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;
}
public int getIndexOfChild(Object parent, Object child) {
Vector children = getChildren(parent);
if (children != null && children.contains(child))
return children.indexOf(child);
return -1;
}