protected function benchmark(Netizen $user, $counter)
{
$key = $user->getUsername();
$stopwatch = microtime(true);
for ($k = 0; $k < $counter; $k++) {
$this->repository->persist($user);
}
printf(" write %s %.1f ms\n", $key, (microtime(true) - $stopwatch) * 1000 / $counter);
$stopwatch = microtime(true);
for ($k = 0; $k < $counter; $k++) {
$user = $this->repository->findByNickname($key);
}
printf(" read %s %.1f ms\n", $user->getUsername(), (microtime(true) - $stopwatch) * 1000 / $counter);
}
/**
* From key to object
*
* {@inheritDoc}
*/
public function reverseTransform($value)
{
if (null !== $value && !is_scalar($value)) {
throw new TransformationFailedException('Expected a scalar.');
}
if (!$this->existsNickname($value)) {
throw new TransformationFailedException("{$value} is an invalid choice");
}
$found = $this->repository->findByNickname($value);
if (is_null($found)) {
throw new TransformationFailedException("Author {$value} is not found");
}
return $found->getAuthor();
}
