/**
* 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]";
}
