/**
  * Internally called method to assist with early binding of objects
  * on load methods.  Can only early-bind references that this class owns in the database.
  * @param string $strParentAlias the alias of the parent (if any)
  * @param string $strAlias the alias of this object
  * @param array $objExpansionMap map of referenced columns to be immediately expanded via early-binding
  * @param QueryExpansion an already instantiated QueryExpansion object (used as a utility object to assist with object expansion)
  */
 public static function ExpandQuery($strParentAlias, $strAlias, $objExpansionMap, QQueryExpansion $objQueryExpansion)
 {
     if ($strAlias) {
         $objQueryExpansion->AddFromItem(sprintf('LEFT JOIN `role_module_authorization` AS `%s__%s` ON `%s`.`%s` = `%s__%s`.`role_module_authorization_id`', $strParentAlias, $strAlias, $strParentAlias, $strAlias, $strParentAlias, $strAlias));
         $objQueryExpansion->AddSelectItem(sprintf('`%s__%s`.`role_module_authorization_id` AS `%s__%s__role_module_authorization_id`', $strParentAlias, $strAlias, $strParentAlias, $strAlias));
         $objQueryExpansion->AddSelectItem(sprintf('`%s__%s`.`role_module_id` AS `%s__%s__role_module_id`', $strParentAlias, $strAlias, $strParentAlias, $strAlias));
         $objQueryExpansion->AddSelectItem(sprintf('`%s__%s`.`authorization_id` AS `%s__%s__authorization_id`', $strParentAlias, $strAlias, $strParentAlias, $strAlias));
         $objQueryExpansion->AddSelectItem(sprintf('`%s__%s`.`authorization_level_id` AS `%s__%s__authorization_level_id`', $strParentAlias, $strAlias, $strParentAlias, $strAlias));
         $objQueryExpansion->AddSelectItem(sprintf('`%s__%s`.`created_by` AS `%s__%s__created_by`', $strParentAlias, $strAlias, $strParentAlias, $strAlias));
         $objQueryExpansion->AddSelectItem(sprintf('`%s__%s`.`creation_date` AS `%s__%s__creation_date`', $strParentAlias, $strAlias, $strParentAlias, $strAlias));
         $objQueryExpansion->AddSelectItem(sprintf('`%s__%s`.`modified_by` AS `%s__%s__modified_by`', $strParentAlias, $strAlias, $strParentAlias, $strAlias));
         $objQueryExpansion->AddSelectItem(sprintf('`%s__%s`.`modified_date` AS `%s__%s__modified_date`', $strParentAlias, $strAlias, $strParentAlias, $strAlias));
         $strParentAlias = $strParentAlias . '__' . $strAlias;
     }
     if (is_array($objExpansionMap)) {
         foreach ($objExpansionMap as $strKey => $objValue) {
             switch ($strKey) {
                 case 'role_module_id':
                     try {
                         RoleModule::ExpandQuery($strParentAlias, $strKey, $objValue, $objQueryExpansion);
                         break;
                     } catch (QCallerException $objExc) {
                         $objExc->IncrementOffset();
                         throw $objExc;
                     }
                 case 'authorization_id':
                     try {
                         Authorization::ExpandQuery($strParentAlias, $strKey, $objValue, $objQueryExpansion);
                         break;
                     } catch (QCallerException $objExc) {
                         $objExc->IncrementOffset();
                         throw $objExc;
                     }
                 case 'authorization_level_id':
                     try {
                         AuthorizationLevel::ExpandQuery($strParentAlias, $strKey, $objValue, $objQueryExpansion);
                         break;
                     } catch (QCallerException $objExc) {
                         $objExc->IncrementOffset();
                         throw $objExc;
                     }
                 case 'created_by':
                     try {
                         UserAccount::ExpandQuery($strParentAlias, $strKey, $objValue, $objQueryExpansion);
                         break;
                     } catch (QCallerException $objExc) {
                         $objExc->IncrementOffset();
                         throw $objExc;
                     }
                 case 'modified_by':
                     try {
                         UserAccount::ExpandQuery($strParentAlias, $strKey, $objValue, $objQueryExpansion);
                         break;
                     } catch (QCallerException $objExc) {
                         $objExc->IncrementOffset();
                         throw $objExc;
                     }
                 default:
                     throw new QCallerException(sprintf('Unknown Object to Expand in %s: %s', $strParentAlias, $strKey));
             }
         }
     }
 }