/**
* Removes a stored option.
*
* @param string $name The name of the option to be removed.
* @throws \InvalidArgumentException
*/
public function remove($name)
{
$name = trim($name);
if (in_array($name, $this->protected)) {
throw new \InvalidArgumentException(sprintf('"%s" is a protected option and may not be modified.', $name));
}
if (!$this->connection->isConnected()) {
throw new \RuntimeException('Database is not connected.');
}
$this->initialize(true);
if ($this->connection->delete($this->table, ['name' => $name])) {
unset($this->options[$name]);
$this->cache->delete($this->prefix . (isset($this->autoload[$name]) ? 'Autoload' : $name));
}
}
/**
* Deletes an entity.
*
* @param object $entity
* @throws \InvalidArgumentException
*/
public function delete($entity)
{
$metadata = $this->getMetadata($entity);
$identifier = $metadata->getIdentifier(true);
switch ($state = $this->getEntityState($entity)) {
case self::STATE_MANAGED:
$this->dispatchEvent(Events::preDelete, $entity, $metadata);
if (!($value = $metadata->getValue($entity, $identifier, true))) {
throw new \InvalidArgumentException("Can't remove entity with empty identifier value.");
}
$this->connection->delete($metadata->getTable(), [$identifier => $value]);
$this->entities->remove($entity);
$this->dispatchEvent(Events::postDelete, $entity, $metadata);
$metadata->setValue($entity, $identifier, null, true);
break;
case self::STATE_DETACHED:
throw new \InvalidArgumentException("Detached entity can not be removed");
default:
throw new \InvalidArgumentException(sprintf("Unexpected entity state: %s.", $state));
}
}
/**
* {@inheritdoc}
*/
public function write($id, $data)
{
try {
$params = ['id' => $id, 'data' => base64_encode($data), 'time' => date('Y-m-d H:i:s')];
if (null !== ($sql = $this->getMergeSql())) {
$this->connection->executeQuery($sql, $params);
return true;
}
$this->connection->beginTransaction();
try {
$this->connection->delete($this->table, ['id' => $id]);
$this->connection->insert($this->table, $params);
$this->connection->commit();
} catch (ConnectionException $e) {
$this->connection->rollback();
throw $e;
}
} catch (\PDOException $e) {
throw new \RuntimeException(sprintf('PDOException was thrown when trying to write the session data: %s', $e->getMessage()), 0, $e);
}
return true;
}
