コード例 #1
0
  // Given the promises of name and salutation, returns a promise of greeting.
  public Promise<String> getGreeting() {
    Promise<String> p =
        q.all(getSalutation(), getName())
            .then(
                new Continue<String, JSArray<?>>() {

                  // Formats the greeting when salutation and name are delivered.
                  @Override
                  public String call(JSArray<?> value) {
                    return value.get(0) + ", " + value.get(1) + "!";
                  }
                });
    return p;
  }
コード例 #2
0
  // Returns a promise of name by simulating an asynchronous call with a time-out.
  public Promise<String> getName() {
    final Deferred<String> d = q.defer();
    Timer timer =
        new Timer() {

          @Override
          public void run() {
            d.progress(new TimerProgress("Loaded name", this));
            d.resolve("World");
          }
        };
    d.progress(new TimerProgress("Loading name...", timer));
    timer.schedule(500);
    return d.promise();
  }
コード例 #3
0
  // Returns a promise of salutation by simulating an asynchronous call with a time-out.
  public Promise<String> getSalutation() {
    final Deferred<String> d = q.defer();
    Timer timer =
        new Timer() {

          @Override
          public void run() {
            d.progress(new TimerProgress("Loaded salutation", this));
            d.resolve("Hello");
          }
        };
    d.progress(new TimerProgress("Loading salutation...", timer));
    timer.schedule(1000);
    return d.promise();
  }