Package org.btrplace.plan.event

Class Allocate

java.lang.Object

org.btrplace.plan.event.Action

org.btrplace.plan.event.Allocate

All Implemented Interfaces:

Event, VMEvent

public class Allocate
extends Action
implements VMEvent

An action to indicate the amount of resources of a given type to allocate to a VM.

Author:

Fabien Hermenier

Nested Class Summary

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

Action.Hook

Constructor Summary

Constructors

Constructor	Description
Allocate(VM vm, Node on, String rc, int amount, int start, int end)	Make a new constraint.

Method Summary

Modifier and Type	Method	Description
boolean	applyAction(Model i)	Apply only the scheduled action.
boolean	equals(Object o)
int	getAmount()	Get the amount of resources to allocate to the VM.
Node	getHost()	Get the node that is currently hosting the VM.
String	getResourceId()	Get the resource identifier.
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

Allocate

public Allocate(VM vm, Node on, String rc, int amount, int start, int end)

Make a new constraint.

Parameters:

vm - the VM

on - the node hosting the VM

rc - the resource identifier

amount - the minimum amount of resource to allocate

start - the moment the action starts

end - the moment the action ends

Method Details

getHost

public Node getHost()

Get the node that is currently hosting the VM.

Returns:

the node

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

getResourceId

public String getResourceId()

Get the resource identifier.

Returns:

a non-empty string

getAmount

public int getAmount()

Get the amount of resources to allocate to the VM.

Returns:

a positive number

applyAction

public boolean applyAction(Model i)

Description copied from class: Action

Apply only the scheduled action.

Specified by:

applyAction in class Action

Parameters:

i - the model to modify

Returns:

true if the action was applied successfully

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

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