gridsim.parallel
Class ResourceDynamics

Object
  ResourceCharacteristics
      ResourceDynamics

public class ResourceDynamics
extends ResourceCharacteristics

GridSim ResourceDynamics class represents static properties of a resource such as resource architecture, Operating System (OS), management policy (time-shared, space-shared, parallel-space-shared and parallel-space-shared with advance reservations), cost and time zone at which the resource is located along resource configuration.

NOTE: This class has been created to maintain the compatibility with the GridSim model in which the ResourceCharacteristics implements methods that return the number of PEs available, among other information.

Since:

5.0

Author:

Marcos Dias de Assuncao

Field Summary

Fields inherited from class ResourceCharacteristics

ADVANCE_RESERVATION, OTHER_POLICY_DIFFERENT_RATING, OTHER_POLICY_SAME_RATING, SPACE_SHARED, TIME_SHARED

Constructor Summary

ResourceDynamics(ResourceCharacteristics ch)
Allocates a new ResourceDynamics object.

ResourceDynamics(String architecture, String os, MachineList machineList, int allocationPolicy, double timeZone, double costPerSec)
Allocates a new ResourceDynamics object.

Method Summary

PERangeList	getFreePERanges() Returns the list of ranges of PEs available at the current simulation time
LinkedList<Machine>	getListMachineWithFreePE() Returns a list of machines with free PEs. NOTE: Not supported.
Machine	getMachineWithFreePE() Gets a Machine with at least one empty PE NOTE: Not supported.
Machine	getMachineWithFreePE(int numPE) Gets a Machine with at least a given number of free PE NOTE: Not supported.
int	getMIPSRating() Gets the total MIPS rating, which is the sum of MIPS rating of all machines in a resource.
int	getNumBusyPE() Gets the total number of BUSY PEs for all Machines
int	getNumFreePE() Gets the total number of FREE or non-busy PEs for all Machines
int	getNumPE() Gets the total number of PEs for all Machines
void	resetFreePERanges() This method resets the ranges of PEs available.
void	resetFreePERanges(PERangeList ranges) Resets the ranges of PEs available and sets it to the list provided
void	setPEsAvailable(PERangeList ranges) Sets the status of a list of ranges of PEs to available
void	setPEsBusy(PERangeList ranges) Sets the status of a list of ranges of PEs to busy
boolean	setStatusPE(boolean status, int machineID, int peID) Sets the particular PE status on a Machine NOTE: Not supported.

Methods inherited from class ResourceCharacteristics

getByteSize, getCostPerMI, getCostPerSec, getCPUTime, getMachineList, getMIPSRatingOfOnePE, getMIPSRatingOfOnePE, getNumFailedMachines, getNumMachines, getResourceAllocationPolicy, getResourceArch, getResourceID, getResourceName, getResourceOS, getResourceTimeZone, isWorking, setCostPerSec, setResourceID

Methods inherited from class Object

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

Constructor Detail

ResourceDynamics

public ResourceDynamics(String architecture,
                        String os,
                        MachineList machineList,
                        int allocationPolicy,
                        double timeZone,
                        double costPerSec)

Allocates a new ResourceDynamics object. If the time zone is invalid, then by default, it will be GMT+0.

Parameters:

architecture - the architecture of a resource

os - the operating system used

machineList - list of machines in a resource

allocationPolicy - the resource allocation policy

timeZone - local time zone where the resource is. Time zone should be of range [GMT-12 ... GMT+13]

costPerSec - the cost per sec to use this resource

Pre Condition:

architecture != null, OS != null, machineList != null, allocationPolicy >= 0 && allocationPolicy <= 3, timeZone >= -12 && timeZone <= 13, costPerSec >= 0.0

Post Condition:

$none

ResourceDynamics

public ResourceDynamics(ResourceCharacteristics ch)

Allocates a new ResourceDynamics object.

Parameters:

ch - the original resource characteristics object.

Pre Condition:

ch != null

Method Detail

resetFreePERanges

public void resetFreePERanges()

This method resets the ranges of PEs available. That is, it sets all processing elements as available.

getMachineWithFreePE

public Machine getMachineWithFreePE()

Gets a Machine with at least one empty PE
NOTE: Not supported.

Overrides:

getMachineWithFreePE in class ResourceCharacteristics

Returns:

a Machine object or null if not found

getListMachineWithFreePE

public LinkedList<Machine> getListMachineWithFreePE()

Returns a list of machines with free PEs.
NOTE: Not supported.

Returns:

the list of machines with free PEs.

getMachineWithFreePE

public Machine getMachineWithFreePE(int numPE)

Gets a Machine with at least a given number of free PE
NOTE: Not supported.

Overrides:

getMachineWithFreePE in class ResourceCharacteristics

Parameters:

numPE - number of PE

Returns:

a Machine object or null if not found

getMIPSRating

public int getMIPSRating()

Gets the total MIPS rating, which is the sum of MIPS rating of all machines in a resource.

Overrides:

getMIPSRating in class ResourceCharacteristics

Returns:

the sum of MIPS ratings

getNumPE

public int getNumPE()

Gets the total number of PEs for all Machines

Overrides:

getNumPE in class ResourceCharacteristics

Returns:

number of PEs

getNumFreePE

public int getNumFreePE()

Gets the total number of FREE or non-busy PEs for all Machines

Overrides:

getNumFreePE in class ResourceCharacteristics

Returns:

number of PEs

getNumBusyPE

public int getNumBusyPE()

Gets the total number of BUSY PEs for all Machines

Overrides:

getNumBusyPE in class ResourceCharacteristics

Returns:

number of PEs

setPEsBusy

public void setPEsBusy(PERangeList ranges)

Sets the status of a list of ranges of PEs to busy

Parameters:

ranges - the list of ranges of PEs whose status has to be changed

setPEsAvailable

public void setPEsAvailable(PERangeList ranges)

Sets the status of a list of ranges of PEs to available

Parameters:

ranges - the list of ranges of PEs whose status has to be changed

resetFreePERanges

public void resetFreePERanges(PERangeList ranges)

Resets the ranges of PEs available and sets it to the list provided

Parameters:

ranges - the list of ranges available

getFreePERanges

public PERangeList getFreePERanges()

Returns the list of ranges of PEs available at the current simulation time

Returns:

a list of ranges of PEs available at the current simulation time

setStatusPE

public boolean setStatusPE(boolean status,
                           int machineID,
                           int peID)

Sets the particular PE status on a Machine
NOTE: Not supported.

Overrides:

setStatusPE in class ResourceCharacteristics

Parameters:

status - PE status, either PE.FREE or PE.BUSY

machineID - Machine ID

peID - PE id

Returns:

true if the PE status has changed, false otherwise (Machine id or PE id might not be exist)