GitHub user tillrohrmann opened a pull request:
https://github.com/apache/flink/pull/1134
[FLINK-2637] [api-breaking] [scala, types] Adds equals and hashCode method
to TypeInformations and TypeSerializers
Adds abstract `equals`, `hashCode`, `canEqual` and `toString` methods to
`TypeInformation`. Adds missing implementations to subtypes. The
`canEqual(Object obj)` method returns true iff the `obj` can be equaled with
the called instance.
Adds abstract `equals`, `hashCode` and `canEqual` methods to
`TypeSerializer`.
Makes `CompositeType` subtypes serializable by removing non-serializable
fields which were only used for the comparator construction. The comparator
construction is now realized within a builder object which keeps the
intermediate state. Consequently, the PR #943 is now obsolete and can be
closed.
Refactors the `ObjectArrayTypeInfo` so that the type extraction logic now
happens within the `TypeExtractor` and no longer in the `TypeInformation`
subtype.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tillrohrmann/flink fixOptionTypeInfo
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/1134.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1134
----
commit 35a18b3f5148ec3fdddc318ea4d5971427fffda3
Author: Till Rohrmann <trohrm...@apache.org>
Date: 2015-09-07T23:12:09Z
[FLINK-2637] [api-breaking] [scala, types] Adds equals and hashCode method
to TypeInformations and TypeSerializers. Fixes ObjectArrayTypeInfo. Makes
CompositeTypes serializable.
Adds test for equality relation's symmetric property
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