Method completeAfterTask

Bolts/src/bolts/Task.java:503–532

Handles the async (i.e. the continuation does return a Task) continuation case, passing the results of the given Task through to the given continuation to get a new Task. The TaskCompletionSource's results are only set when the new Task has completed, unwrapping the results of the task returned by t

(
      final Task<TContinuationResult>.TaskCompletionSource tcs,
      final Continuation<TResult, Task<TContinuationResult>> continuation,
      final Task<TResult> task, final Executor executor)

   *          scheduled on a different thread).
   */
  private static <TContinuationResult, TResult> void completeAfterTask(
      final Task<TContinuationResult>.TaskCompletionSource tcs,
      final Continuation<TResult, Task<TContinuationResult>> continuation,
      final Task<TResult> task, final Executor executor) {
    executor.execute(new Runnable() {
      public void run() {
        try {
          Task<TContinuationResult> result = continuation.then(task);
          if (result == null) {
            tcs.setResult(null);
          } else {
            result.continueWith(new Continuation<TContinuationResult, Void>() {
              public Void then(Task<TContinuationResult> task) {
                if (task.isCancelled()) {
                  tcs.setCancelled();
                } else if (task.isFaulted()) {
                  tcs.setError(task.getError());
                } else {
                  tcs.setResult(task.getResult());
                }
                return null;
              }
            });
          }
        } catch (Exception e) {
          tcs.setError(e);
        }
      }
    });
  }

  private void runContinuations() {
    synchronized (lock) {