/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'group_name' => 'group_name', 'path' => 'path', 'data' => 'data', 'component_id' => 'component_id', 'created_date' => 'created_date', 'expired_date' => 'expired_date');
}
return self::$_fieldKeys;
}
