@Override
    public SofaResponse invoke() {
        if (isCircuitBreakerOpen() && LOGGER.isWarnEnabled(invoker.getConfig().getAppName())) {
            LOGGER.warnWithApp(invoker.getConfig().getAppName(), "Circuit Breaker is opened, method: {}#{}",
                invoker.getConfig().getInterfaceId(), request.getMethodName());
        }
        return execute();
    }
{@link HystrixCommand} for sync requests

@author <a href=mailto:scienjus@gmail.com>ScienJus</a>
fault/fault-hystrix/src/main/java/com/alipay/sofa/rpc/hystrix/SofaHystrixCommand.java