/**
* @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);
}
}
/**
* 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;
}
}