[jira] [Closed] (FLINK-2637) Add abstract equals, hashCode and toString methods to TypeInformation

["Fabian Hueske (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-2637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fabian Hueske closed FLINK-2637.
--------------------------------
    Resolution: Fixed

Fixed with 8ca853e0f6c18be8e6b066c6ec0f23badb797323

> Add abstract equals, hashCode and toString methods to TypeInformation
> ---------------------------------------------------------------------
>
>                 Key: FLINK-2637
>                 URL: https://issues.apache.org/jira/browse/FLINK-2637
>             Project: Flink
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 0.9, 0.10
>            Reporter: Fabian Hueske
>            Assignee: Till Rohrmann
>              Labels: starter
>             Fix For: 0.10
>
>
> Flink expects that implementations of {{TypeInformation}} have valid implementations of {{hashCode}} and {{equals}}. However, the API does not enforce to implement these methods. Hence, this is a common origin for bugs such as for example FLINK-2633.
> This can be avoided by adding abstract {{hashCode}} and {{equals}} methods to TypeInformation. An abstract {{toString}} method could also be added.
> This change will brake the API and require to fix a couple of broken {{TypeInformation}} implementations.



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