/**
* Change topology.
*
* @param parent Grid to execute tasks on.
* @param add New nodes count.
* @param rmv Remove nodes count.
* @param type Type of nodes to manipulate.
*/
private static void changeTopology(Ignite parent, int add, int rmv, String type) {
Collection<ComputeTaskFuture<?>> tasks = new ArrayList<>();
IgniteCompute comp = parent.compute().withAsync();
// Start nodes in parallel.
while (add-- > 0) {
comp.execute(ClientStartNodeTask.class, type);
tasks.add(comp.future());
}
for (ComputeTaskFuture<?> task : tasks) task.get();
// Stop nodes in sequence.
while (rmv-- > 0) parent.compute().execute(ClientStopNodeTask.class, type);
// Wait for node stops.
// U.sleep(1000);
Collection<String> gridNames = new ArrayList<>();
for (Ignite g : G.allGrids()) gridNames.add(g.name());
parent.log().info(">>> Available grids: " + gridNames);
}
/** @throws Exception If failed. */
@SuppressWarnings({"AssignmentToCatchBlockParameter"})
public void testCancel() throws Exception {
Ignite ignite = G.ignite(getTestGridName());
ignite
.compute()
.localDeployTask(GridCancelTestTask.class, GridCancelTestTask.class.getClassLoader());
ComputeTaskFuture<?> res0 =
executeAsync(
ignite.compute().withTimeout(maxJobExecTime * 2),
GridCancelTestTask.class.getName(),
null);
try {
Object res = res0.get();
info("Cancel test result: " + res);
synchronized (mux) {
// Every execute must be called.
assert execCnt <= SPLIT_COUNT : "Invalid execute count: " + execCnt;
// Job returns 1 if was cancelled.
assert (Integer) res <= SPLIT_COUNT : "Invalid task result: " + res;
// Should be exactly the same as Jobs number.
assert cancelCnt <= SPLIT_COUNT : "Invalid cancel count: " + cancelCnt;
// One per start and one per stop and some that come with heartbeats.
assert colResolutionCnt > SPLIT_COUNT + 1
: "Invalid collision resolution count: " + colResolutionCnt;
}
} catch (ComputeTaskTimeoutException e) {
error("Task execution got timed out.", e);
} catch (Exception e) {
assert e.getCause() != null;
if (e.getCause() instanceof IgniteCheckedException) e = (Exception) e.getCause();
if (e.getCause() instanceof IOException) e = (Exception) e.getCause();
assert e.getCause() instanceof InterruptedException
: "Invalid exception cause: " + e.getCause();
}
}
/**
* Checks that GridTaskListener is only called once per task.
*
* @throws Exception If failed.
*/
@SuppressWarnings({"BusyWait", "unchecked"})
public void testGridTaskListener() throws Exception {
final AtomicInteger cnt = new AtomicInteger(0);
IgniteInClosure<IgniteFuture<?>> lsnr =
new CI1<IgniteFuture<?>>() {
@Override
public void apply(IgniteFuture<?> fut) {
assert fut != null;
cnt.incrementAndGet();
}
};
Ignite ignite = G.ignite(getTestGridName());
assert ignite != null;
ignite.compute().localDeployTask(TestTask.class, TestTask.class.getClassLoader());
ComputeTaskFuture<?> fut = executeAsync(ignite.compute(), TestTask.class.getName(), null);
fut.listen(lsnr);
fut.get();
while (cnt.get() == 0) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
error("Got interrupted while sleep.", e);
break;
}
}
assert cnt.get() == 1
: "Unexpected GridTaskListener apply count [count=" + cnt.get() + ", expected=1]";
}
/**
* @param gridName Grid name.
* @throws Exception If test failed.
*/
protected void doMultiNodeTest(String gridName) throws Exception {
startLatch = new CountDownLatch(3);
read1Latch = new CountDownLatch(1);
read1FinishedLatch = new CountDownLatch(2);
read2Latch = new CountDownLatch(1);
read2FinishedLatch = new CountDownLatch(2);
read3Latch = new CountDownLatch(1);
read3FinishedLatch = new CountDownLatch(2);
rmvLatch = new CountDownLatch(1);
try {
startGrid(gridName + 1);
Ignite ignite = startGrid(gridName);
ComputeTaskFuture fut =
executeAsync(ignite.compute(), new GridMultiNodeGlobalConsumerTask(), null);
executeAsync(ignite.compute(), GridMultiNodeTestCheckPointTask.class, null)
.get(2 * 60 * 1000);
fut.get();
for (Ignite g : G.allGrids()) {
assert checkCheckpointManager(g)
: "Session IDs got stuck after task completion [grid="
+ g.name()
+ ", sesIds="
+ checkpoints(g).sessionIds()
+ ']';
}
} finally {
stopAllGrids();
}
}