Пример #1
0
  public Vector getChildren(Object parent) {
    if (!(parent instanceof MClass)) return null;
    Vector res = new Vector();
    Vector ends = new Vector(((MClass)parent).getAssociationEnds());
    if (ends == null) return null;
    java.util.Enumeration enum = ends.elements();
    while (enum.hasMoreElements()) {
      MAssociationEnd ae = (MAssociationEnd) enum.nextElement();
      MAssociation asc = ae.getAssociation();
      Vector allEnds = new Vector( asc.getConnections());
      MAssociationEnd otherEnd = null;
      if (ae == allEnds.elementAt(0))
	otherEnd = (MAssociationEnd) allEnds.elementAt(1);
      if (ae == allEnds.elementAt(1))
	otherEnd = (MAssociationEnd) allEnds.elementAt(0);
      if (otherEnd == null) continue;
      if (!otherEnd.isNavigable()) continue;
      if (res.contains(otherEnd.getType())) continue;
      res.addElement(otherEnd.getType());
      // needs-more-work: handle n-way Associations
    }
    return res;
  }
Пример #2
0
 public int getIndexOfChild(Object parent, Object child) {
   Vector children = getChildren(parent);
   if (children != null && children.contains(child))
     return children.indexOf(child);
   return -1;
 }