/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @access public
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'cycle_name' => 'cycle_name', 'cycle_start_date' => 'cycle_start_date', 'cycle_end_date' => 'cycle_end_date', 'cycle_self_appraisal_due' => 'cycle_self_appraisal_due', 'cycle_manager_appraisal_due' => 'cycle_manager_appraisal_due', 'cycle_grade_due' => 'cycle_grade_due', 'cycle_type_id' => 'cycle_type_id');
}
return self::$_fieldKeys;
}
