79 lines
2.5 KiB
Plaintext
79 lines
2.5 KiB
Plaintext
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@startuml
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package com.iluwatar.promise {
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class App {
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- DEFAULT_URL : String {static}
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- LOGGER : Logger {static}
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- executor : ExecutorService
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- stopLatch : CountDownLatch
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- App()
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- calculateLineCount()
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- calculateLowestFrequencyChar()
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- characterFrequency() : Promise<Map<Character, Integer>>
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- countLines() : Promise<Integer>
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- download(urlString : String) : Promise<String>
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- lowestFrequencyChar() : Promise<Character>
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+ main(args : String[]) {static}
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- promiseUsage()
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- stop()
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- taskCompleted()
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}
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class Promise<T> {
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- exceptionHandler : Consumer<? super Throwable>
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- fulfillmentAction : Runnable
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+ Promise<T>()
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+ fulfill(value : T)
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+ fulfillExceptionally(exception : Exception)
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+ fulfillInAsync(task : Callable<T>, executor : Executor) : Promise<T>
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- handleException(exception : Exception)
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+ onError(exceptionHandler : Consumer<? super Throwable>) : Promise<T>
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- postFulfillment()
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+ thenAccept(action : Consumer<? super T>) : Promise<Void>
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+ thenApply(func : Function<? super T, V>) : Promise<V>
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}
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-class ConsumeAction {
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- action : Consumer<? super T>
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- dest : Promise<Void>
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- src : Promise<T>
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- ConsumeAction(src : Promise<T>, dest : Promise<T>, action : Consumer<T>)
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+ run()
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}
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-class TransformAction<V> {
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- dest : Promise<V>
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- func : Function<? super T, V>
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- src : Promise<T>
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- TransformAction<V>(src : Promise<T>, dest : Promise<T>, func : Function<T, R>)
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+ run()
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}
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~class PromiseSupport<T> {
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- COMPLETED : int {static}
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- FAILED : int {static}
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- LOGGER : Logger {static}
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- RUNNING : int {static}
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- exception : Exception
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- lock : Object
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- state : int
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- value : T
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~ PromiseSupport<T>()
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+ cancel(mayInterruptIfRunning : boolean) : boolean
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~ fulfill(value : T)
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~ fulfillExceptionally(exception : Exception)
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+ get() : T
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+ get(timeout : long, unit : TimeUnit) : T
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+ isCancelled() : boolean
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+ isDone() : boolean
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}
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class Utility {
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- LOGGER : Logger {static}
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+ Utility()
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+ characterFrequency(fileLocation : String) : Map<Character, Integer> {static}
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+ countLines(fileLocation : String) : Integer {static}
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+ downloadFile(urlString : String) : String {static}
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+ lowestFrequencyChar(charFrequency : Map<Character, Integer>) : Character {static}
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}
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}
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TransformAction --+ Promise
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TransformAction --> "-src" Promise
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ConsumeAction --+ Promise
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ConsumeAction --> "-src" Promise
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Promise --|> PromiseSupport
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@enduml
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