### format the query result ###
###############################
# if a result-handler for the query is configured, call it
$cloFormatQueryResult = function (\DDDBL\Queue $objQueue, array $arrParameter) {
$objQuery = $objQueue->getState()->get('QUERY');
if (!$objQuery->exists('HANDLER')) {
return;
}
# get the handler and its config
$strHandlerConfig = $objQuery->get('HANDLER');
$arrHandlerConfig = preg_split('/\\s+/', $strHandlerConfig);
$strHandler = array_shift($arrHandlerConfig);
# remove handler-name from config
$strHandlerConfig = trim(str_replace($strHandler, '', $strHandlerConfig));
$objDataObjectPool = new DataObjectPool('Result-Handler');
if (!$objDataObjectPool->exists($strHandler)) {
throw new \Exception("unknown result-handler: {$strHandler}");
}
$objHandler = $objDataObjectPool->get($strHandler);
$cloHandler = $objHandler->get('HANDLER');
$cloHandler($objQueue, $strHandlerConfig);
};
$objQueue->addHandler(QUEUE_FORMAT_RESULT_POSITION, $cloFormatQueryResult);
####################
### close cursor ###
####################
# closing the cursor of the PDOStatement. this will free
# the result and enable the connection to execute the next query
$cloCloseCursor = function (\DDDBL\Queue $objQueue, array $arrParameter) {
$objQueryResult = $objQueue->getState()->get('PDOStatement');
$objQueryResult->closeCursor();
