java-design-patterns/observer/etc/observer.urm.puml
2019-12-07 18:03:49 +02:00

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@startuml
package com.iluwatar.observer {
class App {
- LOGGER : Logger {static}
+ App()
+ main(args : String[]) {static}
}
class Hobbits {
- LOGGER : Logger {static}
+ Hobbits()
+ update(currentWeather : WeatherType)
}
class Orcs {
- LOGGER : Logger {static}
+ Orcs()
+ update(currentWeather : WeatherType)
}
class Weather {
- LOGGER : Logger {static}
- currentWeather : WeatherType
- observers : List<WeatherObserver>
+ Weather()
+ addObserver(obs : WeatherObserver)
- notifyObservers()
+ removeObserver(obs : WeatherObserver)
+ timePasses()
}
interface WeatherObserver {
+ update(WeatherType) {abstract}
}
enum WeatherType {
+ COLD {static}
+ RAINY {static}
+ SUNNY {static}
+ WINDY {static}
+ toString() : String
+ valueOf(name : String) : WeatherType {static}
+ values() : WeatherType[] {static}
}
}
package com.iluwatar.observer.generic {
class GHobbits {
- LOGGER : Logger {static}
+ GHobbits()
+ update(weather : GWeather, weatherType : WeatherType)
}
class GOrcs {
- LOGGER : Logger {static}
+ GOrcs()
+ update(weather : GWeather, weatherType : WeatherType)
}
class GWeather {
- LOGGER : Logger {static}
- currentWeather : WeatherType
+ GWeather()
+ timePasses()
}
abstract class Observable<S extends Observable, O extends Observer<S, O, A>, A> {
# observers : List<O extends Observer<S, O, A>>
+ Observable<S extends Observable, O extends Observer<S, O, A>, A>()
+ addObserver(observer : O extends Observer<S, O, A>)
+ notifyObservers(argument : A)
+ removeObserver(observer : O extends Observer<S, O, A>)
}
interface Observer<S extends Observable<S, O, A>, O extends Observer, A> {
+ update(S extends Observable<S, O, A>, A) {abstract}
}
interface Race {
}
}
Weather --> "-currentWeather" WeatherType
GWeather --> "-currentWeather" WeatherType
Weather --> "-observers" WeatherObserver
Hobbits ..|> WeatherObserver
Orcs ..|> WeatherObserver
GHobbits ..|> Race
GOrcs ..|> Race
GWeather --|> Observable
Race --|> Observer
@enduml