state-stored-system1

State stored system

State stored aggregate is using a Decider from domain module to handle commands and produce new state. In order to handle the command, aggregate needs to fetch the current state via fetchState suspending function first. All you have to do is to implement this simple method.

New state will be stored via save() suspending function. All you have to do, is to implement this simple method.

These two functions are producing side effects (persistence), and they are deliberately separated from the decider ( pure domain logic).

Running the application locally

mvn clean install
cd application/state-stored-system1/
mvn spring-boot:run

References and further reading

• https://fraktalio.com/fmodel/

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