// current limitation is that an ObjRelationship must have source
// and target entities present, with DbEntities chosen.
validateCanMap();
// wrap path
this.dbRelationshipPath = new ListModel();
Iterator it = relationship.getDbRelationships().iterator();
while (it.hasNext()) {
DbRelationship dbRelationship = (DbRelationship) it.next();
this.dbRelationshipPath.add(new EntityRelationshipsModel(dbRelationship));
}