public class SumWeightedSet extends Constraint implements SatisfiedPresent
Modifier and Type | Field and Description |
---|---|
SetVar |
a
A set variable a whose elements contribute with their weight to the sum.
|
IntVar |
totalWeight
Integer variable containing the total weight of all elements within a set variable a.
|
atomicExecution, consistencyPruningEvents, constraintScope, earlyTerminationOK, increaseWeight, numberId, scope, trace
queueIndex
Constructor and Description |
---|
SumWeightedSet(SetVar a,
int[] elements,
int[] weights,
IntVar totalWeight)
It constructs a weighted set sum constraint.
|
SumWeightedSet(SetVar a,
int[] weights,
IntVar totalWeight)
It constructs a weighted set sum constraint.
|
SumWeightedSet(SetVar a,
IntVar totalWeight)
It constructs a weighted set sum constraint.
|
Modifier and Type | Method and Description |
---|---|
void |
consistency(Store store)
It is a (most probably incomplete) consistency function which removes the
values from variables domains.
|
int |
getConsistencyPruningEvent(Var var)
It retrieves the pruning event which causes reevaluation of the
constraint.
|
int |
getDefaultConsistencyPruningEvent() |
boolean |
satisfied()
It checks if the constraint is satisfied.
|
String |
toString()
It produces a string representation of a constraint state.
|
afc, arguments, cleanAfterFailure, decompose, getGuideConstraint, getGuideValue, getGuideVariable, grounded, grounded, id, impose, impose, imposeDecomposition, increaseWeight, intArrayToString, long2int, numberArgs, queueVariable, removeConstraint, requiresMonotonicity, setConsistencyPruningEvent, setConstraintScope, setScope, setScope, setScope, setScope, setScope, setWatchedVariableGrounded, supplyGuideFeedback, updateAFC, watchedVariableGrounded
auxiliaryVariables, checkInput, checkInput, checkInputForDuplication, checkInputForDuplicationSkipSingletons, checkInputForNullness, checkInputForNullness, checkInputForNullness, derivative, getDubletonsSkipSingletons, imposeDecomposition
public SetVar a
public IntVar totalWeight
public SumWeightedSet(SetVar a, int[] elements, int[] weights, IntVar totalWeight)
a
- a set variable for which the weighted sum of its element is computed.elements
- it specifies the elements which are allowed and for which the weight is specified.weights
- the weight for each element present in a.lub().totalWeight
- an integer variable equal to the total weight of the elements in set variable a.public SumWeightedSet(SetVar a, IntVar totalWeight)
a
- set variable being used in weighted set constraint.totalWeight
- integer variable containing information about total weight of the elements in set variable a.public SumWeightedSet(SetVar a, int[] weights, IntVar totalWeight)
a
- set variable being used in weighted set constraint.weights
- it specifies a weight for each possible element of a set variable.totalWeight
- integer variable containing information about total weight of the elements in set variable a.public void consistency(Store store)
Constraint
consistency
in class Constraint
store
- constraint store within which the constraint consistency is being checked.public int getConsistencyPruningEvent(Var var)
Constraint
getConsistencyPruningEvent
in class Constraint
var
- variable for which pruning event is retrievedpublic int getDefaultConsistencyPruningEvent()
getDefaultConsistencyPruningEvent
in class Constraint
public boolean satisfied()
SatisfiedPresent
Implementations of this interface for constraints that are not PrimitiveConstraint may require constraint imposition and consistency check as a requirement to work correctly.
satisfied
in interface SatisfiedPresent
public String toString()
Constraint
toString
in class Constraint
Copyright © 2022. All rights reserved.