Maslosoft Mangan API
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/**
* This software package is licensed under AGPL or Commercial license.
*
* @package maslosoft/mangan
* @licence AGPL or Commercial
* @copyright Copyright (c) Piotr Masełkowski <pmaselkowski@gmail.com>
* @copyright Copyright (c) Maslosoft
* @copyright Copyright (c) Others as mentioned in code
* @link https://maslosoft.com/mangan/
*/
namespace Maslosoft\Mangan;
use Exception;
use Maslosoft\Addendum\Interfaces\AnnotatedInterface;
use Maslosoft\Mangan\Exceptions\TransactionException;
use Maslosoft\Mangan\Helpers\CommandProxy;
/**
* Transaction
*
* @author Piotr Maselkowski <pmaselkowski at gmail.com>
*/
class Transaction
{
const IsolationMVCC = 'mvcc';
const IsolationSerializable = 'serializable';
const IsolationReadUncommitted = 'readUncommitted';
const CommandBegin = 'beginTransaction';
const CommandCommit = 'commitTransaction';
const CommandRollback = 'rollbackTransaction';
/**
*
* @var CommandProxy
*/
private $cmd = null;
/**
* Whenever transaction is currently active
* @var bool
*/
private static $isActive = false;
/**
* Whenever transactions are available in current database
* @var bool
*/
private static $isAvailable = null;
/**
* Begin new transaction
* @param AnnotatedInterface $model
* @param enum $isolation
*/
public function __construct(AnnotatedInterface $model, $isolation = self::IsolationMVCC)
{
$this->cmd = new CommandProxy($model);
if (null === self::$isAvailable)
{
self::$isAvailable = $this->isAvailable();
}
if (!self::$isAvailable)
{
return;
}
if (self::$isActive)
{
throw new TransactionException('Transaction is already running');
}
$this->cmd->call(self::CommandBegin, [
'isolation' => $isolation
]);
self::$isActive = true;
}
public function isAvailable()
{
return $this->cmd->isAvailable(self::CommandBegin);
}
public function commit()
{
$this->_finish(self::CommandCommit);
}
public function rollback()
{
$this->_finish(self::CommandRollback);
}
private function _finish($command)
{
try
{
$this->cmd->call($command);
}
catch (Exception $e)
{
throw $e;
} finally
{
self::$isActive = false;
}
}
}
API documentation generated by ApiGen