/**
  * Populates the collection of business objects from raw data
  *
  * @return bool
  * @param MySqlRawData $result
  */
 protected function BuildItems(MySqlRawData $result)
 {
     $this->Clear();
     # use CollectionBuilder to handle duplicates
     $user_builder = new CollectionBuilder();
     $roles = new CollectionBuilder();
     $role_class_loaded = false;
     $user = null;
     while ($row = $result->fetch()) {
         # check whether this is a new person
         if (!$user_builder->IsDone($row->user_id)) {
             # store any exisiting person
             if ($user != null) {
                 $this->Add($user);
                 $roles->Reset();
             }
             # create the new person
             $user = new User();
             $user->SetId($row->user_id);
             $user->SetName($row->known_as);
             if (isset($row->name_first)) {
                 $user->SetFirstName($row->name_first);
             }
             if (isset($row->name_last)) {
                 $user->SetLastName($row->name_last);
             }
             if (isset($row->email)) {
                 $user->SetEmail($row->email);
             }
             if (isset($row->gender)) {
                 $user->SetGender($row->gender);
             }
             if (isset($row->occupation)) {
                 $user->SetOccupation($row->occupation);
             }
             if (isset($row->interests)) {
                 $user->SetInterests($row->interests);
             }
             if (isset($row->location)) {
                 $user->SetLocation($row->location);
             }
             if (isset($row->sign_up_date)) {
                 $user->SetSignUpDate($row->sign_up_date);
             }
             if (isset($row->total_messages)) {
                 $user->SetTotalMessages($row->total_messages);
             }
             if (isset($row->disabled)) {
                 $user->SetAccountDisabled($row->disabled);
             }
         }
         # Add security roles
         if (isset($row->role_id) and !$roles->IsDone($row->role_id)) {
             if (!$role_class_loaded) {
                 require_once "authentication/role.class.php";
                 $role_class_loaded = true;
             }
             $role = new Role($row->role_id, $row->role);
             $user->Roles()->Add($role);
         }
     }
     # store final person
     if ($user != null) {
         $this->Add($user);
     }
 }