private void addConstraint(Collection4 col, Object obj) {
if (attachToExistingConstraints(col, obj, true)) {
return;
}
if (attachToExistingConstraints(col, obj, false)) {
return;
}
QConObject newConstraint = new QConObject(_trans, null, null, obj);
addConstraint(newConstraint);
col.add(newConstraint);
}
private Collection4 introduceClassConstrain(ReflectClass claxx) {
final Collection4 newConstraints = new Collection4();
final Iterator4 existingConstraints = iterateConstraints();
while (existingConstraints.moveNext()) {
final QCon existingConstraint = (QConObject) existingConstraints.current();
final BooleanByRef removeExisting = new BooleanByRef(false);
final QCon newConstraint = existingConstraint.shareParentForClass(claxx, removeExisting);
if (newConstraint != null) {
newConstraints.add(newConstraint);
addConstraint(newConstraint);
if (removeExisting.value) {
removeConstraint(existingConstraint);
}
}
}
return newConstraints;
}
public Iterator4 executeSnapshot() {
final CreateCandidateCollectionResult r = createCandidateCollection();
final Collection4 executionPath = executionPath(r);
Iterator4 candidatesIterator = new Iterator4Impl(r.candidateCollection);
Collection4 snapshots = new Collection4();
while (candidatesIterator.moveNext()) {
QCandidates candidates = (QCandidates) candidatesIterator.current();
snapshots.add(candidates.executeSnapshot(executionPath));
}
Iterator4 snapshotsIterator = snapshots.iterator();
final CompositeIterator4 resultingIDs = new CompositeIterator4(snapshotsIterator);
if (!r.checkDuplicates) {
return resultingIDs;
}
return checkDuplicates(resultingIDs);
}
private boolean attachToExistingConstraints(
Collection4 newConstraintsCollector, Object obj, boolean onlyForPaths) {
boolean found = false;
final Iterator4 j = iterateConstraints();
while (j.moveNext()) {
QCon existingConstraint = (QCon) j.current();
final BooleanByRef removeExisting = new BooleanByRef(false);
if (!onlyForPaths || (existingConstraint instanceof QConPath)) {
QCon newConstraint = existingConstraint.shareParent(obj, removeExisting);
if (newConstraint != null) {
newConstraintsCollector.add(newConstraint);
addConstraint(newConstraint);
if (removeExisting.value) {
removeConstraint(existingConstraint);
}
found = true;
if (!onlyForPaths) {
break;
}
}
}
}
return found;
}
void addConstraint(QCon a_constraint) {
i_constraints.add(a_constraint);
}