Qingsheng Ren created FLINK-36245:
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Summary: Remove legacy SourceFunction / SinkFunction / Sink V1 API
in 2.0
Key: FLINK-36245
URL: https://issues.apache.org/jira/browse/FLINK-36245
Project: Flink
Issue Type: Technical Debt
Components: Connectors / Common
Reporter: Qingsheng Ren
Fix For: 2.0-preview
SourceFunction, SinkFunction and Sink V1 API has been marked as deprecated and
should be removed in Flink 2.0.
Considering SourceFunction / SinkFunction are heavily used in test cases for
building a simple data generator or a data validator, it could be a huge amount
of work to rewrite all these usages with Source and Sink V2 API. A viable path
for 2.0-preview version would be:
* Move SourceFunction, SinkFunction to an internal package, as a test util
* Rewrite all Sink V1 implementations with Sink V2 directly (the usage of Sink
V1 is low in the main repo)
As a long term working item, all usages of SourceFunction and SinkFunction will
be replaced by Source and Sink API.
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