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SubscriptionCheckpointManifest

laminar_core::checkpoint::subscription

Struct SubscriptionCheckpointManifest 

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pub struct SubscriptionCheckpointManifest {
    pub protocol_version: SubscriptionProtocolVersion,
    pub distribution_certificate: OutputDistributionCertificate,
    pub stream_generation: StreamGeneration,
    pub epoch: u64,
    pub checkpoint_id: u64,
    pub assignment_certificate: CheckpointAssignmentFence,
    pub schema_fingerprint: SubscriptionDigest,
    pub frontiers: Vec<PartitionFrontier>,
    pub segments: Vec<OutputSegmentRef>,
    pub manifest_digest: SubscriptionDigest,
}
Expand description

Canonical subscription output bound into one whole-cluster checkpoint.

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§protocol_version: SubscriptionProtocolVersion

Exact subscription protocol.

§distribution_certificate: OutputDistributionCertificate

Planner-owned distribution proof.

§stream_generation: StreamGeneration

Durable stream incarnation, repeated for direct validation.

§epoch: u64

Checkpoint epoch.

§checkpoint_id: u64

Checkpoint id; equal to epoch.

§assignment_certificate: CheckpointAssignmentFence

Exact assignment and process-incarnation fence.

§schema_fingerprint: SubscriptionDigest

Fingerprint of the unchanged user output schema.

§frontiers: Vec<PartitionFrontier>

Complete canonical output-partition roster and exclusive frontiers.

§segments: Vec<OutputSegmentRef>

Canonically sorted immutable segment references.

§manifest_digest: SubscriptionDigest

SHA-256 of every preceding field in this manifest.

Implementations§

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impl SubscriptionCheckpointManifest

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pub fn seal(&mut self) -> Result<(), SubscriptionContractError>

Compute and install the canonical manifest digest.

§Errors

Returns the first encoding, binding, roster, range, or size validation failure.

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pub fn validate(&self) -> Result<(), SubscriptionContractError>

Validate canonical shape, exact roster, bindings, and digest.

§Errors

Returns the first malformed, mismatched, discontinuous, or oversized field.

Trait Implementations§

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impl Clone for SubscriptionCheckpointManifest

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fn clone(&self) -> SubscriptionCheckpointManifest

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 SubscriptionCheckpointManifest

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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<'de> Deserialize<'de> for SubscriptionCheckpointManifest

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Eq for SubscriptionCheckpointManifest

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impl PartialEq for SubscriptionCheckpointManifest

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fn eq(&self, other: &SubscriptionCheckpointManifest) -> 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 Serialize for SubscriptionCheckpointManifest

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for SubscriptionCheckpointManifest

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