[jira] [Updated] (FLINK-7018) Refactor streamGraph to make interfaces clear

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-7018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-7018:
----------------------------------
      Labels: auto-deprioritized-major auto-deprioritized-minor auto-unassigned pull-request-available  (was: auto-deprioritized-major auto-unassigned pull-request-available stale-minor)
    Priority: Not a Priority  (was: Minor)

This issue was labeled "stale-minor" 7 days ago and has not received any updates so it is being deprioritized. If this ticket is actually Minor, please raise the priority and ask a committer to assign you the issue or revive the public discussion.


> Refactor streamGraph to make interfaces clear
> ---------------------------------------------
>
>                 Key: FLINK-7018
>                 URL: https://issues.apache.org/jira/browse/FLINK-7018
>             Project: Flink
>          Issue Type: Improvement
>          Components: API / DataStream
>            Reporter: Xu Pingyong
>            Priority: Not a Priority
>              Labels: auto-deprioritized-major, auto-deprioritized-minor, auto-unassigned, pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Motivation:    
>        1. StreamGraph is a graph consisted of some streamNodes. So virtual nodes (such as select, sideOutput, partition) should be moved away from it. Main iterfaces of StreamGraph should be as following：
>         addSource(StreamNode sourceNode)
>         addSink(StreamNode sinkNode)
>        addOperator(StreamNode streamNode)
>        addEdge(Integer upStreamVertexID, Integer downStreamVertexID, StreamEdge.InputOrder inputOrder, StreamPartitioner<?> partitioner, List<String> outputNames, OutputTag outputTag)
>         getJobGraph()
>      2. StreamExecutionEnvironment should not be in StreamGraph, I create StreamGraphProperties which extracts all env information the streamGraph needs from StreamExecutionEnvironment. It contains:
>     1) executionConfig
>     2) checkpointConfig
>     3) timeCharacteristic
>     4) stateBackend
>     5) chainingEnabled
>     6) cachedFiles
>     7) jobName
>     
> Related Changes:
>        I moved the part of dealing with virtual nodes to StreamGraphGenerator. And get properties of StreamGraph from StreamGraphProperties instead of StreamExecutionEnvironment.
>  
>       It is only a code abstraction internally.



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