code: public static Compressor getCompressor(byte code) {
          Compressor compressor = TYPE_COMPRESSOR_MAP.get(code);
          if (compressor == null) {
              throw new SofaRpcRuntimeException("Compressor Not Found :\"" + code + "\"!");
          }
          return compressor;
      }
docs: 按压缩编码返回协议对象
  
  @param code Compressor编码
  @return Compressor