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RecoveryRound

laminar_core::cluster::control::controller

Struct RecoveryRound 

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pub struct RecoveryRound {
    pub id: RecoveryRoundId,
    pub leader_proof: LeaderProof,
    pub assignment_fence: CheckpointAssignmentFence,
    pub evidence_participants: Vec<CheckpointParticipant>,
    pub faults: Vec<RecoveryFault>,
    /* private fields */
}
Expand description

Frozen recovery round, assignment certificate, and durable driver term.

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§id: RecoveryRoundId

Unique round identity.

§leader_proof: LeaderProof

Exact durable leader term that created and may advance this round.

§assignment_fence: CheckpointAssignmentFence

Exact owner-complete assignment cut from which the quorum was frozen.

§evidence_participants: Vec<CheckpointParticipant>

Exact non-owner processes whose fault evidence must be inventoried before recovery starts.

These participants stop and report Prepared checkpoint evidence, but do not join the assignment-owner restore or release quorum.

§faults: Vec<RecoveryFault>

Canonical nonzero fault reports covered by this round’s terminal Release.

Implementations§

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impl RecoveryRound

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pub fn new( generation: u64, leader_proof: LeaderProof, assignment_fence: CheckpointAssignmentFence, evidence_participants: Vec<CheckpointParticipant>, fault_revision: u64, faults: Vec<RecoveryFault>, ) -> Result<Self, String>

Construct a fresh uniquely identified recovery round.

§Errors

Returns an error when the generation, leader proof, or assignment certificate is invalid.

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pub fn contains_owner(&self, node: NodeId) -> bool

Whether node belongs to the immutable assignment-owner quorum.

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pub fn owners(&self) -> Vec<NodeId>

Frozen assignment owners as runtime node identifiers.

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pub fn contains_stopped_participant(&self, node: NodeId) -> bool

Whether node must stop and report evidence for this round.

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pub fn stopped_participants(&self) -> Vec<NodeId>

Frozen stopped roster as sorted runtime node identifiers.

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pub fn fault_sequence(&self, node: NodeId) -> Option<u64>

Exact fault sequence this round covers for node.

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pub const fn fault_revision(&self) -> u64

Exact shared-authority fault inventory revision frozen into this round.

Trait Implementations§

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impl Clone for RecoveryRound

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fn clone(&self) -> RecoveryRound

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 RecoveryRound

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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 RecoveryRound

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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 RecoveryRound

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impl PartialEq for RecoveryRound

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fn eq(&self, other: &RecoveryRound) -> 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 RecoveryRound

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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 RecoveryRound

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