org.jacop.constraints

Class Disjoint

java.lang.Object

org.jacop.constraints.DecomposedConstraint

org.jacop.constraints.Constraint

org.jacop.constraints.Diff

org.jacop.constraints.Disjoint

public class Disjoint
extends Diff

Disjoint constraint assures that any two rectangles from a vector of rectangles does not overlap in at least one direction.

Version:

4.2

Author:

Krzysztof Kuchcinski and Radoslaw Szymanek

Field Summary

Fields

Modifier and Type	Field and Description
static String[]	xmlAttributes It specifies the arguments required to be saved by an XML format as well as the constructor being called to recreate an object from an XML format.

Fields inherited from class org.jacop.constraints.Diff

doProfile, rectangles

Fields inherited from class org.jacop.constraints.Constraint

atomicExecution, consistencyPruningEvents, earlyTerminationOK, id, increaseWeight, numberArgs, numberId

Fields inherited from class org.jacop.constraints.DecomposedConstraint

queueIndex

Constructor Summary

Constructors

Constructor and Description
Disjoint(ArrayList<? extends ArrayList<? extends IntVar>> rectangles) It creates a diff2 constraint.
Disjoint(ArrayList<? extends ArrayList<? extends IntVar>> rectangles, boolean profile) It creates a diff2 constraint.
Disjoint(ArrayList<? extends IntVar> o1, ArrayList<? extends IntVar> o2, ArrayList<? extends IntVar> l1, ArrayList<? extends IntVar> l2) It creates a diff2 constraint.
Disjoint(ArrayList<IntVar> o1, ArrayList<IntVar> o2, ArrayList<IntVar> l1, ArrayList<IntVar> l2, boolean profile) It creates a diff2 constraint.
Disjoint(IntVar[][] rectangles, boolean profile) It creates a diff2 constraint.
Disjoint(IntVar[] o1, IntVar[] o2, IntVar[] l1, IntVar[] l2) It creates a diff2 constraint.
Disjoint(IntVar[] o1, IntVar[] o2, IntVar[] l1, IntVar[] l2, boolean profile) It creates a diff2 constraint.
Disjoint(Rectangle[] rectangles, boolean doProfile)
Disjoint(Store store, IntVar[][] rectangles) It creates a diff2 constraint.

Method Summary

Modifier and Type	Method and Description
void	impose(Store store) It imposes the constraint in a given store.
boolean	satisfied() It checks if the constraint is satisfied.
String	toString() It produces a string representation of a constraint state.

Methods inherited from class org.jacop.constraints.Diff

arguments, consistency, getConsistencyPruningEvent, id, increaseWeight, queueVariable, removeConstraint, removeLevel

Methods inherited from class org.jacop.constraints.Constraint

cleanAfterFailure, decompose, getGuideConstraint, getGuideValue, getGuideVariable, impose, imposeDecomposition, numberArgs, removeLevelLate, requiresMonotonicity, setConsistencyPruningEvent, supplyGuideFeedback

Methods inherited from class org.jacop.constraints.DecomposedConstraint

auxiliaryVariables, derivative, imposeDecomposition

Methods inherited from class java.lang.Object

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

Field Detail

xmlAttributes

public static String[] xmlAttributes

It specifies the arguments required to be saved by an XML format as well as the constructor being called to recreate an object from an XML format.

Constructor Detail

Disjoint

public Disjoint(Rectangle[] rectangles,
                boolean doProfile)

Parameters:

rectangles - a list of rectangles.

doProfile - should profile be computed and used.

Disjoint

public Disjoint(ArrayList<IntVar> o1,
                ArrayList<IntVar> o2,
                ArrayList<IntVar> l1,
                ArrayList<IntVar> l2,
                boolean profile)

It creates a diff2 constraint.

Parameters:

o1 - list of variables denoting the origin in the first dimension.

o2 - list of variables denoting the origin in the second dimension.

l1 - list of variables denoting the length in the first dimension.

l2 - list of variables denoting the length in the second dimension.

profile - specifies if the profile should be computed.

Disjoint

public Disjoint(ArrayList<? extends ArrayList<? extends IntVar>> rectangles)

It creates a diff2 constraint.

Parameters:

rectangles - list of rectangles with origins and lengths in both dimensions.

Disjoint

public Disjoint(ArrayList<? extends ArrayList<? extends IntVar>> rectangles,
                boolean profile)

It creates a diff2 constraint.

Parameters:

rectangles - list of rectangles with origins and lengths in both dimensions.

profile - specifies if the profile is computed and used.

Disjoint

public Disjoint(ArrayList<? extends IntVar> o1,
                ArrayList<? extends IntVar> o2,
                ArrayList<? extends IntVar> l1,
                ArrayList<? extends IntVar> l2)

It creates a diff2 constraint.

Parameters:

o1 - list of variables denoting the origin in the first dimension.

o2 - list of variables denoting the origin in the second dimension.

l1 - list of variables denoting the length in the first dimension.

l2 - list of variables denoting the length in the second dimension.

Disjoint

public Disjoint(IntVar[] o1,
                IntVar[] o2,
                IntVar[] l1,
                IntVar[] l2)

It creates a diff2 constraint.

Parameters:

o1 - list of variables denoting the origin in the first dimension.

o2 - list of variables denoting the origin in the second dimension.

l1 - list of variables denoting the length in the first dimension.

l2 - list of variables denoting the length in the second dimension.

Disjoint

public Disjoint(IntVar[] o1,
                IntVar[] o2,
                IntVar[] l1,
                IntVar[] l2,
                boolean profile)

It creates a diff2 constraint.

Parameters:

o1 - list of variables denoting the origin in the first dimension.

o2 - list of variables denoting the origin in the second dimension.

l1 - list of variables denoting the length in the first dimension.

l2 - list of variables denoting the length in the second dimension.

profile - specifies if the profile should be computed.

Disjoint

public Disjoint(Store store,
                IntVar[][] rectangles)

It creates a diff2 constraint.

Parameters:

store - constraint store in which the constraint is created.

rectangles - list of rectangles with origins and lengths in both dimensions.

Disjoint

public Disjoint(IntVar[][] rectangles,
                boolean profile)

It creates a diff2 constraint.

Parameters:

rectangles - list of rectangles with origins and lengths in both dimensions.

profile - specifies if the profile is computed and used.

Method Detail

impose

public void impose(Store store)

Description copied from class: Constraint

It imposes the constraint in a given store.

Overrides:

impose in class Diff

Parameters:

store - the constraint store to which the constraint is imposed to.

satisfied

public boolean satisfied()

Description copied from class: Constraint

It checks if the constraint is satisfied. If this function is incorrectly implemented a constraint may not be satisfied in a solution.

Overrides:

satisfied in class Diff

Returns:

true if the constraint is for certain satisfied, false otherwise.

toString

public String toString()

Description copied from class: Constraint

It produces a string representation of a constraint state.

Overrides:

toString in class Diff