Package org.cloudbus.cloudsim.provisioners

Class ResourceProvisionerAbstract

java.lang.Object

org.cloudbus.cloudsim.provisioners.ResourceProvisionerAbstract

All Implemented Interfaces:

ResourceProvisioner

Direct Known Subclasses:

ResourceProvisionerSimple

public abstract class ResourceProvisionerAbstract
extends Object
implements ResourceProvisioner

An abstract class that implements the basic features of a provisioning policy used by a Host to provide a given resource to its virtual machines.

Since:

3.0.4

Author:

Rodrigo N. Calheiros, Anton Beloglazov, Manoel Campos da Silva Filho

See Also:

• ResourceProvisioner

Field Summary

Fields inherited from interface org.cloudbus.cloudsim.provisioners.ResourceProvisioner

NULL

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ResourceProvisionerAbstract()	Creates a new ResourceManageable Provisioner for which the resource must be set further.
	ResourceProvisionerAbstract(ResourceManageable pmResource, Function<Vm,ResourceManageable> vmResourceFunction)	Creates a new ResourceManageable Provisioner.

Method Summary

Modifier and Type	Method	Description
long	getAllocatedResourceForVm(Vm vm)	Gets the amount of resource allocated to a given VM from the physical resource
long	getAvailableResource()	Gets the amount of free available physical resource from the host that the provisioner can allocate to VMs.
long	getCapacity()	Gets the total capacity of the physical resource from the Host that the provisioner manages.
ResourceManageable	getPmResource()	Gets the physical resource being managed by the provisioner, such as Ram, Pe, Bandwidth, etc.
long	getTotalAllocatedResource()	Gets the total amount of resource allocated to all VMs from the physical resource
protected Function<Vm,ResourceManageable>	getVmResourceFunction()	A Function that receives a Vm and returns the virtual resource corresponding to the pmResource.
final void	setResources(ResourceManageable pmResource, Function<Vm,ResourceManageable> vmResourceFunction)	Sets the physical resource to be managed by the provisioner, such as Ram, Pe, Bandwidth, etc.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.cloudbus.cloudsim.provisioners.ResourceProvisioner

allocateResourceForVm, allocateResourceForVm, deallocateResourceForVm, isSuitableForVm, isSuitableForVm

Constructor Details

ResourceProvisionerAbstract

protected ResourceProvisionerAbstract()

Creates a new ResourceManageable Provisioner for which the resource must be set further.

See Also:

• ResourceProvisioner.setResources(ResourceManageable, Function)

ResourceProvisionerAbstract

public ResourceProvisionerAbstract(ResourceManageable pmResource,
 Function<Vm,ResourceManageable> vmResourceFunction)

Creates a new ResourceManageable Provisioner.

Parameters:

pmResource - The physical resource to be managed by the provisioner

vmResourceFunction - a Function that receives a Vm and returns the virtual resource corresponding to the PM resource

Method Details

getAllocatedResourceForVm

public long getAllocatedResourceForVm(Vm vm)

Description copied from interface: ResourceProvisioner

Gets the amount of resource allocated to a given VM from the physical resource

Specified by:

getAllocatedResourceForVm in interface ResourceProvisioner

Parameters:

vm - the VM

Returns:

the allocated resource for the VM

getPmResource

public ResourceManageable getPmResource()

Description copied from interface: ResourceProvisioner

Gets the physical resource being managed by the provisioner, such as Ram, Pe, Bandwidth, etc.

Specified by:

getPmResource in interface ResourceProvisioner

Returns:

the resource managed by this provisioner

setResources

public final void setResources(ResourceManageable pmResource,
 Function<Vm,ResourceManageable> vmResourceFunction)

Description copied from interface: ResourceProvisioner

Sets the physical resource to be managed by the provisioner, such as Ram, Pe, Bandwidth, etc.

Specified by:

setResources in interface ResourceProvisioner

Parameters:

pmResource - the resource managed by this provisioner

vmResourceFunction - a Function that receives a Vm and returns the virtual resource corresponding to the PM resource

getCapacity

public long getCapacity()

Description copied from interface: ResourceProvisioner

Gets the total capacity of the physical resource from the Host that the provisioner manages.

Specified by:

getCapacity in interface ResourceProvisioner

Returns:

the total physical resource capacity

getTotalAllocatedResource

public long getTotalAllocatedResource()

Description copied from interface: ResourceProvisioner

Gets the total amount of resource allocated to all VMs from the physical resource

Specified by:

getTotalAllocatedResource in interface ResourceProvisioner

Returns:

the total allocated resource among all VMs

getAvailableResource

public long getAvailableResource()

Description copied from interface: ResourceProvisioner

Gets the amount of free available physical resource from the host that the provisioner can allocate to VMs.

Specified by:

getAvailableResource in interface ResourceProvisioner

Returns:

the amount of free available physical resource

getVmResourceFunction

protected Function<Vm,ResourceManageable> getVmResourceFunction()

A Function that receives a Vm and returns the virtual resource corresponding to the pmResource.