private static void testOneSlice(
      final String id,
      final NavigableSet<Integer> test,
      final NavigableSet<Integer> canon,
      List<ListenableFuture<?>> results) {
    ListenableFutureTask<?> f =
        ListenableFutureTask.create(
            new Runnable() {

              @Override
              public void run() {
                test(id + " Count", test.size(), canon.size());
                testEqual(id, test.iterator(), canon.iterator());
                testEqual(id + "->DSCI", test.descendingIterator(), canon.descendingIterator());
                testEqual(
                    id + "->DSCS",
                    test.descendingSet().iterator(),
                    canon.descendingSet().iterator());
                testEqual(
                    id + "->DSCS->DSCI",
                    test.descendingSet().descendingIterator(),
                    canon.descendingSet().descendingIterator());
              }
            },
            null);
    results.add(f);
    if (DEBUG) f.run();
    else COMPARE.execute(f);
  }
Example #2
0
  private void loadBitmapAsync(
      String key,
      Resources resources,
      String uri,
      int sampleSize,
      FutureCallback<Bitmap> callback,
      Executor executor) {
    ListenableFutureTask<Bitmap> task;
    boolean isSubmitted = true;
    synchronized (mLock) {
      task = mTasks.get(key);
      if (task == null) {
        task = ListenableFutureTask.create(new LoadCallable(resources, uri, sampleSize));
        mTasks.put(key, task);
        isSubmitted = false;
      }
    }
    if (!isSubmitted) {
      mExecutor.submit(task);
    }

    if (callback != null && executor != null) {
      Futures.addCallback(task, callback, executor);
    }
  }
  public static long timeConsumingOperationOnLargeDataWithoutThreadPool()
      throws ExecutionException, InterruptedException {
    int availableProcessorsAmount = Runtime.getRuntime().availableProcessors();
    List<List<Long>> partitions = splitData(longs(1_000), availableProcessorsAmount);

    List<ListenableFuture<Long>> listenableFutures = new ArrayList<>();

    for (List<Long> partition : partitions) {
      ListenableFutureTask<Long> e = ListenableFutureTask.create(() -> compute(partition));
      e.run();
      listenableFutures.add(e);
    }

    List<Long> longs = Futures.allAsList(listenableFutures).get();

    return sum(longs);
  }
  private static ListenableFutureTask<List<ListenableFuture<?>>> doOneTestInsertions(
      final int upperBound,
      final int maxRunLength,
      final int averageModsPerIteration,
      final int iterations,
      final boolean quickEquality) {
    ListenableFutureTask<List<ListenableFuture<?>>> f =
        ListenableFutureTask.create(
            new Callable<List<ListenableFuture<?>>>() {
              @Override
              public List<ListenableFuture<?>> call() {
                final List<ListenableFuture<?>> r = new ArrayList<>();
                NavigableMap<Integer, Integer> canon = new TreeMap<>();
                Object[] btree = BTree.empty();
                final TreeMap<Integer, Integer> buffer = new TreeMap<>();
                ThreadLocalRandom rnd = ThreadLocalRandom.current();
                for (int i = 0; i < iterations; i++) {
                  buffer.clear();
                  int mods = rnd.nextInt(1, averageModsPerIteration * 2);
                  while (mods > 0) {
                    int v = rnd.nextInt(upperBound);
                    int rc = Math.max(0, Math.min(mods, maxRunLength) - 1);
                    int c = 1 + (rc <= 0 ? 0 : rnd.nextInt(rc));
                    for (int j = 0; j < c; j++) {
                      buffer.put(v, v);
                      v++;
                    }
                    mods -= c;
                  }
                  Timer.Context ctxt;
                  ctxt = TREE_TIMER.time();
                  canon.putAll(buffer);
                  ctxt.stop();
                  ctxt = BTREE_TIMER.time();
                  Object[] next = null;
                  while (next == null)
                    next = BTree.update(btree, naturalOrder(), buffer.keySet(), SPORADIC_ABORT);
                  btree = next;
                  ctxt.stop();

