[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:
BlockPushingListener
interface is created specifically for block push, and the existingBlockFetchingListener
interface is left backward compatible. These 2 interfaces are unified underBlockTransferListener
to enable code reuse.RetryingBlockFetcher
,BlockFetchStarter
, andRetryingBlockFetchListener
are renamed toRetryingBlockTransferor
,BlockTransferStarter
, andRetryingBlockTransferListener
respectively. This makes their names more generic to be reused across both block fetch and push.OneForOneBlockPusher
are 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.