org.inria.myriads.snoozenode.groupmanager.statemachine.api.impl

Class GroupManagerStateMachine

java.lang.Object

org.inria.myriads.snoozenode.groupmanager.statemachine.api.impl.GroupManagerStateMachine

All Implemented Interfaces:

MigrationPlanListener, StateMachine

public class GroupManagerStateMachine
extends Object
implements StateMachine, MigrationPlanListener

Group manager state machine.

Author:

Eugen Feller

Constructor Summary

Constructors

Constructor and Description
GroupManagerStateMachine(NodeConfiguration nodeConfiguration, ResourceDemandEstimator estimator, GroupManagerRepository repository, ExternalNotifier externalNotifier) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	controlVirtualMachine(VirtualMachineCommand command, org.inria.myriads.snoozecommon.communication.virtualcluster.submission.VirtualMachineLocation location) Processes virtual machine command.
org.inria.myriads.snoozecommon.communication.virtualcluster.submission.VirtualMachineSubmissionResponse	getVirtualMachineSubmissionResponse(String taskIdentifier) Returns virtual machine submission response.
boolean	isBusy() Checks if the system is busy.
void	onAnomalyResolved(org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription localController) Called on anomaly resolved.
boolean	onEnergySavingsEnabled(List<org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription> idleResources) Power cycles the idle resources.
void	onMigrationPlanEnforced() Called upon migration plan enforcement.
void	onVirtualMachineSubmissionFinished() Called upon virtual machine submission finished.
boolean	onWakeupLocalController(org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription localController) Wakeup local controller.
boolean	onWakeupLocalControllers(List<org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription> localControllers) Wakeup local controllers.
org.inria.myriads.snoozecommon.communication.virtualcluster.VirtualMachineMetaData	resizeVirtualMachine(org.inria.myriads.snoozecommon.communication.virtualmachine.ResizeRequest resizeRequest) Resizes a virtual Machine.
void	resolveAnomaly(String localControllerId, LocalControllerState state) Resolve anomaly.
boolean	startMigration(org.inria.myriads.snoozecommon.communication.virtualcluster.migration.MigrationRequest migrationRequest) Starts the migration of the vm.
boolean	startReconfiguration() Starts the reconfiguration process.
String	startVirtualMachines(org.inria.myriads.snoozecommon.communication.virtualcluster.submission.VirtualMachineSubmissionRequest submissionRequest) Starts the virtual machine.

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupManagerStateMachine

public GroupManagerStateMachine(NodeConfiguration nodeConfiguration,
                        ResourceDemandEstimator estimator,
                        GroupManagerRepository repository,
                        ExternalNotifier externalNotifier)

Constructor.

Parameters:

nodeConfiguration - The node configuration

estimator - The resource demand estimator

repository - The repository

externalNotifier - The external Notifier.

Method Detail

startVirtualMachines

public String startVirtualMachines(org.inria.myriads.snoozecommon.communication.virtualcluster.submission.VirtualMachineSubmissionRequest submissionRequest)

Starts the virtual machine.

Specified by:

startVirtualMachines in interface StateMachine

Parameters:

submissionRequest - The virtual machine submission

Returns:

The task identifier

controlVirtualMachine

public boolean controlVirtualMachine(VirtualMachineCommand command,
                            org.inria.myriads.snoozecommon.communication.virtualcluster.submission.VirtualMachineLocation location)

Processes virtual machine command.

Specified by:

controlVirtualMachine in interface StateMachine

Parameters:

command - The virtual machine command

location - The virtual machine location

Returns:

true if everything ok, false otherwise

onEnergySavingsEnabled

public boolean onEnergySavingsEnabled(List<org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription> idleResources)

Power cycles the idle resources.

Specified by:

onEnergySavingsEnabled in interface StateMachine

Parameters:

idleResources - The list of idle resources

Returns:

true if energy savings enabled, false otherwise

startReconfiguration

public boolean startReconfiguration()

Starts the reconfiguration process.

Specified by:

startReconfiguration in interface StateMachine

Returns:

true if everything ok, false otherwise

resolveAnomaly

public void resolveAnomaly(String localControllerId,
                  LocalControllerState state)

Resolve anomaly.

Specified by:

resolveAnomaly in interface StateMachine

Parameters:

localControllerId - The local controller identifier

state - The local controller state

isBusy

public boolean isBusy()

Checks if the system is busy.

Specified by:

isBusy in interface StateMachine

Returns:

true if busy, false otherwise

onMigrationPlanEnforced

public void onMigrationPlanEnforced()

Called upon migration plan enforcement.

Specified by:

onMigrationPlanEnforced in interface MigrationPlanListener

onWakeupLocalController

public boolean onWakeupLocalController(org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription localController)

Wakeup local controller.

Specified by:

onWakeupLocalController in interface StateMachine

Parameters:

localController - The local controller

Returns:

true if everything ok, false otherwise

onWakeupLocalControllers

public boolean onWakeupLocalControllers(List<org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription> localControllers)

Wakeup local controllers.

Specified by:

onWakeupLocalControllers in interface StateMachine

Parameters:

localControllers - The local controllers

Returns:

true if everything ok, false otherwise

onVirtualMachineSubmissionFinished

public void onVirtualMachineSubmissionFinished()

Called upon virtual machine submission finished.

Specified by:

onVirtualMachineSubmissionFinished in interface StateMachine

onAnomalyResolved

public void onAnomalyResolved(org.inria.myriads.snoozecommon.communication.localcontroller.LocalControllerDescription localController)

Called on anomaly resolved.

Specified by:

onAnomalyResolved in interface StateMachine

Parameters:

localController - The local controller

getVirtualMachineSubmissionResponse

public org.inria.myriads.snoozecommon.communication.virtualcluster.submission.VirtualMachineSubmissionResponse getVirtualMachineSubmissionResponse(String taskIdentifier)

Returns virtual machine submission response.

Specified by:

getVirtualMachineSubmissionResponse in interface StateMachine

Parameters:

taskIdentifier - The task identifier

Returns:

The submission response

startMigration

public boolean startMigration(org.inria.myriads.snoozecommon.communication.virtualcluster.migration.MigrationRequest migrationRequest)

Starts the migration of the vm.

Specified by:

startMigration in interface StateMachine

Parameters:

migrationRequest - migrationRequest

Returns:

true if everything ok, false otherwise

resizeVirtualMachine

public org.inria.myriads.snoozecommon.communication.virtualcluster.VirtualMachineMetaData resizeVirtualMachine(org.inria.myriads.snoozecommon.communication.virtualmachine.ResizeRequest resizeRequest)

Description copied from interface: StateMachine

Resizes a virtual Machine.

Specified by:

resizeVirtualMachine in interface StateMachine

Parameters:

resizeRequest - The resize request

Returns:

True if everything is ok, false otherwise.