Struct ArtifactPreferenceEvent 

pub struct ArtifactPreferenceEvent {
    pub preference_event_uuid: Uuid,
    pub source_uuid: Uuid,
    pub artifact_uuid: Uuid,
    pub prior_artifact_uuid: Option<Uuid>,
    pub reason: String,
    pub provenance_uuid: Uuid,
    pub recorded_at_micros: i64,
    pub contract_version: u32,
}

One append-only preferred-representation event.

Fields

preference_event_uuid: Uuid

Caller-supplied UUIDv7 identity and idempotency key.

source_uuid: Uuid

Parent Source whose preferred representation changed.

artifact_uuid: Uuid

Newly preferred Artifact.

prior_artifact_uuid: Option<Uuid>

Previously preferred Artifact, when known.

reason: String

Bounded human-readable reason; never credentials or raw content.

provenance_uuid: Uuid

Provenance event that published the preference.

recorded_at_micros: i64

Durable transaction time.

contract_version: u32

Frozen record contract.

Implementations

impl ArtifactPreferenceEvent

pub fn new( preference_event_uuid: Uuid, source_uuid: Uuid, artifact_uuid: Uuid, prior_artifact_uuid: Option<Uuid>, reason: String, provenance_uuid: Uuid, recorded_at_micros: i64, ) -> Result<Self, KnowledgeError>

Construct one validated preference event.

Trait Implementations

impl Clone for ArtifactPreferenceEvent

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ArtifactPreferenceEvent

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

Formats the value using the given formatter.

impl Eq for ArtifactPreferenceEvent

impl PartialEq for ArtifactPreferenceEvent

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ArtifactPreferenceEvent