[jira] [Created] (FLINK-19800) Make FileSourceSplit / FileSourceSplitState interaction extensible.

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-19800:
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             Summary: Make FileSourceSplit / FileSourceSplitState interaction extensible.
                 Key: FLINK-19800
                 URL: https://issues.apache.org/jira/browse/FLINK-19800
             Project: Flink
          Issue Type: Sub-task
          Components: Connectors / FileSystem
            Reporter: Stephan Ewen
            Assignee: Stephan Ewen
             Fix For: 1.12.0


We should add a method {{FileSourceSplit.updateWithCheckpointedPosition(CheckpointedPosition)}} that creates a new {{FileSourceSplit}} of the same type with an updated position.

Subclasses can override that method. The {{FileSourceSplitState}} uses that method to create the splits that are stored in the checkpoint.




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