PlantUML Web Server

@startuml
hide stereotype
    ''skinparam linetype ortho
    skinparam rectangle {
        roundCorner<<interruptable>> 25
        roundCorner<<start>> 25
        roundCorner<<process>> 10
        
        backgroundColor<<start>> black
    }
    skinparam shadowing false

sprite $interruptzigzag [16x16/16] {
    0000000000000000
    0000000000000000
    0000000000000000
    0000000000000000
    000FFFFFFFFFFF00
    000000000000F000
    00000000000F0000
    0000000000F00000
    000000000F000F00
    00000000F00000F0
    0000000FFFFFFFFF
    00000000000000F0
    0000000000000F00
    0000000000000000
    0000000000000000
    0000000000000000
    }

frame "ad Interruptable Activity Region" {

rectangle " " <<interruptable>> #line.dashed {
            rectangle "Process Order" as process <<process>>
            rectangle "Cancel Request" as cancelreq
    }

rectangle "Close Order" as close <<process>>

rectangle "Cancel Order" as cancel <<process>>

process -right-> close

start -down-> process

close -> end

cancel --> end

cancelreq -> cancel: <$interruptzigzag>

'' layout

cancelreq -[hidden]down-> process

}
@enduml

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