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Steven Zhen Wu edited comment on FLINK-19698 at 10/20/20, 12:59 AM: -------------------------------------------------------------------- Since FLIP-27 is the unified source interface for both streaming and batch modes, what does the checkpoint method mean for batch mode? was (Author: stevenz3wu): Since FLIP-27 is the unified source interface for both streaming and batch modes, what does it the checkpoint method mean for batch mode? > Add close() method and onCheckpointComplete() to the Source. > ------------------------------------------------------------ > > Key: FLINK-19698 > URL: https://issues.apache.org/jira/browse/FLINK-19698 > Project: Flink > Issue Type: Improvement > Components: Connectors / Common > Affects Versions: 1.11.2 > Reporter: Jiangjie Qin > Assignee: Jiangjie Qin > Priority: Major > > Right now there are some caveats to the new Source API. From the > implementation of some connectors. We would like to make the following > improvements to the current Source API. > # Add the following method to the {{SplitReader}} API. > {{public void close() throws Exception;}} > This method allows the SplitReader implementations to be closed properly when > the split fetcher exits. > # Add the following method to the {{SourceReader}} API. > {{public void checkpointComplete(long checkpointId);}} > This method allows the {{SourceReader}} to take some cleanup / reporting > actions when a checkpoint has been successfully taken. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)