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<?php |
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/** |
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* Base db-adapter class |
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* |
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* @file PdoConnection.php |
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* |
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* PHP version 5.4+ |
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* |
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* @author Alexander Yancharuk <alex at itvault dot info> |
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* @copyright © 2012-2015 Alexander Yancharuk <alex at itvault at info> |
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* @date 2013-12-31 15:44 |
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* @license The BSD 3-Clause License |
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* <https://tldrlegal.com/license/bsd-3-clause-license-(revised)> |
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*/ |
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namespace Veles\DataBase\Adapters; |
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use Veles\DataBase\ConnectionPools\ConnectionPool; |
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use Veles\Traits\SingletonInstance; |
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/** |
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* Class DbAdapterBase |
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* |
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* Base class for Db adapters |
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* |
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* @author Alexander Yancharuk <alex at itvault dot info> |
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*/ |
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class DbAdapterBase |
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{ |
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/** @var ConnectionPool */ |
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protected static $pool; |
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/** @var \PDO */ |
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protected static $connection; |
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/** @var string */ |
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protected static $connection_name; |
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use SingletonInstance; |
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/** |
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* Add connection pool |
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* |
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* @param ConnectionPool $pool |
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*/ |
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public static function setPool(ConnectionPool $pool) |
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{ |
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static::$pool = $pool; |
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static::$connection_name = $pool->getDefaultConnectionName(); |
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} |
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/** |
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* Get connection pool |
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* |
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* @return ConnectionPool $pool |
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*/ |
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public static function getPool() |
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{ |
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return static::$pool; |
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} |
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/** |
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* Set default connection |
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* |
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* @param string $name Connection name |
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* |
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* @return $this |
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*/ |
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public function setConnection($name) |
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{ |
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static::$connection_name = $name; |
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static::$connection = null; |
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return $this; |
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} |
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/** |
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* Get default connection resource |
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* |
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* return \PDO |
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*/ |
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public function getConnection() |
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{ |
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if (null === static::$connection) { |
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$conn = static::$pool->getConnection(static::$connection_name); |
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static::$connection = (null === $conn->getResource()) |
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? $conn->create() |
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: $conn->getResource(); |
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} |
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return static::$connection; |
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} |
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} |
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nafigator /
Veles
