public function lock($space, $key, $type)
{
if (!$this->driver->isTransactionRunning()) {
$this->driver->beginTransaction();
register_shutdown_function(array($this, 'commit'));
}
// By loading the entity we create a shared lock.
$entity = $this->loadEntity($space, $key, false);
if ($entity === null) {
$this->write($space, $key, null);
$entity = $this->loadEntity($space, $key, false);
}
if ($type == self::EXCLUSIVE_LOCK) {
// When we write the entity back to the database, we force that the
// row is exclusivly locked. We need to write the whole entity (all fields) otherwise
// we may lock only certain fields.
$this->entityManager->persist($entity, false);
}
}
public function beginTransaction()
{
$this->driver->beginTransaction();
}
