OneForOneBlockFetcher

= OneForOneBlockFetcher

OneForOneBlockFetcher is...FIXME

== [[creating-instance]] Creating Instance

OneForOneBlockFetcher takes the following to be created:

• [[client]] TransportClient
• [[appId]] Application ID
• [[execId]] Executor ID
• [[blockIds]] Block IDs
• [[listener]] core:BlockFetchingListener.md[]
• [[transportConf]] network:TransportConf.md[]
• [[downloadFileManager]] DownloadFileManager

OneForOneBlockFetcher is created when storage:NettyBlockTransferService.md#fetchBlocks[NettyBlockTransferService] and storage:ExternalShuffleClient.md#fetchBlocks[ExternalShuffleClient] are requested to fetch blocks.

== [[openMessage]] OpenBlocks Message

OneForOneBlockFetcher creates a OpenBlocks message (for the given <>, <> and <>) when <>.

The OpenBlocks message is posted when OneForOneBlockFetcher is requested to <>.

== [[start]] start Method

[source,java]¶

void start()¶

start...FIXME

start is used when storage:NettyBlockTransferService.md#fetchBlocks[NettyBlockTransferService] and storage:ExternalShuffleClient.md#fetchBlocks[ExternalShuffleClient] are requested to fetch blocks.