eu.cactosfp7.cactoopt.util

Class CDOModelHelper

java.lang.Object

eu.cactosfp7.cactoopt.util.CDOModelHelper

public class CDOModelHelper
extends Object

Class with methods for handling CDO models and transforming them into simplified model

Author:

jakub

Field Summary

Fields

Modifier and Type	Field and Description
static <any>	VM_SIZE_AGGREGATOR

Constructor Summary

Constructors

Constructor and Description
CDOModelHelper()

Method Summary

Modifier and Type	Method and Description
static void	addInitialPlacementActionToOptimisationPlan(OptimisationPlan plan, VirtualMachine vmToPlace, Hypervisor hToPlace)
static void	addMigrationActionToOptimisationPlan(OptimisationPlan plan, VirtualMachine vmToMigrate, Hypervisor sourceHypervisor, Hypervisor destinationHypervisor)
static OptimisationPlan	createOptimisationPlan() Creates optimisation plan object, adds the root step (SequentialSteps), sets execution status to READY and sets creation date to current time.
static double	getAvailableStorage(ComputeNode node, PhysicalLoadModel plm)
static ComputeNode	getComputeNode(String measurementId, LogicalDCModel ldcm) Gets physical machine object where measurement was taken from provided LogicalDCModel
static ComputeNode	getComputeNodeById(String nodeId, PhysicalDCModel pdcm) Gets physical machine object from provided PhysicalDCModel based on its id
static List<eu.cactosfp7.cactoopt.framework.model.PhysicalMachine>	getFrameworkPhysicalMachinesFromCdoModel(PhysicalDCModel pdcm, LogicalDCModel ldcm)
static int	getNoLccsdMolpro(ComputeNode node, LogicalDCModel ldcm)
static List<PhysicalMachine>	getPhysicalMachinesFromCdoModel(PhysicalDCModel pdcm, LogicalDCModel ldcm) Transforms Infrastructure Models into list of physical machines with assigned virtual machines
static VirtualMachine	getVirtualMachine(String measurementId, LogicalDCModel ldcm) Gets virtual machine where measurement was taken from provided LogicalDCModel
static VirtualMachine	getVirtualMachineById(String vmId, List<VirtualMachine> vms) Finds virtual machine object on the list of virtual machines based on its id
static VirtualMachine	getVirtualMachineById(String vmId, LogicalDCModel ldcm)
static double	getVMImageStorageCapacity(VirtualMachine vm, double defaultValue)
static OptimisationPlan	tranformListOfMigrationMovesToOptimisationPlan(PhysicalDCModel pdcm, LogicalDCModel ldcm, List<eu.cactosfp7.cactoopt.framework.model.MigrationMove> moves)
static List<VirtualMachine>	transformVirtualMachineToSimpleModel(List<VirtualMachine> vms) Transforms list of virtual machine objects from Infrastructure Models into a list of virtual machines in simplified model

Methods inherited from class java.lang.Object

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

Field Detail

VM_SIZE_AGGREGATOR

public static final <any> VM_SIZE_AGGREGATOR

Constructor Detail

CDOModelHelper

public CDOModelHelper()

Method Detail

getVirtualMachineById

public static VirtualMachine getVirtualMachineById(String vmId,
                                                   LogicalDCModel ldcm)

getVirtualMachineById

public static VirtualMachine getVirtualMachineById(String vmId,
                                                   List<VirtualMachine> vms)

Finds virtual machine object on the list of virtual machines based on its id

Parameters:

vmId - Id of virtual machine

vms - List of virtual machines

Returns:

getComputeNodeById

public static ComputeNode getComputeNodeById(String nodeId,
                                             PhysicalDCModel pdcm)

Gets physical machine object from provided PhysicalDCModel based on its id

Parameters:

nodeId - Id of physical machine

pdcm - Physical Data Center Model

Returns:

Physical machine with specified id

getComputeNode

public static ComputeNode getComputeNode(String measurementId,
                                         LogicalDCModel ldcm)

Gets physical machine object where measurement was taken from provided LogicalDCModel

Parameters:

measurementId - Id of measurement taken

ldcm - Logical Data Center Model containing the measurement

Returns:

Physical machine where measurement was taken

getVirtualMachine

public static VirtualMachine getVirtualMachine(String measurementId,
                                               LogicalDCModel ldcm)

Gets virtual machine where measurement was taken from provided LogicalDCModel

Parameters:

measurementId -

ldcm - Logical Data Center Model containing the measurement

Returns:

Virtual machine where measurement was taken

getPhysicalMachinesFromCdoModel

public static List<PhysicalMachine> getPhysicalMachinesFromCdoModel(PhysicalDCModel pdcm,
                                                                    LogicalDCModel ldcm)

Transforms Infrastructure Models into list of physical machines with assigned virtual machines

Parameters:

pdcm - Physical Data Center Model

ldcm - Logical Data Center Model

Returns:

List of all physical machines with assigned virtual machines (simplified model)

getFrameworkPhysicalMachinesFromCdoModel

public static List<eu.cactosfp7.cactoopt.framework.model.PhysicalMachine> getFrameworkPhysicalMachinesFromCdoModel(PhysicalDCModel pdcm,
                                                                                                                   LogicalDCModel ldcm)

Parameters:

pdcm - Physical Data Center Model

ldcm - Logical Data Center Model

Returns:

List of all physical machines with assigned virtual machines (simplified model)

transformVirtualMachineToSimpleModel

public static List<VirtualMachine> transformVirtualMachineToSimpleModel(List<VirtualMachine> vms)

Transforms list of virtual machine objects from Infrastructure Models into a list of virtual machines in simplified model

Parameters:

vms - List of virtual machine objects from Infrastructure Models

Returns:

List of virtual machines in simplified model

tranformListOfMigrationMovesToOptimisationPlan

public static OptimisationPlan tranformListOfMigrationMovesToOptimisationPlan(PhysicalDCModel pdcm,
                                                                              LogicalDCModel ldcm,
                                                                              List<eu.cactosfp7.cactoopt.framework.model.MigrationMove> moves)

createOptimisationPlan

public static OptimisationPlan createOptimisationPlan()

Creates optimisation plan object, adds the root step (SequentialSteps), sets execution status to READY and sets creation date to current time.

Returns:

optimisation plan object

addInitialPlacementActionToOptimisationPlan

public static void addInitialPlacementActionToOptimisationPlan(OptimisationPlan plan,
                                                               VirtualMachine vmToPlace,
                                                               Hypervisor hToPlace)

Parameters:

plan -

vmToPlace -

hToPlace -

addMigrationActionToOptimisationPlan

public static void addMigrationActionToOptimisationPlan(OptimisationPlan plan,
                                                        VirtualMachine vmToMigrate,
                                                        Hypervisor sourceHypervisor,
                                                        Hypervisor destinationHypervisor)

Parameters:

plan -

vmToMigrate -

sourceHypervisor -

destinationHypervisor -

getAvailableStorage

public static double getAvailableStorage(ComputeNode node,
                                         PhysicalLoadModel plm)

getVMImageStorageCapacity

public static double getVMImageStorageCapacity(VirtualMachine vm,
                                               double defaultValue)

getNoLccsdMolpro

public static int getNoLccsdMolpro(ComputeNode node,
                                   LogicalDCModel ldcm)