/**
  * Delete this object and reset all relationship. This function will not delete any of related objec
  *
  * @access public
  * @param void
  * @return boolean
  */
 function save()
 {
     parent::save();
     /*if ($this->getDueDate() instanceof DateTimeValue) {
     			$id = $this->getId();
     			$sql = "UPDATE `".TABLE_PREFIX."object_reminders` SET
     				`date` = date_sub((SELECT `due_date` FROM `".TABLE_PREFIX."project_milestones` WHERE `id` = $id),
     					interval `minutes_before` minute) WHERE
     					`object_manager` = 'ProjectMilestones' AND `object_id` = $id;";
     			DB::execute($sql);
     		}*/
 }