public function process($data) { if ($this->isValid($data) !== true) { throw new C3op_Form_LinkageRemoveException('Invalid data!'); } else { $db = Zend_Registry::get('db'); $linkageMapper = new C3op_Register_LinkageMapper($db); $linkageToBeRemoved = $linkageMapper->FindById($this->id->GetValue()); $linkageMapper->delete($linkageToBeRemoved); } }