Method call

output/java_guava/1.4.16/Futures.java:919–922

Creates the ListenableFuture which will return the result of calling Callable#call in combiner when all futures complete, using the specified executor. If the combiner throws a CancellationException, the returned future will be cancelled. If the combin

(Callable<C> combiner, Executor executor)

     */

    @CanIgnoreReturnValue
    public <C> ListenableFuture<C> call(Callable<C> combiner, Executor executor) {
      return new CombinedFuture<C>(futures, allMustSucceed, executor, combiner);
    }

    /**
     * Like {@link #call(Callable, Executor)} but using {@linkplain MoreExecutors#directExecutor