[SPARK-32915][SHUFFLE] Create and rename classes in shuffle RPC used for block push operations #30513
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What changes were proposed in this pull request?
This is a follow-up to #29855 according to the comments
In this PR, the following changes are made:
BlockPushingListenerinterface is created specifically for block push, and the existingBlockFetchingListenerinterface is left backward compatible. These 2 interfaces are unified underBlockTransferListenerto enable code reuse.RetryingBlockFetcher,BlockFetchStarter, andRetryingBlockFetchListenerare renamed toRetryingBlockTransferor,BlockTransferStarter, andRetryingBlockTransferListenerrespectively. This makes their names more generic to be reused across both block fetch and push.OneForOneBlockPusherare further clarified to better explain how we handle retries for block push.Why are the changes needed?
To make code cleaner without sacrificing backward compatibility.
Does this PR introduce any user-facing change?
No
How was this patch tested?
Existing unit tests.