Trait causality::Effect

pub trait Effect {
    type Version;
    type Key;
    fn version(&self) -> Self::Version;
    fn key(&self) -> Self::Key;
}

Event produced from Actor handling Cause.

Implemented for events produced by Actors handling Causes.

Expected that Effects are applied to Actors or Aggregates to represent state.

Associated Types

type Version

Schema version use to maintain backwards compatibility.

type Key

Unique key used for idempotency (duplicate detection).

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Required methods

fn version(&self) -> Self::Version

Returns version.

fn key(&self) -> Self::Key

Returns unique key.

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Implementors

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