95-136-042-源码-Operator-AbstractUdfStreamOperator

阅读量：77 次

发布时间：2019-02-26

本文共 872 字，大约阅读时间需要 2 分钟。

??

???????????operators????????????????????AbstractUdfStreamOperator ??????????????????????????????

????

AbstractUdfStreamOperator ? AbstractStreamOperator ?????????? userFunction ?????????????????????????????????

??????????? AbstractStreamOperator ?????AbstractUdfStreamOperator ??? userFunction ???????????????????????? OutputTypeConfigurable ??? setOutputType ???????????????

???????????????????????AbstractUdfStreamOperator ??????????????? userFunction ??????????runtimeContext?????configuration????????? function ? open() ? close() ??????????

???

??????????????Topology?????????????????????????????????????????????????????????????????????????????

??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

??? AbstractUdfStreamOperator ???????????????????????????????????????????????????????????????????????

转载地址：http://mcr.baihongyu.com/

你可能感兴趣的文章

No module named 'crispy_forms'等使用pycharm开发

No module named cv2

No module named tensorboard.main在安装tensorboardX的时候遇到的问题

No module named ‘MySQLdb‘错误解决No module named ‘MySQLdb‘错误解决

No new migrations found. Your system is up-to-date.

No qualifying bean of type XXX found for dependency XXX.

No qualifying bean of type ‘com.netflix.discovery.AbstractDiscoveryClientOptionalArgs＜?＞‘ available

No resource identifier found for attribute 'srcCompat' in package的解决办法

no session found for current thread

No toolchains found in the NDK toolchains folder for ABI with prefix: mips64el-linux-android

NO.23 ZenTaoPHP目录结构

NO32 网络层次及OSI7层模型--TCP三次握手四次断开--子网划分

NOAA（美国海洋和大气管理局）气象数据获取与POI点数据获取

NoClassDefFoundError: org/springframework/boot/context/properties/ConfigurationBeanFactoryMetadata

node exporter完整版

Node JS： < 一> 初识Node JS

Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime（72）

Node 裁切图片的方法

Node+Express连接mysql实现增删改查