public function loadAdapters()
    {
        $this->paymentAdapters = array();
        foreach ($this->paymentHandler->getAdapters() as $adapterName => $paymentAdapter) {
            $interfaceClass = sprintf(
                '%s\%s\AdapterInterface',
                __NAMESPACE__,
                ucwords($this->getServiceCode())
            );
            if ($paymentAdapter instanceof $interfaceClass) {
                $this->paymentAdapters[$adapterName] = $paymentAdapter;
            }
        }
    }