Stephan Ewen created FLINK-19265:
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Summary: Simplify handling of 'NoMoreSplitsEvent'
Key: FLINK-19265
URL: https://issues.apache.org/jira/browse/FLINK-19265
Project: Flink
Issue Type: Improvement
Components: Connectors / Common
Reporter: Stephan Ewen
Assignee: Stephan Ewen
Fix For: 1.12.0
Split assignment events are treated specially by the source API. Users do not
create them directly but call methods on the contexts to assign splits.
The {{NoMoreSplitsEvent}} is in contrast to that a custom user event and needs
to be handled like a custom event, when sent by enumerators and received by the
readers.
That seems a bit confusing and inconsistent, given that NoMoreSplits is
essential for all bounded stream use cases and is on the same level as the
{{AddSplitEvent}}.
I suggest that we treat "no more splits" similarly, by having either a custom
method or a custom "SplitAssignment" on the context and reader.
[~jqin] Curious what would be your take on this.
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