cqrs_core

Trait AggregateCommand

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pub trait AggregateCommand<A: Aggregate> {
    type Event: AggregateEvent<A>;
    type Events: Events<ProducedEvent<A, Self>>;
    type Error: CqrsError;

    // Required method
    fn execute_on(self, aggregate: &A) -> Result<Self::Events, Self::Error>;
}
Expand description

A command that can be executed against an aggregate.

Required Associated Types§

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type Event: AggregateEvent<A>

The type of event that is produced by this command.

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type Events: Events<ProducedEvent<A, Self>>

The type of the sequence of events generated when the command is executed successfully.

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type Error: CqrsError

The error type.

Required Methods§

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fn execute_on(self, aggregate: &A) -> Result<Self::Events, Self::Error>

Consumes a command, attempting to execute it against the aggregate. If the execution is successful, a sequence of events is generated, which can be applied to the aggregate.

Implementors§