/**
* @param \SplFileInfo|string $file
* @return bool
* @throws WebServerLogException
* TODO one of cases that produces PHP segfault (php bug)
*/
private function assertValidFile($file)
{
if (!$file instanceof \SplFileInfo) {
$file = new \SplFileInfo($file);
}
if ($file->getExtension() !== 'log') {
throw WebServerLogException::notLogFile($file);
}
if (!$file->isReadable()) {
throw WebServerLogException::notReadable($file);
}
}
/**
* @param QueryBuilder $qb
*
* @throws WebServerLogException
*
* @return string
*/
private function getEntityAlias(QueryBuilder $qb)
{
$aliases = $qb->getRootAliases();
if (count($aliases) !== 1) {
throw WebServerLogException::invalidQbAlias();
}
return array_shift($aliases);
}