Пример #1
0
  // Our QConPath objects are just placeholders to fields,
  // so the parents are reachable.
  // If we find a "real" constraint, we throw the QPath
  // out and replace it with the other constraint.
  private void morph(BooleanByRef removeExisting, QCon newConstraint, ReflectClass claxx) {
    boolean mayMorph = true;
    if (claxx != null) {
      ClassMetadata yc = i_trans.container().produceClassMetadata(claxx);
      if (yc != null) {
        Iterator4 i = iterateChildren();
        while (i.moveNext()) {
          QField qf = ((QCon) i.current()).getField();
          if (!yc.hasField(i_trans.container(), qf.name())) {
            mayMorph = false;
            break;
          }
        }
      }
    }

    if (mayMorph) {
      Iterator4 j = iterateChildren();
      while (j.moveNext()) {
        newConstraint.addConstraint((QCon) j.current());
      }
      if (hasJoins()) {
        Iterator4 k = iterateJoins();
        while (k.moveNext()) {
          QConJoin qcj = (QConJoin) k.current();
          qcj.exchangeConstraint(this, newConstraint);
          newConstraint.addJoin(qcj);
        }
      }
      i_parent.exchangeConstraint(this, newConstraint);
      removeExisting.value = true;

    } else {
      i_parent.addConstraint(newConstraint);
    }
  }
Пример #2
0
 QConPath(Transaction a_trans, QCon a_parent, QField a_field) {
   super(a_trans, a_parent, a_field, null);
   if (a_field != null) {
     _classMetadata = a_field.getFieldType();
   }
 }