Devoxx Hackergarten Lambda Project Use Lambdas to create a method that retrieves values in a thread safe way from the JavaFX scene graph

gistfile1.txt

    public static final <T> Future<T> runFuture(Supplier<T> supplier) {
        FutureTask<T> futureTask = new FutureTask<>(() -> supplier.get());
        Platform.runLater(futureTask);
        return futureTask;
    }

    public static final <T> Optional<T> runFutureValue(Supplier<T> supplier) {
        Future<T> runFuture = runFuture(supplier);
        try {
            return Optional.of(runFuture.get());
        } catch (InterruptedException iex) {
            Thread.currentThread().interrupt();
            return Optional.empty();
        } catch(ExecutionException ex) {
            return Optional.empty();
        }
    }