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 qualifying bean of type XXX found for dependency XXX.

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

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

Node JS： < 一> 初识Node JS

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

node, nvm, npm，pnpm，以前简单的前端环境为什么越来越复杂

Node-RED中使用JSON数据建立web网站

Node-RED中使用json节点解析JSON数据

Node-RED中使用node-random节点来实现随机数在折线图中显示

Node-RED中使用node-red-browser-utils节点实现选择Windows操作系统中的文件并实现图片预览

Node-RED中使用node-red-contrib-image-output节点实现图片预览

Node-RED中使用node-red-node-ui-iframe节点实现内嵌iframe访问其他网站的效果

Node-RED中使用Notification元件显示警告讯息框(温度过高提示)

Node-RED中实现HTML表单提交和获取提交的内容

Node-RED中建立Websocket客户端连接