public function __construct()
{
// Open New Redis Connection
$this->connection = @fsockopen(Config::getRequiredVal('redis', 'host'), Config::getRequiredVal('redis', 'port'), $errno, $errstr);
// Test Connection
if (!$this->connection) {
throw new ConnectionFailureException("Could not connect to Redis");
}
}
public static function factory()
{
// Find Engine Classname
$engine_namespace = 'Atomic\\Database\\Engines\\';
$engine = Config::getRequiredVal('db', 'engine');
$class_name = $engine_namespace . $engine;
// Check if Class Exists and Load it
if (@class_exists($class_name)) {
return $class_name::getInstance();
} else {
throw new EngineNotFoundException("Engine '{$engine}' is not supported");
}
}
public static function getInstance()
{
// Check if a Database Instance Doesn't Already Exist
if (!static::$_instance) {
$sqlite_file = Config::getRequiredVal('db', 'sqlite_file');
try {
$dsn = "sqlite:{$sqlite_file}";
static::$_instance = new PDO($dsn, null, null);
} catch (PDOException $e) {
throw new ConnectionFailureException($e->getMessage());
}
}
return static::$_instance;
}
public static function getInstance()
{
// Check if a Database Instance Doesn't Already Exist
if (!static::$_instance) {
// Get Connection Information from Configuration
$host = Config::getRequiredVal('db', 'host');
$port = Config::getRequiredVal('db', 'port');
$user = Config::getRequiredVal('db', 'user');
$pass = Config::getRequiredVal('db', 'pass');
$name = Config::getRequiredVal('db', 'name');
try {
// Open a new Connection
$dsn = "pgsql:host={$host};port={$port};dbname={$name}";
static::$_instance = new PDO($dsn, $user, $pass);
} catch (PDOException $e) {
throw new ConnectionFailureException($e->getMessage());
}
}
return static::$_instance;
}
/**
* Passes the request by loading the controller, executing
* the function requested and passing any required parameters.
* @param $controller The Requested Controller
* @param $function The requested function
* @param $args The Parameters of the function
* @param $namespace Controller namespace, defaults if not specified
*/
public static function passRequest($controller, $function, $args = false, $namespace = false)
{
if ($namespace === false) {
$namespace = Config::getRequiredVal("app", "controller_namespace");
}
$class = $namespace . $controller;
if (@class_exists($class)) {
$obj = $class::getInstance();
$obj->setParameters($parameters);
try {
call_user_func_array(array($obj, $function), array());
} catch (PassRequestException $e) {
throw new PassRequestException($e->getMessage());
}
} else {
throw new MissingClassException("Could not find controller {$controller}");
}
}
