/** * {@inheritDoc} */ public function executeQuery(QueryInterface $query) { // ExecuteQueryCommand first! Because a queryClass _IS_ actually invoked. if (!is_null($this->gate->getSystemBus())) { $executeQueryCommand = new ExecuteQueryCommand(); $executeQueryCommand->setMessageClass(get_class($query)); $executeQueryCommand->setMessageVars($query->getMessageVars()); $executeQueryCommand->setBusName($this->getName()); $this->gate->getSystemBus()->invokeCommand($executeQueryCommand); } try { $response = $this->bus->executeQuery($query); if ($response === false) { return false; } } catch (BusException $ex) { //throw it again throw $ex; } catch (\Exception $ex) { throw BusException::defaultBusError($ex->getMessage(), null, $ex); } // Dispatch the QueryExecutedEvent here! If for example a query could not be executed // because it does not exist in the queryHandlerMap[<empty>] this Event would never // be dispatched! if (!is_null($this->gate->getSystemBus())) { $queryExecutedEvent = new QueryExecutedEvent(); $queryExecutedEvent->setMessageClass(get_class($query)); $queryExecutedEvent->setMessageVars($query->getMessageVars()); $queryExecutedEvent->setBusName($this->getName()); $queryExecutedEvent->setResult($response); $this->gate->getSystemBus()->publishEvent($queryExecutedEvent); } return $response; }