Trait causality::Actor[−][src]

pub trait Actor<C: Cause, E: Effect, Err: Error> {
    type Id;
    type Version;
    fn handle(&self, cause: C) -> Result<Vec<E>, Err>;

    fn apply(&mut self, effects: Vec<E>) -> Result<(), Err>;
}

Entity that handles Causes producing one or more Effects upon success.

Implemented for Root Aggregates or Aggregates in Event Sourcing.

Associated Types

type Id[src]

Unique Id for Actor.

type Version[src]

Version of Actor dependent on Effects applied.

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Required methods

fn handle(&self, cause: C) -> Result<Vec<E>, Err>[src]

Handle Cause returning vector of Effects or error.

fn apply(&mut self, effects: Vec<E>) -> Result<(), Err>[src]

Apply Effects on Actor.

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Implementors

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