/**
* {@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;
}
