JingsongLi opened a new pull request #22:
URL: https://github.com/apache/flink-table-store/pull/22
This PR creates a new Sink interface: `GlobalCommittingSink`.
```
/**
* The {@code GlobalCommitter} is responsible for creating and committing an
aggregated committable,
* which we call global committable (see {@link #combine}).
*
* <p>The {@code GlobalCommitter} runs with parallelism equal to 1.
*
* @param <CommT> The type of information needed to commit data staged by
the sink
* @param <GlobalCommT> The type of the aggregated committable
*/
public interface GlobalCommitter<CommT, GlobalCommT> extends AutoCloseable {
/** Find out which global committables need to be retried when
recovering from the failure. */
List<GlobalCommT> filterRecoveredCommittables(List<GlobalCommT>
globalCommittables)
throws IOException;
/** Compute an aggregated committable from a list of committables. */
GlobalCommT combine(long checkpointId, List<CommT> committables) throws
IOException;
/** Commits the given {@link GlobalCommT}. */
void commit(List<GlobalCommT> globalCommittables) throws IOException,
InterruptedException;
}
```
Because StoreSink committing needs to rely on checkpointId and needs to call
the `filterRecoveredCommittables` interface carefully, a global commit
mechanism similar to SinkV1 is created.
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