@Override
public int calculateGlobalCost(Assignment a) {
ConstraintCheckResult res = new ConstraintCheckResult();
int cost = 0;
for (int i = 0; i < getNumberOfVariables(); i++) {
calculateCost(i, a, res);
cost = Agt0DSL.boundedSum(cost, res.getCost());
}
return cost;
}
/**
* calculate the cost for the given assignment
*
* @param owner
* @param a
* @param result
*/
@Override
public void calculateCost(int owner, Assignment a, ConstraintCheckResult result) {
List<KAryConstraint> constraintsToConsider = roots[owner].collectAllSubConstraints(a);
int cost = 0;
int cc = 0;
if (constraintsToConsider != null) {
for (KAryConstraint constraint : constraintsToConsider) {
constraint.getCost(a, result);
cost = Agt0DSL.boundedSum(cost, result.getCost());
cc += result.getCheckCost();
}
}
result.set(cost, cc);
}
@Override
public void getConstraintCost(int owner, Assignment k, ConstraintCheckResult result) {
KAryConstraint constraint = roots[owner].getConstraint(k);
if (constraint == null) {
result.set(0, 0);
} else {
constraint.getCost(k, result);
}
}