriodicallyTriggeredSimulationEntity

getDLIMFinalDuration

protected double getDLIMFinalDuration()

The length of this' DLIM sequence.

Returns:

The length of this' DLIM sequence.

getCurrentTime

protected double getCurrentTime()

Gets the current simulation time.

Returns:

The current time.

evolveLoad

protected void evolveLoad(tools.descartes.dlim.generator.ModelEvaluator loadEvaluator)

Evolve the load.

Parameters:

loadEvaluator - DLIM evaluator used to fetch the load at the current point in time.

getNewRate

protected abstract double getNewRate(tools.descartes.dlim.generator.ModelEvaluator loadEvaluator)

Get the new rate of the Usage or workload parameter characterization.

Parameters:

loadEvaluator - The DLIM evaluator used for the evaluation.

Returns:

The new Usage or workload parameter characterization.

evolveWork

protected void evolveWork(org.palladiosimulator.pcm.parameter.VariableCharacterisation workParameter,
                          tools.descartes.dlim.generator.ModelEvaluator evaluator)

Evolves a workload parameter.

Parameters:

workParameter - The evolved parameter.

evaluator - The evaluator used for evaluating DLIM sequence.