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CoordinatedCommitBatch

laminar_connectors::connector

Struct CoordinatedCommitBatch 

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pub struct CoordinatedCommitBatch {
    pub namespace: CoordinatedCommitNamespace,
    pub expected_predecessor: CoordinatedCommitCursor,
    pub fencing_token: u64,
    pub target: CheckpointAttempt,
    pub entries: Vec<CoordinatedCommitPayload>,
}
Expand description

Exact batch submitted to a designated external-sink committer.

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§namespace: CoordinatedCommitNamespace

External cursor namespace.

§expected_predecessor: CoordinatedCommitCursor

Exact external cursor that must precede this batch. The zero cursor names an empty target. A different authority at the predecessor checkpoint is a conflicting history and must fail closed.

§fencing_token: u64

Non-zero authority token that the external commit must persist atomically.

§target: CheckpointAttempt

Highest exact attempt atomically covered by this commit.

§entries: Vec<CoordinatedCommitPayload>

Every sealed participant marker through target, including empty ones.

Implementations§

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impl CoordinatedCommitBatch

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pub fn exact_fingerprint(&self) -> [u8; 32]

Collision-resistant identity for one exact ordered publication cut. Every variable-length field is length framed so distinct batches cannot share an input byte stream before hashing.

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pub fn validate_shape(&self) -> Result<(), String>

Validate canonical attempt/participant order and all fixed control-plane bounds. This check is independent of external state and must run before connector I/O.

§Errors

Returns a diagnostic when the batch is malformed or exceeds a fixed bound.

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pub fn validate_observed_cursor( &self, observed: Option<CoordinatedCommitCursor>, ) -> Result<(), String>

Validate a cursor freshly read from the external target against this exact batch. Advancing overlap is safe only at an attempt named by the batch; rollback or an unproven gap would skip output.

§Errors

Returns a diagnostic when the batch is malformed, the observed cursor proves rollback, or an overlap cannot be tied to an exact batch entry.

Trait Implementations§

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impl Clone for CoordinatedCommitBatch

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fn clone(&self) -> CoordinatedCommitBatch

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

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

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

Formats the value using the given formatter. Read more
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impl Eq for CoordinatedCommitBatch

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impl PartialEq for CoordinatedCommitBatch

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fn eq(&self, other: &CoordinatedCommitBatch) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for CoordinatedCommitBatch

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