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<?php |
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/** |
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* DronePHP (http://www.dronephp.com) |
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* |
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* @link http://github.com/Pleets/DronePHP |
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* @copyright Copyright (c) 2016-2018 Pleets. (http://www.pleets.org) |
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* @license http://www.dronephp.com/license |
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* @author Darío Rivera <[email protected]> |
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*/ |
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namespace Drone\Db\TableGateway; |
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use Drone\Db\Driver\DriverFactory; |
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use Drone\Db\Entity; |
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/** |
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* AbstractTableGateway class |
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* |
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* This class stores statically different connections from a TableGateway |
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*/ |
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abstract class AbstractTableGateway |
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{ |
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/** |
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* Entity instance |
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* |
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* @var Entity |
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*/ |
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protected $entity; |
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/** |
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* Driver collector |
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* |
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* @var AbstractDriver[] |
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*/ |
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private static $drivers; |
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/** |
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* Current connection |
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* |
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* @var string |
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*/ |
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protected $currentConnection; |
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/** |
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* Returns the entity |
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* |
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* @return Entity |
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*/ |
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public function getEntity() |
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{ |
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return $this->entity; |
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} |
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/** |
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* Returns all registered drivers |
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* |
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* @return AbstractDriver[] |
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*/ |
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public static function getDrivers() |
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{ |
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return self::$drivers; |
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} |
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/** |
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* Returns the current connection identifier |
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* |
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* @return string |
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*/ |
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public function getCurrentConnection() |
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{ |
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return $this->currentConnection; |
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} |
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/** |
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* Constructor |
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* |
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* @param Entity $entity |
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* @param array|string $connection |
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* |
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* @throws \RuntimeException |
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*/ |
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public function __construct(Entity $entity, $connection) |
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{ |
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$this->entity = $entity; |
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if (is_string($connection)) { |
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$this->currentConnection = $connection; |
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$this->getDriver($connection); |
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} elseif (is_array($connection)) { |
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$identifier = key($connection); |
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$connection_options = $connection[$identifier]; |
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$this->currentConnection = $identifier; |
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if (!array_key_exists('driver', $connection_options)) { |
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throw new \RuntimeException("The database driver key has not been declared"); |
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} |
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if (!isset(self::$drivers[$identifier])) { |
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self::$drivers[$identifier] = DriverFactory::create($connection_options); |
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} else { |
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throw new \RuntimeException("The database connection already exists"); |
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} |
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} else { |
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throw new \InvalidArgumentException("Invalid type given. Array or string expected"); |
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} |
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} |
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/** |
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* Returns the a particular connection |
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* |
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* @param string |
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* @param mixed $identifier |
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* |
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* @throws \RuntimeException |
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* @return AbstractDriver |
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* |
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*/ |
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public static function getDriver($identifier) |
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{ |
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if (!array_key_exists($identifier, self::$drivers)) { |
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throw new \RuntimeException("The database connection does not exists"); |
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} |
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return self::$drivers[$identifier]; |
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} |
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/** |
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* Returns true if the connection exists |
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* |
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* @param string |
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* @param mixed $identifier |
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* |
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* @throws \RuntimeException |
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* @return boolean |
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* |
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*/ |
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public static function hasDriver($identifier) |
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{ |
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if (!array_key_exists($identifier, self::$drivers)) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Returns the current connection driver |
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* |
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* @throws \RuntimeException |
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* @return AbstractDriver |
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* |
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*/ |
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public function getCurrentDriver() |
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{ |
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return self::$drivers[$this->currentConnection]; |
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} |
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/** |
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* Alias for getCurrentDriver() |
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* |
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* @throws \RuntimeException |
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* @return AbstractDriver |
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* |
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*/ |
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public function getDb() |
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{ |
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return $this->getCurrentDriver(); |
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} |
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} |
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Pleets /
dronephp
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