Package org.btrplace.model.constraint

Class AllowAllConstraintChecker<C extends SatConstraint>

java.lang.Object

org.btrplace.model.constraint.AllowAllConstraintChecker<C>

All Implemented Interfaces:

SatConstraintChecker<C>

Direct Known Subclasses:

AmongChecker, BanChecker, DeadlineChecker, DenyMyVMsActions, FenceChecker, GatherChecker, LonelyChecker, MaxOnlineChecker, NoDelayChecker, OfflineChecker, OnlineChecker, OverbookChecker, PrecedenceChecker, PreserveChecker, QuarantineChecker, ResourceCapacityChecker, RootChecker, RunningCapacityChecker, ScheduleChecker, SeqChecker, SerializeChecker, SplitAmongChecker, SplitChecker, SpreadChecker, SyncChecker

public class AllowAllConstraintChecker<C extends SatConstraint>
extends Object
implements SatConstraintChecker<C>

A default constraint checker that allow every action and event. In addition, SubstitutedVMEvent events are tracked and considered to maintain the set of VMs that is involved in the constraint.

Author:

Fabien Hermenier

Constructor Summary

Constructors

Constructor	Description
AllowAllConstraintChecker(C c)	Make a new checker.

Method Summary

Modifier and Type	Method	Description
boolean	consume(AllocateEvent e)	Notify for the beginning of an event.
boolean	consume(SubstitutedVMEvent e)	Notify for the beginning of an event.
void	end(Allocate e)	Notify for the end of an action.
void	end(BootNode a)	Notify for the end of an action.
void	end(BootVM a)	Notify for the end of an action.
void	end(ForgeVM a)	Notify for the end of an action.
void	end(KillVM a)	Notify for the end of an action.
void	end(MigrateVM a)	Notify for the end of an action.
void	end(ResumeVM a)	Notify for the end of an action.
void	end(ShutdownNode a)	Notify for the end of an action.
void	end(ShutdownVM a)	Notify for the end of an action.
void	end(SuspendVM a)	Notify for the end of an action.
void	endRunningVMPlacement(RunningVMPlacement a)	Notify the end of a RunningVMPlacement action.
boolean	endsWith(Model mo)	Notify for the model that is reached once the reconfiguration has been applied.
C	getConstraint()	Get the constraint associated to the checker.
Set<Node>	getNodes()	Get the nodes involved in the constraint.
Set<VM>	getVMs()	Get the VMs involved in the constraint.
boolean	start(Allocate e)	Notify for the beginning of an action.
boolean	start(BootNode a)	Notify for the beginning of an action.
boolean	start(BootVM a)	Notify for the beginning of an action.
boolean	start(ForgeVM a)	Notify for the beginning of an action.
boolean	start(KillVM a)	Notify for the beginning of an action.
boolean	start(MigrateVM a)	Notify for the beginning of an action.
boolean	start(ResumeVM a)	Notify for the beginning of an action.
boolean	start(ShutdownNode a)	Notify for the beginning of an action.
boolean	start(ShutdownVM a)	Notify for the beginning of an action.
boolean	start(SuspendVM a)	Notify for the beginning of an action.
boolean	startRunningVMPlacement(RunningVMPlacement a)	Allow all the RunningVMPlacement actions.
boolean	startsWith(Model mo)	Notify for the model at the source of the reconfiguration.
boolean	track(Collection<VM> c)	Register a new set of VMs int to track.

Methods inherited from class java.lang.Object

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

Constructor Details

AllowAllConstraintChecker

public AllowAllConstraintChecker(C c)

Make a new checker.

Parameters:

c - the constraint associated to the checker.

Method Details

track

public boolean track(Collection<VM> c)

Register a new set of VMs int to track. Each SubstitutedVMEvent event is caught and all of the registered collections are updated accordingly

Parameters:

c - the collection to register

Returns:

true iff the collection has been added

startsWith

public boolean startsWith(Model mo)

Description copied from interface: SatConstraintChecker

Notify for the model at the source of the reconfiguration.

Specified by:

startsWith in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

mo - the model

Returns:

true iff the model is valid wrt. the constraint

start

public boolean start(MigrateVM a)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the executed that will be executed

Returns:

startRunningVMPlacement(a)

end

public void end(MigrateVM a)

Notify for the end of an action. Executes endRunningVMPlacement(a)

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the executed that will be executed

start

public boolean start(BootVM a)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the executed that will be executed

Returns:

startRunningVMPlacement(a)

end

public void end(BootVM a)

Notify for the end of an action. Executes endRunningVMPlacement(a)

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the executed that will be executed

start

public boolean start(BootNode a)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the executed that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

end

public void end(BootNode a)

Description copied from interface: SatConstraintChecker

Notify for the end of an action.

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that ends

start

public boolean start(ShutdownVM a)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

end

public void end(ShutdownVM a)

Description copied from interface: SatConstraintChecker

Notify for the end of an action.

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that ends

start

public boolean start(ShutdownNode a)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

end

public void end(ShutdownNode a)

Description copied from interface: SatConstraintChecker

Notify for the end of an action.

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that ends

start

public boolean start(ResumeVM a)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

end

public void end(ResumeVM a)

Description copied from interface: SatConstraintChecker

Notify for the end of an action.

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that ends

start

public boolean start(SuspendVM a)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

end

public void end(SuspendVM a)

Description copied from interface: SatConstraintChecker

Notify for the end of an action.

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that ends

start

public boolean start(KillVM a)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

end

public void end(KillVM a)

Description copied from interface: SatConstraintChecker

Notify for the end of an action.

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that ends

start

public boolean start(ForgeVM a)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

end

public void end(ForgeVM a)

Description copied from interface: SatConstraintChecker

Notify for the end of an action.

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

a - the action that ends

endsWith

public boolean endsWith(Model mo)

Description copied from interface: SatConstraintChecker

Notify for the model that is reached once the reconfiguration has been applied.

Specified by:

endsWith in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

mo - the model

Returns:

true iff the model is valid wrt. the constraint

consume

public boolean consume(SubstitutedVMEvent e)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an event.

Specified by:

consume in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

e - the event that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

consume

public boolean consume(AllocateEvent e)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an event.

Specified by:

consume in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

e - the event that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

start

public boolean start(Allocate e)

Description copied from interface: SatConstraintChecker

Notify for the beginning of an action.

Specified by:

start in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

e - the action that will be executed

Returns:

true iff the action execution is valid wrt. the constraint

end

public void end(Allocate e)

Description copied from interface: SatConstraintChecker

Notify for the end of an action.

Specified by:

end in interface SatConstraintChecker<C extends SatConstraint>

Parameters:

e - the action that ends

startRunningVMPlacement

public boolean startRunningVMPlacement(RunningVMPlacement a)

Allow all the RunningVMPlacement actions.

Parameters:

a - the action to allow

Returns:

true

endRunningVMPlacement

public void endRunningVMPlacement(RunningVMPlacement a)

Notify the end of a RunningVMPlacement action.

Parameters:

a - the notified action

getConstraint

public C getConstraint()

Description copied from interface: SatConstraintChecker

Get the constraint associated to the checker.

Specified by:

getConstraint in interface SatConstraintChecker<C extends SatConstraint>

Returns:

a non-null constraint

getVMs

public Set<VM> getVMs()

Get the VMs involved in the constraint. The set is automatically updated by the SubstitutedVMEvent events.

Returns:

a set of VMs that may be empty

getNodes

public Set<Node> getNodes()

Get the nodes involved in the constraint.

Returns:

a set of nodes that may be empty