public ClassLoader getServiceClassLoader(SofaRequest sofaRequest) {
        String uniqueName = this.getServiceUniqueName(sofaRequest);
        return ReflectCache.getServiceClassLoader(uniqueName);
    }
get unique id from rpc invoke context

@return unique id from rpc invoke context
remoting/remoting-triple/src/main/java/com/alipay/sofa/rpc/server/triple/UniqueIdInvoker.java