[jira] [Created] (FLINK-6268) Object reuse for Either type

[Shang Yuanchun (Jira)]

Greg Hogan created FLINK-6268:
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             Summary: Object reuse for Either type
                 Key: FLINK-6268
                 URL: https://issues.apache.org/jira/browse/FLINK-6268
             Project: Flink
          Issue Type: Improvement
          Components: Core
    Affects Versions: 1.3.0
            Reporter: Greg Hogan
            Assignee: Greg Hogan
            Priority: Minor


While reviewing test coverage for FLINK-4705 I have come across that {{Either}} only implements partial object reuse (when from and to are both {{Right}}). We can implement full object reuse if {{Left}} stores a reference to a {{Right}} and {{Right}} to a {{Left}}. These references will be {{private}} and will remain {{null}} until set by {{EitherSerializer}} when copying or deserializing with object reuse.



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