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<?php |
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/** |
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* Phossa Project |
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* |
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* PHP version 5.4 |
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* |
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* @category Library |
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* @package Phossa2\Db |
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* @copyright Copyright (c) 2016 phossa.com |
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* @license http://mit-license.org/ MIT License |
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* @link http://www.phossa.com/ |
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*/ |
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/*# declare(strict_types=1); */ |
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namespace Phossa2\Db\Traits; |
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use Phossa2\Db\Exception\RuntimeException; |
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use Phossa2\Db\Interfaces\TransactionInterface; |
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use Phossa2\Db\Message\Message; |
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/** |
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* TransactionTrait |
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* |
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* Implementation of TransactionInterface |
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* |
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* @package Phossa2\Db |
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* @author Hong Zhang <[email protected]> |
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* @see TransactionInterface |
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* @version 2.0.0 |
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* @since 2.0.0 added |
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*/ |
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trait TransactionTrait |
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{ |
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/** |
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* In transaction or not |
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* |
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* @var bool |
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* @access protected |
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*/ |
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protected $transaction = false; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function inTransaction()/*# : bool */ |
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{ |
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return $this->transaction; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function begin() |
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{ |
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$this->connect(); |
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$this->transaction = true; |
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$this->realBegin(); |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function commit() |
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{ |
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if ($this->isConnected()) { |
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$this->realCommit(); |
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} |
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$this->transaction = false; |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function rollback() |
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{ |
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if ($this->isConnected()) { |
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if (!$this->inTransaction()) { |
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throw new RuntimeException( |
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Message::get(Message::DB_TRANSACTION_NOTIN), |
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Message::DB_TRANSACTION_NOTIN |
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); |
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} |
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$this->realRollback(); |
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} |
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$this->transaction = false; |
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return $this; |
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} |
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/** |
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* Driver specific begin transaction |
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* |
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* @access protected |
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*/ |
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abstract protected function realBegin(); |
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/** |
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* Driver specific commit |
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* |
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* @access protected |
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*/ |
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abstract protected function realCommit(); |
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/** |
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* Driver specific rollback |
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* |
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* @access protected |
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*/ |
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abstract protected function realRollback(); |
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/* from other traits */ |
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abstract public function connect(); |
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abstract public function isConnected()/*# : bool */; |
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} |
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phossa2 /
db
