[jira] [Created] (FLINK-4730) Introduce CheckpointMetaData

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-4730:
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             Summary: Introduce CheckpointMetaData
                 Key: FLINK-4730
                 URL: https://issues.apache.org/jira/browse/FLINK-4730
             Project: Flink
          Issue Type: Bug
            Reporter: Stefan Richter


Currently, the meta data for each checkpoint consists of up to 5 long values which are passed through several functions. When adding/removing meta data  we would have to change function signatures in many places. Furthermore, this is prone to errors when the order of arguments is changed accidentally. We should introduce a CheckpointMetaData which encapsulates this checkpoint meta data.



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