Package org.cloudsimplus.resources

Class PeSimple

java.lang.Object

org.cloudsimplus.resources.ResourceAbstract

org.cloudsimplus.resources.ResourceManageableAbstract

org.cloudsimplus.resources.PeSimple

All Implemented Interfaces:

ChangeableId, Identifiable, Pe, Resource, ResourceCapacity, ResourceManageable

public class PeSimple
extends ResourceManageableAbstract
implements Pe

Pe (Processing Element) class represents a CPU core of a physical machine (PM), defined in terms of Millions Instructions Per Second (MIPS) rating. Such a class allows managing the Pe capacity and allocation.

ASSUMPTION: All PEs under the same Machine have the same MIPS rating.

TODO: This assumption is not being assured on different classes (where other TODOs were included)

Since:

CloudSim Toolkit 1.0

Author:

Manzur Murshed, Rajkumar Buyya

Nested Class Summary

Nested classes/interfaces inherited from interface org.cloudsimplus.resources.Pe

Pe.Status

Field Summary

Fields inherited from class org.cloudsimplus.resources.ResourceAbstract

capacity

Fields inherited from interface org.cloudsimplus.resources.Pe

NULL

Fields inherited from interface org.cloudsimplus.resources.Resource

NULL

Fields inherited from interface org.cloudsimplus.resources.ResourceManageable

NULL

Constructor Summary

Constructors

Constructor	Description
PeSimple()	Creates a PE object with the default MIPS capacity and using a PeProvisionerSimple.
PeSimple(double mipsCapacity)	Creates a PE object using a PeProvisionerSimple.
PeSimple(double mipsCapacity, PeProvisioner peProvisioner)	Creates a PE object.
PeSimple(int id, double mipsCapacity, PeProvisioner peProvisioner)	Creates a PE object defining a given id.

Method Summary

Modifier and Type	Method	Description
static double	getDefaultMips()	Returns the default MIPS capacity.
boolean	isBusy()	Checks if the PE is busy to be used (it's being used).
boolean	isFailed()	Checks if the PE is failed.
boolean	isFree()	Checks if the PE is free to be used (it's idle).
boolean	isWorking()	Checks if the PE is working (not failed).
boolean	setCapacity(double mipsCapacity)	Sets the capacity of this Pe in MIPS (Million Instructions Per Second).
static void	setDefaultMips(double defaultMips)	Sets the default MIPS capacity to be used to create PEs when the no-args constructor is used.
final Pe	setPeProvisioner(@NonNull PeProvisioner peProvisioner)	Sets the Pe.getPeProvisioner() that manages the allocation of this physical PE to virtual machines.
String	toString()

Methods inherited from class org.cloudsimplus.resources.ResourceManageableAbstract

addCapacity, allocateResource, deallocateAllResources, deallocateAndRemoveResource, deallocateResource, getAvailableResource, removeCapacity, setAllocatedResource, setAvailableResource, setCapacity, sumAvailableResource, sumCapacity

Methods inherited from class org.cloudsimplus.resources.ResourceAbstract

getAllocatedResource, isAmountAvailable, isAmountAvailable, isResourceAmountBeingUsed, isSuitable

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.cloudsimplus.core.ChangeableId

setId

Methods inherited from interface org.cloudsimplus.core.Identifiable

getId

Methods inherited from interface org.cloudsimplus.resources.Pe

getCapacity, getPeProvisioner, getStatus, setCapacity, setStatus

Methods inherited from interface org.cloudsimplus.resources.Resource

getAllocatedResource, getAvailableResource, getPercentUtilization, getUnit, isAmountAvailable, isAmountAvailable, isAmountAvailable, isFull, isSubClassOf

Methods inherited from interface org.cloudsimplus.resources.ResourceManageable

addCapacity, allocateResource, allocateResource, deallocateAllResources, deallocateAndRemoveResource, deallocateResource, deallocateResource, isResourceAmountBeingUsed, isSuitable, removeCapacity, setAllocatedResource, setAllocatedResource, sumCapacity

Constructor Details

PeSimple

public PeSimple()

Creates a PE object with the default MIPS capacity and using a PeProvisionerSimple. The id of the PE is just set when a List of PEs is assigned to a Host.

