/**
   * @param expJobs Expected jobs number.
   * @param taskStarter Task started.
   * @throws Exception If failed.
   */
  private void testMasterLeaveAwareCallback(
      int expJobs, GridClosure<GridProjection, GridFuture<?>> taskStarter) throws Exception {
    jobLatch = new CountDownLatch(expJobs);
    invokeLatch = new CountDownLatch(expJobs);

    for (int i = 0; i < GRID_CNT; i++) startGrid(i);

    int lastGridIdx = GRID_CNT - 1;

    GridFuture<?> fut = taskStarter.apply(grid(lastGridIdx).forPredicate(excludeLastPredicate()));

    jobLatch.await();

    stopGrid(lastGridIdx, true);

    latch.countDown();

    assert invokeLatch.await(5000, MILLISECONDS);

    try {
      fut.get();
    } catch (GridException e) {
      log.debug("Task failed: " + e);
    }
  }
Пример #2
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  /**
   * Performs flush.
   *
   * @throws GridException If failed.
   */
  private void doFlush() throws GridException {
    lastFlushTime = U.currentTimeMillis();

    List<GridFuture> activeFuts0 = null;

    int doneCnt = 0;

    for (GridFuture<?> f : activeFuts) {
      if (!f.isDone()) {
        if (activeFuts0 == null) activeFuts0 = new ArrayList<>((int) (activeFuts.size() * 1.2));

        activeFuts0.add(f);
      } else {
        f.get();

        doneCnt++;
      }
    }

    if (activeFuts0 == null || activeFuts0.isEmpty()) return;

    while (true) {
      Queue<GridFuture<?>> q = null;

      for (Buffer buf : bufMappings.values()) {
        GridFuture<?> flushFut = buf.flush();

        if (flushFut != null) {
          if (q == null) q = new ArrayDeque<>(bufMappings.size() * 2);

          q.add(flushFut);
        }
      }

      if (q != null) {
        assert !q.isEmpty();

        boolean err = false;

        for (GridFuture fut = q.poll(); fut != null; fut = q.poll()) {
          try {
            fut.get();
          } catch (GridException e) {
            if (log.isDebugEnabled()) log.debug("Failed to flush buffer: " + e);

            err = true;
          }
        }

        if (err)
          // Remaps needed - flush buffers.
          continue;
      }

      doneCnt = 0;

      for (int i = 0; i < activeFuts0.size(); i++) {
        GridFuture f = activeFuts0.get(i);

        if (f == null) doneCnt++;
        else if (f.isDone()) {
          f.get();

          doneCnt++;

          activeFuts0.set(i, null);
        } else break;
      }

      if (doneCnt == activeFuts0.size()) return;
    }
  }