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