GitHub user jeyhunkarimov opened a pull request:
https://github.com/apache/kafka/pull/4309
KAFKA-4218: Enable access to key in ValueTransformer and ValueMapper
This PR is the partial implementation for KIP-149. As the discussion for
this KIP is still ongoing, I made a PR on the "safe" portions of the KIP (so
that it can be included in the next release) which are 1) `ValueMapperWithKey`,
2) `ValueTransformerWithKeySupplier`, and 3) `ValueTransformerWithKey`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jeyhunkarimov/kafka KIP-149_hope_last
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/4309.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 #4309
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commit 91c1108c72f2f3b3097dcff3bd2aad237789215e
Author: Jeyhun Karimov <je.kari...@gmail.com>
Date: 2017-12-09T00:56:36Z
Submit the first version of KIP-149
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