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Confirm

twg_sink_zerobus::confirm

Enum Confirm 

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pub enum Confirm {
    RawAnchor {
        span: OffsetSpan,
    },
    DerivedCoverage {
        span: OffsetSpan,
    },
    None,
}
Expand description

What to do once a burst is durably acknowledged.

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RawAnchor

Primary-raw lane: this span is the recovery anchor. Advancing its coverage is what lets the source position advance (ADR-0038).

Fields

§span: OffsetSpan

The source span the acknowledged records cover.

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DerivedCoverage

Secondary/derived lane: advance this sink’s coverage so recovery knows it no longer needs to replay the span. Never gates the source.

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§span: OffsetSpan

The source span the acknowledged records cover.

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None

Nothing to record for this item (e.g. an internal control batch).

Implementations§

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impl Confirm

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pub fn span(&self) -> Option<&OffsetSpan>

The source span this confirmation covers, if any.

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pub async fn apply(&self, sink: &SinkId, coverage: &dyn CoverageStore)

Apply the confirmation: record durable coverage for sink. Called from the ack lane only after the WAL acknowledgement, so coverage may lag, never lead (ADR-0053).

Trait Implementations§

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impl Clone for Confirm

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fn clone(&self) -> Confirm

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Confirm

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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