TransferProvider::callProviderMethod

private function callProviderMethod($methodName, array $products = array())
{
	/** @var SaleSaleProviderBase $providerClass */
	$providerClass = $this->getProviderClass();
	if (!method_exists($providerClass, $methodName))
	{
		throw new MainArgumentOutOfRangeException('methodName');
	}
	return $providerClass->$methodName($products);
}