/**
* Ensure that {@link GridComputeJobMasterLeaveAware} callback is invoked on job which is
* initiated by master and is currently running on it.
*
* @throws Exception If failed.
*/
public void testLocalJobOnMaster() throws Exception {
invokeLatch = new CountDownLatch(1);
jobLatch = new CountDownLatch(1);
Grid g = startGrid(0);
g.compute().execute(new TestTask(1), null);
jobLatch.await();
// Count down the latch in a separate thread.
new Thread(
new Runnable() {
@Override
public void run() {
try {
U.sleep(500);
} catch (GridInterruptedException ignore) {
// No-op.
}
latch.countDown();
}
})
.start();
stopGrid(0, true);
latch.countDown();
assert invokeLatch.await(5000, MILLISECONDS);
}
/**
* Listen to events that happen only on local node.
*
* @throws GridException If failed.
*/
private static void localListen() throws GridException {
Grid g = GridGain.grid();
// Register event listener for all local task execution events.
g.events()
.localListen(
new GridPredicate<GridEvent>() {
@Override
public boolean apply(GridEvent evt) {
GridTaskEvent taskEvt = (GridTaskEvent) evt;
System.out.println();
System.out.println(
"Git event notification [evt="
+ evt.name()
+ ", taskName="
+ taskEvt.taskName()
+ ']');
return true;
}
},
EVTS_TASK_EXECUTION);
// Generate task events.
g.compute()
.withName("example-event-task")
.run(
new GridRunnable() {
@Override
public void run() {
System.out.println();
System.out.println("Executing sample job.");
}
})
.get();
}