@startuml
autonumber
box Buyer
participant b as "Ordering"
box Seller TMF622
participant po as "ProductOrder"
b -> po : POST ProductOrder(category = Delete)
po-->b : 201 Created(acknowledged)
note right: TEQ
po -> b: POST ProductOrderCreateEvent()
po -> b: POST ProductOrderStateChangeEvent(accepted)
note right: QEB
po -> b: POST ProductOrderAttributeValueChangeEvent()
note right: e.g.: expectedCompletionDate
po -> b: POST ProductOrderStateChangeEvent(inProgress)
note right: ABM
po -> b: POST ProductOrderStateChangeEvent(completed)
note right: ERLM
po -> b: POST ProductOrderAttributeValueChangeEvent()
note right: e.g.: productOrderItem/product.terminationDate
po -> b: POST ProductOrderStateChangeEvent(closed)
note right: ENTM
@enduml |