MockRangeLogReader

sink_bench

Struct MockRangeLogReader 

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pub struct MockRangeLogReader {
    pub(crate) upstreams: BoxStream<'static, MessageStreamItem>,
    pub(crate) current_epoch: u64,
    pub(crate) chunk_id: usize,
    pub(crate) throughput_metric: Option<ThroughputMetric>,
    pub(crate) stop_rx: Receiver<()>,
    pub(crate) result_tx: Option<Sender<ThroughputMetric>>,
}

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§upstreams: BoxStream<'static, MessageStreamItem>§current_epoch: u64§chunk_id: usize§throughput_metric: Option<ThroughputMetric>§stop_rx: Receiver<()>§result_tx: Option<Sender<ThroughputMetric>>

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impl MockRangeLogReader

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pub(crate) fn new( mock_source: MockDatagenSource, throughput_metric: ThroughputMetric, stop_rx: Receiver<()>, result_tx: Sender<ThroughputMetric>, ) -> MockRangeLogReader

Trait Implementations§

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impl LogReader for MockRangeLogReader

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async fn init(&mut self) -> LogStoreResult<()>

Initialize the log reader. Usually function as waiting for log writer to be initialized.
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async fn next_item(&mut self) -> LogStoreResult<(u64, LogStoreReadItem)>

Emit the next item. Read more
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fn truncate(&mut self, _offset: TruncateOffset) -> LogStoreResult<()>

Mark that all items emitted so far have been consumed and it is safe to truncate the log from the current offset.
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async fn rewind(&mut self) -> LogStoreResult<()>

Reset the log reader to after the latest truncate offset Read more
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async fn start_from(&mut self, _start_offset: Option<u64>) -> LogStoreResult<()>

Consume log store from given start_offset or aligned start offset recorded previously.

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