hk__lrzy created FLINK-29944:
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Summary: Support accumaltor in source reader
Key: FLINK-29944
URL: https://issues.apache.org/jira/browse/FLINK-29944
Project: Flink
Issue Type: Improvement
Components: API / Core
Affects Versions: 1.17.0
Reporter: hk__lrzy
Source Reader is mainly for union batch and streaming logic in single
interface, it's good point for the developer, but in the {{SourceFunction}} we
can access {{runtimeconext}} to use accumulator before, now the
{{SourceReaderContext}} have no method for it, this PR is mainly to support it.
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