@startuml
package com.iluwatar.event.asynchronous {
  class App {
    - LOGGER : Logger {static}
    + PROP_FILE_NAME : String {static}
    ~ interactiveMode : boolean
    + App()
    + main(args : String[]) {static}
    - processOption1(eventManager : EventManager, s : Scanner)
    - processOption2(eventManager : EventManager, s : Scanner)
    - processOption3(eventManager : EventManager, s : Scanner)
    + quickRun()
    + run()
    + runInteractiveMode()
    + setUp()
  }
  class AsyncEvent {
    - LOGGER : Logger {static}
    - eventId : int
    - eventListener : ThreadCompleteListener
    - eventTime : int
    - isComplete : AtomicBoolean
    - synchronous : boolean
    - thread : Thread
    + AsyncEvent(eventId : int, eventTime : int, synchronous : boolean)
    + addListener(listener : ThreadCompleteListener)
    - completed()
    + isSynchronous() : boolean
    + removeListener()
    + run()
    + start()
    + status()
    + stop()
  }
  interface Event {
    + start() {abstract}
    + status() {abstract}
    + stop() {abstract}
  }
  class EventManager {
    - DOES_NOT_EXIST : String {static}
    + MAX_EVENT_TIME : int {static}
    + MAX_ID : int {static}
    + MAX_RUNNING_EVENTS : int {static}
    + MIN_ID : int {static}
    - currentlyRunningSyncEvent : int
    - eventPool : Map<Integer, AsyncEvent>
    - rand : SecureRandom
    + EventManager()
    + cancel(eventId : int)
    + completedEventHandler(eventId : int)
    + create(eventTime : int) : int
    + createAsync(eventTime : int) : int
    - createEvent(eventTime : int, isSynchronous : boolean) : int
    - generateId() : int
    + getEventPool() : Map<Integer, AsyncEvent>
    + numOfCurrentlyRunningSyncEvent() : int
    + shutdown()
    + start(eventId : int)
    + status(eventId : int)
    + statusOfAllEvents()
  }
  interface ThreadCompleteListener {
    + completedEventHandler(int) {abstract}
  }
}
AsyncEvent -->  "-eventListener" ThreadCompleteListener
AsyncEvent ..|> Event 
EventManager ..|> ThreadCompleteListener 
@enduml