public static function getInstance($dataType)
{
if (!isset(self::$connections[$dataType])) {
try {
$connection = new Mongo(Config::item('env.mongodb.server'), Config::item('env.mongodb.option'));
} catch (MongoConnectionException $e) {
$connection = new BlackHole();
return self::$connections[$dataType] = $connection;
}
self::$connections[$dataType] = $connection->selectDB('chaoge')->selectCollection($dataType);
self::$connections[$dataType]->setSlaveOkay();
}
return self::$connections[$dataType];
}
public function testCallStatic()
{
$instance = BlackHole::whateverStaticMethod();
$this->assertInstanceOf('Sink\\BlackHole', $instance);
}
