Package org.btrplace.model.constraint

Class SimpleConstraint

java.lang.Object

org.btrplace.model.constraint.SimpleConstraint

All Implemented Interfaces:

Constraint, SatConstraint

Direct Known Subclasses:

Among, Ban, Fence, Gather, Killed, Lonely, MaxOnline, Offline, Online, Overbook, Ready, ResourceCapacity, Running, RunningCapacity, Schedule, Sleeping, Split, SplitAmong, Spread

public abstract class SimpleConstraint
extends Object
implements SatConstraint

A skeleton for a constraint that can be either discrete or continuous.

Author:

Fabien Hermenier

Constructor Summary

Constructors

Constructor	Description
SimpleConstraint(boolean continuous)	Build a new constraint.

Method Summary

Modifier and Type	Method	Description
boolean	isContinuous()	Check if the restriction provided by the constraint is continuous.
boolean	setContinuous(boolean b)	Indicates if the restriction provided by the constraint is continuous.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.btrplace.model.constraint.SatConstraint

getChecker, getInvolvedNodes, getInvolvedVMs, isSatisfied, isSatisfied

Constructor Details

SimpleConstraint

public SimpleConstraint(boolean continuous)

Build a new constraint.

Parameters:

continuous - true to state a continuous constraint. false for a discrete one

Method Details

isContinuous

public boolean isContinuous()

Description copied from interface: SatConstraint

Check if the restriction provided by the constraint is continuous.

Specified by:

isContinuous in interface SatConstraint

Returns:

true for a continuous restriction

setContinuous

public boolean setContinuous(boolean b)

Description copied from interface: SatConstraint

Indicates if the restriction provided by the constraint is continuous.

Specified by:

setContinuous in interface SatConstraint

Parameters:

b - true to ask for a continuous satisfaction, false for a discrete satisfaction.

Returns:

true iff the parameter has been considered