static void postTeamConstraints(IntSetVar E, int n, int[] nbMembers, IntSetVarArray memberSets)
throws Failure {
C.postConstraint(E.cardinality().eq(n));
for (int i = 0; i < nbMembers.length; i++) {
C.postConstraint(E.intersectionWith(memberSets.get(i)).cardinality().ge(nbMembers[i]));
}
}
static void test() {
IntSetVarArray memberSets = new IntSetVarArray(C, 5);
memberSets.set(Stewards, 0);
memberSets.set(Hostesses, 1);
memberSets.set(French, 2);
memberSets.set(German, 3);
memberSets.set(Spanish, 4);
try {
for (int i = 0; i < crews.size() - 1; i++) {
crews.get(i).nullIntersectWith(crews.get(i + 1)).execute();
if ((i + 2) < 10) {
crews.get(i).nullIntersectWith(crews.get(i + 2)).execute();
}
}
for (int i = 0; i < crews.size(); i++) {
postTeamConstraints(
crews.get(i),
req[i][iNbMembers],
new int[] {
req[i][iStewards],
req[i][iHostesses],
req[i][iFrench],
req[i][iGerman],
req[i][iSpanish]
},
memberSets);
}
assertTrue(
"Solution for crews task wasn't found", C.execute(new GoalIntSetGenerate(crews)));
checkResults(crews);
} catch (Failure f) {
fail("test failed due to Failure exception's being thrown");
}
}
static void checkResults(IntSetVarArray array) {
int size = array.size();
for (int i = 0; i < size; i++) {
IntSetVar var = array.get(i);
Set checkSet = var.requiredSet();
assertTrue(checkSet.size() >= req[i][iNbMembers]);
assertTrue(intersectionCardinality(checkSet, Stewards.possibleSet()) >= req[i][iStewards]);
assertTrue(
intersectionCardinality(checkSet, Hostesses.possibleSet()) >= req[i][iHostesses]);
assertTrue(intersectionCardinality(checkSet, French.possibleSet()) >= req[i][iFrench]);
assertTrue(intersectionCardinality(checkSet, German.possibleSet()) >= req[i][iGerman]);
assertTrue(intersectionCardinality(checkSet, Spanish.possibleSet()) >= req[i][iSpanish]);
}
for (int i = 0; i < size - 2; i++) {
assertTrue(
intersectionCardinality(array.get(i).requiredSet(), array.get(i + 1).requiredSet())
== 0);
}
assertTrue(
intersectionCardinality(
array.get(size - 2).requiredSet(), array.get(size - 1).requiredSet())
== 0);
}
static void printSetArray(IntSetVarArray array, boolean requiredOnly) {
for (int i = 0; i < array.size(); i++) {
printSet(array.get(i), requiredOnly);
System.out.println("");
}
}