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<?php |
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/** |
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* Soluble Components (http://belgattitude.github.io/solublecomponents) |
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* |
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* @link http://github.com/belgattitude/solublecomponents for the canonical source repository |
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* @copyright Copyright (c) 2013-2014 Sébastien Vanvelthem |
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* @license https://github.com/belgattitude/solublecomponents/blob/master/LICENSE.txt MIT License |
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*/ |
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namespace Soluble\Normalist\Synthetic; |
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use Zend\Db\Adapter\Adapter; |
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class Transaction |
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{ |
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const STATE_NULL = 'null'; |
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const STATE_STARTED = 'started'; |
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const STATE_ROLLBACKED = 'rollbacked'; |
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const STATE_COMMITTED = 'committed'; |
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const STATE_ERRORED = 'errored'; |
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/** |
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* |
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* @param \Zend\Db\Adapter\Adapter $adapter |
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*/ |
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protected $adapter; |
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/** |
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* |
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* @var string state of current transaction |
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*/ |
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protected $state; |
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/** |
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* |
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* @param \Zend\Db\Adapter\Adapter $adapter |
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*/ |
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public function __construct(Adapter $adapter) |
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{ |
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$this->adapter = $adapter; |
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$this->state = self::STATE_NULL; |
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} |
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/** |
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* Start a new transaction |
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* |
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* @throws Exception\TransactionException |
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* @return Transaction |
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*/ |
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public function start() |
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{ |
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try { |
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if ($this->state == self::STATE_STARTED) { |
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throw new Exception\TransactionException(__METHOD__ . " Starting transaction on an already started one is not permitted."); |
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} |
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$this->adapter->getDriver()->getConnection()->beginTransaction(); |
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$this->state = self::STATE_STARTED; |
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} catch (\Exception $e) { |
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throw new Exception\TransactionException(__METHOD__ . ". Cannot start transaction '{$e->getMessage()}'."); |
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} |
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return $this; |
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} |
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/** |
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* Commit changes |
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* |
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* @throws Exception\TransactionException |
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* @return Transaction |
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*/ |
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public function commit() |
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{ |
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try { |
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$this->adapter->getDriver()->getConnection()->commit(); |
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$this->state = self::STATE_COMMITTED; |
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} catch (\Exception $e) { |
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$this->state = self::STATE_ERRORED; |
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throw new Exception\TransactionException(__CLASS__ . '::' . __METHOD__ . ". cannot commit transaction '{$e->getMessage()}'."); |
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} |
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return $this; |
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} |
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/** |
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* Rollback transaction |
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* |
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* @throws Exception\TransactionException |
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* @return Transaction |
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*/ |
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public function rollback() |
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{ |
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try { |
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$this->adapter->getDriver()->getConnection()->rollback(); |
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$this->state = self::STATE_ROLLBACKED; |
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} catch (\Exception $e) { |
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$this->state = self::STATE_ERRORED; |
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throw new Exception\TransactionException(__CLASS__ . '::' . __METHOD__ . ". cannot rollback transaction '{$e->getMessage()}'."); |
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} |
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return $this; |
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} |
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} |
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belgattitude /
solublecomponents
