Package org.btrplace.plan.event

Class ShutdownVM

java.lang.Object

org.btrplace.plan.event.Action

org.btrplace.plan.event.ShutdownVM

All Implemented Interfaces:

Event, VMEvent, VMStateTransition

public class ShutdownVM
extends Action
implements VMStateTransition

An action to stop a virtual machine running on an online node and put it into the ready state.

Author:

Fabien Hermenier

Nested Class Summary

Nested classes/interfaces inherited from class org.btrplace.plan.event.Action

Action.Hook

Constructor Summary

Constructors

Constructor	Description
ShutdownVM(VM v, Node on, int start, int end)	Make a new action.

Method Summary

Modifier and Type	Method	Description
boolean	applyAction(Model m)	Apply the action by removing the virtual machine from the model.
boolean	equals(Object o)
VMState	getCurrentState()	Get the current state of the VM.
VMState	getNextState()	Get the next state of the VM.
Node	getNode()	Get the node hosting the VM.
VM	getVM()	Get the VM to involved in the action.
int	hashCode()
String	pretty()	Pretty print of the action.
Object	visit(ActionVisitor v)	Notify a visitor to visit the action.

Methods inherited from class org.btrplace.plan.event.Action

addEvent, apply, applyEvents, getEnd, getEvents, getStart, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.btrplace.plan.event.Event

apply

Constructor Details

ShutdownVM

public ShutdownVM(VM v, Node on, int start, int end)

Make a new action.

Parameters:

v - the virtual machine to stop

on - the hosting node

start - the moment the action starts

end - the moment the action finish

Method Details

applyAction

public boolean applyAction(Model m)

Apply the action by removing the virtual machine from the model.

Specified by:

applyAction in class Action

Parameters:

m - the model to alter

Returns:

true

pretty

public String pretty()

Description copied from class: Action

Pretty print of the action.

Specified by:

pretty in class Action

Returns:

a String

equals

public boolean equals(Object o)

Overrides:

equals in class Action

hashCode

public int hashCode()

Overrides:

hashCode in class Action

getVM

public VM getVM()

Description copied from interface: VMEvent

Get the VM to involved in the action.

Specified by:

getVM in interface VMEvent

Returns:

the VM identifier

getNode

public Node getNode()

Get the node hosting the VM.

Returns:

the node identifier

getCurrentState

public VMState getCurrentState()

Description copied from interface: VMStateTransition

Get the current state of the VM.

Specified by:

getCurrentState in interface VMStateTransition

Returns:

a State

getNextState

public VMState getNextState()

Description copied from interface: VMStateTransition

Get the next state of the VM.

Specified by:

getNextState in interface VMStateTransition

Returns:

a State

visit

public Object visit(ActionVisitor v)

Description copied from interface: Event

Notify a visitor to visit the action.

Specified by:

visit in interface Event

Parameters:

v - the visitor to notify

Returns:

the visit result