Class Notify

src/DeferredGroup.java:80–88

    // Callback used to collect results in the order in which they appear.
    final class Notify<T> implements Callback<T, T> {
      public T call(final T arg) {
        recordCompletion(arg);
        return arg;
      }
      public String toString() {
        return "notify DeferredGroup@" + DeferredGroup.super.hashCode();
      }
    };

    // Callback that preserves the original orders of the Deferreds.
    final class NotifyOrdered<T> implements Callback<T, T> {