@Override
    public boolean isCancelled() {
        return delegate.isCancelled();
    }
the {@link Future}(from {@link HystrixCommand#queue()}) wrapper that can be used as a {@link ResponseFuture}

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