[jira] [Closed] (FLINK-16316) Provide new base class for StreamOperators

["Piotr Nowojski (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-16316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Piotr Nowojski closed FLINK-16316.
----------------------------------
    Resolution: Fixed

Merged as 89ceb2a59c..73d410354d

> Provide new base class for StreamOperators
> ------------------------------------------
>
>                 Key: FLINK-16316
>                 URL: https://issues.apache.org/jira/browse/FLINK-16316
>             Project: Flink
>          Issue Type: Sub-task
>          Components: API / DataStream
>    Affects Versions: 1.10.0
>            Reporter: Piotr Nowojski
>            Assignee: Piotr Nowojski
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.11.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Current {{AbstractStreamOperator}} has at least couple of issues:
> # it's using deprecated {{SetupableStreamOperator}} interface, instead of relaying on {{StreamOperatorFactory}}.
> # it depends on {{OneInputStreamOperator}} and {{TwoInputStreamOperator}} interfaces, by providing indirectly implementation of methods like {{processLatencyMarker}}, {{processLatencyMarker1}} and {{processLatencyMarker2}}
> Both of those things makes {{AbstractStreamOperator}} an unsuitable base implementation for {{MultipleInputStreamOperator}}. We should provide a new base class (or hierarchy of base classes), without those two limitations.
> CC [~aljoscha]



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