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<?php /** * @package ActiveRecord */ namespace ActiveRecord;
/** * Singleton to manage any and all database connections. * * @package ActiveRecord */ class ConnectionManager extends Singleton { /** * Array of {@link Connection} objects. * @var array */ static private $connections = array();
/** * If $name is null then the default connection will be returned. * * @see Config * @param string $name Optional name of a connection * @return Connection */ public static function get_connection($name=null) { $config = Config::instance(); $name = $name ? $name : $config->get_default_connection();
if (!isset(self::$connections[$name]) || !self::$connections[$name]->connection) self::$connections[$name] = Connection::instance($config->get_connection($name));
return self::$connections[$name]; }
/** * Drops the connection from the connection manager. Does not actually close it since there * is no close method in PDO. * * @param string $name Name of the connection to forget about */ public static function drop_connection($name=null) { if (isset(self::$connections[$name])) unset(self::$connections[$name]); } }
?>
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