GitHub user azagrebin opened a pull request:
https://github.com/apache/flink/pull/6196
[FLINK-9513] Implement TTL state wrappers factory and serializer for value
with TTL
## What is the purpose of the change
This PR introduces a state factory for wrapping state objects with TTL
logic and serialiser of user value with expiration timestamp.
NOTE: This PR is based on #6186 and only last commit makes difference with
it and needs review.
## Brief change log
- abstract state creation in backends with `KeyedStateFactory` interface
- add `TtlStateFactory`
- add `CompositeSerializer`
## Verifying this change
This change is a trivial addition without any test coverage in this PR and
should be covered together with TTL feature activation by final integration and
e2e tests.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: (yes)
- The runtime per-record code paths (performance sensitive): (not yet)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (not yet)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? (yes)
- If yes, how is the feature documented? (not applicable at the moment)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/azagrebin/flink FLINK-9513
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/6196.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 #6196
----
commit 62faa8ee220c21fa824fec690073c27a0a994be5
Author: Andrey Zagrebin <azagrebin@...>
Date: 2018-06-04T15:28:40Z
[FLINK-9514,FLINK-9515,FLINK-9516] State ttl wrappers
commit 74c689e1660d40176b3c131fb0f3f9dcafa33889
Author: Andrey Zagrebin <azagrebin@...>
Date: 2018-06-20T15:05:28Z
Check overflow in expiration timestamp, allow only non-negative TTL
commit 1164aa2a9c4298461eaa44322ef9cefa00b4f0fe
Author: Andrey Zagrebin <azagrebin@...>
Date: 2018-06-21T12:24:04Z
small fixes
commit 1d19d4ac2b73ac83290b4b117b82895c99b51865
Author: Andrey Zagrebin <azagrebin@...>
Date: 2018-06-21T13:13:42Z
Make AbstractTtlState.getSerializedValue() unsupported for now in case of
queryable state
commit 99994dedb9a20244a2addd337617778b17fe8349
Author: Andrey Zagrebin <azagrebin@...>
Date: 2018-06-11T17:34:47Z
[FLINK-9513] Implement TTL state wrappers factory and serializer for value
with TTL
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