Trait Effect 

pub trait Effect {
    type Version;
    type Key;

    // Required methods
    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.

Required Associated Types

type Version

Schema version use to maintain backwards compatibility.

type Key

Unique key used for idempotency (duplicate detection).

Required Methods

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

Returns version.

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

Returns unique key.

Implementors