Eliaaazzz opened a new pull request, #38145:
URL: https://github.com/apache/beam/pull/38145
Consolidate the two duplicate `ShardedKey` classes in the Java SDK core
module into a single unified implementation, addressing the confusion and error
risk caused by having overlapping classes with different shard ID types.
**What changed:**
- Removed the deprecated `org.apache.beam.sdk.values.ShardedKey` (int-based
shard) and its companion `org.apache.beam.sdk.coders.ShardedKeyCoder`
- Added `of(K, int)` factory method and `getShardNumber()` accessor to
`org.apache.beam.sdk.util.ShardedKey` so callers using integer shard numbers
migrate without logic changes
- Migrated all consumers across core SDK (WriteFiles, ShardingFunction),
BigQuery IO (BatchLoads, WriteTables, WritePartition, WriteBundlesToFiles,
StreamingWriteTables, GenerateShardedTable), Flink runner, and Spark runner
- Simplified auto-sharded write paths in WriteFiles and BatchLoads that
previously had awkward conversion code between the two ShardedKey types
- Added tests for the new int-based shard methods and coder round-trip
behavior
Fixes #37990
------------------------
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