                  if (!BTree.isWellFormed(btree, naturalOrder())) {
                    log("ERROR: Not well formed");
                    throw new AssertionError("Not well formed!");
                  }
                  if (quickEquality)
                    testEqual("", BTree.iterator(btree), canon.keySet().iterator());
                  else r.addAll(testAllSlices("RND", btree, new TreeSet<>(canon.keySet())));
                }
                return r;
              }
            });
    if (DEBUG) f.run();
    else MODIFY.execute(f);
    return f;
  }
 @Override
 protected <T> PrioritizedListenableFutureTask<T> newTaskFor(Runnable runnable, T value) {
   Preconditions.checkArgument(
       allowRegularTasks || runnable instanceof PrioritizedRunnable,
       "task does not implement PrioritizedRunnable");
   return PrioritizedListenableFutureTask.create(
       ListenableFutureTask.create(runnable, value),
       runnable instanceof PrioritizedRunnable
           ? ((PrioritizedRunnable) runnable).getPriority()
           : defaultPriority);
 }
 @Override
 protected <T> PrioritizedListenableFutureTask<T> newTaskFor(Callable<T> callable) {
   Preconditions.checkArgument(
       allowRegularTasks || callable instanceof PrioritizedCallable,
       "task does not implement PrioritizedCallable");
   return PrioritizedListenableFutureTask.create(
       ListenableFutureTask.create(callable),
       callable instanceof PrioritizedCallable
           ? ((PrioritizedCallable) callable).getPriority()
           : defaultPriority);
 }
    public ListenableFuture<?> acquireRequestPermit() {
      long delayNanos = backoff.getBackoffDelayNanos();

      if (delayNanos == 0) {
        return Futures.immediateFuture(null);
      }

      ListenableFutureTask<Object> futureTask = ListenableFutureTask.create(() -> null);
      scheduledExecutor.schedule(futureTask, delayNanos, NANOSECONDS);
      return futureTask;
    }
 public static com.google.common.util.concurrent.ListenableFutureTask<Integer>[]
     populateGuavaFutureArray(int count) {
   Callable<Integer> func =
       () -> {
         return 0;
       };
   com.google.common.util.concurrent.ListenableFutureTask[] array =
       new com.google.common.util.concurrent.ListenableFutureTask[count];
   for (int i = 0; i < count; ++i) {
     array[i] = com.google.common.util.concurrent.ListenableFutureTask.create(func);
   }
   return array;
 }
  public ListenableFuture a(Callable callable) {
    Validate.notNull(callable);
    if (!this.isMainThread()) {
      ListenableFutureTask listenablefuturetask = ListenableFutureTask.create(callable);
      Queue queue = this.i;

      synchronized (this.i) {
        this.i.add(listenablefuturetask);
        return listenablefuturetask;
      }
    } else {
      try {
        return Futures.immediateFuture(callable.call());
      } catch (Exception exception) {
        return Futures.immediateFailedCheckedFuture(exception);
      }
    }
  }
Example #10
0
  public ListenableFuture callFromMainThread(Callable callable) {
    Validate.notNull(callable);

    if (!this.isCallingFromMinecraftThread()) {
      ListenableFutureTask var2 = ListenableFutureTask.create(callable);
      Queue var3 = this.futureTaskQueue;

      synchronized (this.futureTaskQueue) {
        this.futureTaskQueue.add(var2);
        return var2;
      }
    } else {
      try {
        return Futures.immediateFuture(callable.call());
      } catch (Exception var6) {
        return Futures.immediateFailedCheckedFuture(var6);
      }
    }
  }
 public static <V> PrioritizedListenableFutureTask<V> create(
     PrioritizedRunnable task, @Nullable V result) {
   return new PrioritizedListenableFutureTask<>(
       ListenableFutureTask.create(task, result), task.getPriority());
 }
 @Override
 public boolean isDone() {
   return delegate.isDone();
 }
Example #13
0
 protected final ListenableFutureTask newTaskFor(Callable callable) {
   return ListenableFutureTask.create(callable);
 }
 public static <V> PrioritizedListenableFutureTask<?> create(PrioritizedCallable<V> callable) {
   return new PrioritizedListenableFutureTask<>(
       ListenableFutureTask.create(callable), callable.getPriority());
 }
 @Override
 public void run() {
   delegate.run();
 }
Example #16
0
 protected final ListenableFutureTask newTaskFor(Runnable runnable, Object obj) {
   return ListenableFutureTask.create(runnable, obj);
 }
 @Override
 public boolean cancel(boolean mayInterruptIfRunning) {
   return delegate.cancel(mayInterruptIfRunning);
 }
 @Override
 public void addListener(Runnable listener, Executor executor) {
   delegate.addListener(listener, executor);
 }
 @Override
 public V get(long timeout, TimeUnit unit)
     throws InterruptedException, ExecutionException, TimeoutException {
   return delegate.get(timeout, unit);
 }
 @Override
 public V get() throws InterruptedException, ExecutionException {
   return delegate.get();
 }
 @Override
 public boolean isCancelled() {
   return delegate.isCancelled();
 }