Package io.simplesource.api

Interface Summary

Interface	Description
Aggregator<E,A>	An Aggregator is a function that builds up an aggregate from a stream of events (effectively a fold function).
CommandAPI<K,C>	The public API for submitting commands against a given aggregate and querying where they have been successfully applied.
CommandHandler<K,C,E,A>	A command handler is responsible for accepting or rejecting commands and turning accepted commands into a list of events by applying the appropriate business logic and validations based on the current state.
InitialValue<K,A>	Provides the initial value of an aggregate.
InvalidSequenceHandler<K,C,A>	This functional for accepting or rejecting commands executed against an out of date view.

Class Summary

Class	Description
CommandAPI.Request<K,C>
CommandError	A CommandError explains failures.
CommandId

Enum Summary

Enum	Description
CommandError.Reason