GitHub user lw-lin opened a pull request:
https://github.com/apache/spark/pull/12638
[SPARK-14874][SQL][Streaming] Cleanup the useless Batch class
## What changes were proposed in this pull request?
The `Batch` class, which had been used to indicate progress in a stream,
was abandoned by [[SPARK-13985][SQL] Deterministic batches with
ids](https://github.com/apache/spark/commit/caea15214571d9b12dcf1553e5c1cc8b83a8ba5b)
and then became useless.
This patch:
- removes the `Batch` class
- renames `getBatch(...)` to `getData(...)` for `Source`:
- before
[SPARK-13985](https://github.com/apache/spark/commit/caea15214571d9b12dcf1553e5c1cc8b83a8ba5b),
it was: get**_NextBatch_**(start: Option[Offset]): **_Option[Batch]_**
- after
[SPARK-13985](https://github.com/apache/spark/commit/caea15214571d9b12dcf1553e5c1cc8b83a8ba5b),
it became: get**_Batch_**(start: Option[Offset], end: Offset): **_DataFrame_**
- proposed in this patch: get**_Data_**(start: Option[Offset], end:
Offset): DataFrame
- renames `addBatch(...)` to `addData(...)` for `Sink`:
- before
[SPARK-13985](https://github.com/apache/spark/commit/caea15214571d9b12dcf1553e5c1cc8b83a8ba5b),
it was: addBatch(**_batch: Batch_**)
- after
[SPARK-13985](https://github.com/apache/spark/commit/caea15214571d9b12dcf1553e5c1cc8b83a8ba5b),
it became: addBatch(batchId: Long, **_data: DataFrame_**)
- proposed in this patch: add**_Data_**(batchId: Long, data: DataFrame)
## How was this patch tested?
The changes should be covered by existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/lw-lin/spark remove-batch
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12638.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 #12638
----
commit c79cba9059b7ac2d6398c81b57ceece50b6b7526
Author: Liwei Lin <lwl...@gmail.com>
Date: 2016-04-23T10:15:51Z
remove the useless Batch class
----
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