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<?php |
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namespace FMUP\Db; |
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use FMUP\Config; |
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use FMUP\Logger; |
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use FMUP\Db; |
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/** |
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* Class Db |
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* @package FMUP\Helper |
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*/ |
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class Manager implements Logger\LoggerInterface |
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{ |
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use Logger\LoggerTrait; |
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use Config\RequiredTrait; |
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const DEFAULT_NAME = 'DEFAULT_NAME'; |
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private static $instance = null; |
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private $instances = array(); |
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private function __construct() |
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{ |
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} |
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/** |
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* @codeCoverageIgnore |
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*/ |
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private function __clone() |
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{ |
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} |
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/** |
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* @param string $name |
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* @return Db |
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* @throws \InvalidArgumentException |
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* @throws \OutOfRangeException |
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*/ |
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public function get($name = self::DEFAULT_NAME) |
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{ |
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if (empty($name)) { |
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throw new \InvalidArgumentException('Name must be set'); |
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} |
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$name = (string)$name; |
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if (!isset($this->instances[$name])) { |
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if ($name == self::DEFAULT_NAME) { |
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$params = $this->getConfig()->get('parametres_connexion_db'); |
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} else { |
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$dbSettings = $this->getConfig()->get('db'); |
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if (isset($dbSettings[$name])) { |
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$params = $dbSettings[$name]; |
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} else { |
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throw new \OutOfRangeException('Trying to access a database name ' . $name . ' that not exists'); |
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} |
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} |
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$instance = new Db((array)$params); |
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if ($this->hasLogger()) { |
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$instance->setLogger($this->getLogger()); |
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} |
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$this->instances[$name] = $instance; |
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} |
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return $this->instances[$name]; |
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} |
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/** |
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* Close or change a connection by its name |
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* @param string $name |
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* @param Db|null $db |
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* @return $this |
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*/ |
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public function set($name = self::DEFAULT_NAME, Db $db = null) |
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{ |
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$this->instances[(string) $name] = $db; |
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return $this; |
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} |
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/** |
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* @return $this |
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*/ |
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final public static function getInstance() |
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{ |
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if (!self::$instance) { |
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$class = get_called_class(); |
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self::$instance = new $class(); |
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} |
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return self::$instance; |
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} |
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} |
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