@startuml

alt "Deploying the instance"
  Rest -> "ACM Runtime": Deploy triggered by the user
  activate "ACM Runtime"
  "ACM Runtime" -> "Participant-intermediary" : [ASYNC] Deploying the instance
  deactivate  "ACM Runtime"

  activate "Participant-intermediary"
  activate Participant
  "Participant-intermediary" -> Participant : Create Deploy thread
  deactivate "Participant-intermediary"
  note right
  Deploy thread is stuck
  end note
end

alt "Instance in Timeout"
  activate "ACM Runtime"
  "ACM Runtime" -> "ACM Runtime" : set instance in Timeout
  deactivate  "ACM Runtime"
end

alt "Undeploying the instance"
  Rest -> "ACM Runtime": Undeploy triggered by the user
  activate "ACM Runtime"
  activate "Participant-intermediary"
  "ACM Runtime" -> "Participant-intermediary" : [ASYNC] Undeploying the instance
  deactivate  "ACM Runtime"
  "Participant-intermediary" -> Participant : Terminate Deploy thread
  deactivate Participant
  "Participant-intermediary" -> Participant : Create Undeploy thread
  activate Participant
  deactivate "Participant-intermediary"
  Participant -> "Participant-intermediary" : instance Undeployed
  activate "Participant-intermediary"
  deactivate Participant
  "Participant-intermediary" -> "ACM Runtime" : [ASYNC] instance Undeployed
  deactivate "Participant-intermediary"
end

@enduml