transition-family-outcome-new.keiro

language keiro-dsl 5
context transition-family-outcome

enum ArtifactRejection { InvalidDescription=invalid-description }
enum ArtifactNoOp { DuplicateDescription=duplicate-description }

aggregate ProjectArtifact
  domain-outcomes rejection=ArtifactRejection no-op=ArtifactNoOp
  regs
    description Text = ""
  states Active

  command ObserveDescription { description:Text }
  event DescriptionObserved = fields(ObserveDescription)

  Active -- ObserveDescription -->
    guard cmd.description != reg.description && cmd.description != ""
    write description := cmd.description
    outcome accepted
    emit DescriptionObserved
    goto Active