See Also:

• PeSimple(double, PeProvisioner)
• PeSimple(double)
• setDefaultMips(double)

PeSimple

public PeSimple(double mipsCapacity)

Creates a PE object using a PeProvisionerSimple. The id of the PE is just set when a List of PEs is assigned to a Host.

Parameters:

mipsCapacity - the capacity of the PE in MIPS (Million Instructions per Second)

See Also:

• PeSimple(double, PeProvisioner)
• PeSimple()

PeSimple

public PeSimple(double mipsCapacity,
 PeProvisioner peProvisioner)

Creates a PE object. The id of the PE is just set when a List of PEs is assigned to a Host.

Parameters:

mipsCapacity - the capacity of the PE in MIPS (Million Instructions per Second)

peProvisioner - the provisioner that will manage the allocation of this physical Pe for VMs

See Also:

• PeSimple(double)
• PeSimple()

PeSimple

public PeSimple(int id,
 double mipsCapacity,
 PeProvisioner peProvisioner)

Creates a PE object defining a given id. The id of the PE is just set when a List of PEs is assigned to a Host.

Parameters:

id - the PE id

mipsCapacity - the capacity of the PE in MIPS (Million Instructions per Second)

peProvisioner - the provisioner that will manage the allocation of this physical Pe for VMs

See Also:

• PeSimple(double, PeProvisioner)
• PeSimple(double)
• PeSimple()

Method Details

getDefaultMips

public static double getDefaultMips()

Returns the default MIPS capacity. to be used to create PEs when the no-args constructor is used.

Returns:

the default MIPS capacity

setDefaultMips

public static void setDefaultMips(double defaultMips)

Sets the default MIPS capacity to be used to create PEs when the no-args constructor is used.

Parameters:

defaultMips - the new default MIPS capacity to set

setCapacity

public boolean setCapacity(double mipsCapacity)

Description copied from interface: Pe

Sets the capacity of this Pe in MIPS (Million Instructions Per Second).

It receives the amount of MIPS as a double value but converts it internally to a long. The method is just provided as a handy-way to define the PE capacity using a double value that usually is generated from some computations.

If you want to have an idea of the MIPS capacity for different processors, check the link above.

Specified by:

setCapacity in interface Pe

Parameters:

mipsCapacity - the MIPS capacity to set

Returns:

true if mipsCapacity is greater than 0, false otherwise

setPeProvisioner

public final Pe setPeProvisioner(@NonNull
 @NonNull PeProvisioner peProvisioner)

Description copied from interface: Pe

Sets the Pe.getPeProvisioner() that manages the allocation of this physical PE to virtual machines. This method is automatically called when a PeProvisioner is created passing a Pe instance. Thus, the PeProvisioner for a Pe doesn't have to be set manually.

Specified by:

setPeProvisioner in interface Pe

Parameters:

peProvisioner - the new PE provisioner

Returns:

toString

public String toString()

Overrides:

toString in class ResourceManageableAbstract

isWorking

public boolean isWorking()

Description copied from interface: Pe

Checks if the PE is working (not failed).

Specified by:

isWorking in interface Pe

Returns:

isFailed

public boolean isFailed()

Description copied from interface: Pe

Checks if the PE is failed.

Specified by:

isFailed in interface Pe

Returns:

isFree

public boolean isFree()

Description copied from interface: Pe

Checks if the PE is free to be used (it's idle).

Specified by:

isFree in interface Pe

Returns:

isBusy

public boolean isBusy()

Description copied from interface: Pe

Checks if the PE is busy to be used (it's being used).

Specified by:

isBusy in interface Pe

Returns: