@startuml

package "jmri.jmrix" #DDDDDD {

    interface PortAdapter
    interface SerialPortAdapter
    interface NetworkPortAdapter

    PortAdapter <|-- SerialPortAdapter
    PortAdapter <|-- NetworkPortAdapter

    abstract class AbstractPortController
    PortAdapter <|-- AbstractPortController

    abstract class AbstractSerialPortController
    abstract class AbstractNetworkPortController

    AbstractPortController <|-- AbstractSerialPortController
    AbstractPortController <|-- AbstractNetworkPortController

    SerialPortAdapter <|-- AbstractSerialPortController
    NetworkPortAdapter <|-- AbstractNetworkPortController

}

package "jmri.jmrix.loconet" #DDDDDD {

    AbstractSerialPortController <|-- LnPortController
    AbstractNetworkPortController <|-- LnNetworkPortController
 
}

package "jmri.jmrix.loconet.locobuffer" #DDDDDD {

    LnPortController <|-- LocoBufferAdapter
    SerialPortAdapter <|-- LocoBufferAdapter
 
}


@enduml