/** @param log Logger. */
private void execute(GridLogger log) {
try {
log.info("Started execute.");
// Countdown shared job latch so that the main thread know that all jobs are
// inside the "execute" routine.
jobLatch.countDown();
log.info("After job latch.");
// Await for the main thread to allow jobs to proceed.
latch.await();
log.info("After latch.");
if (awaitMasterLeaveCallback) {
latch0.await();
log.info("After latch0.");
} else log.info("Latch 0 skipped.");
} catch (InterruptedException e) {
// We do not expect any interruptions here, hence this statement.
fail("Unexpected exception: " + e);
}
}
/** {@inheritDoc} */
@Override
public Serializable reduce(List<GridComputeJobResult> results) throws GridException {
if (log.isInfoEnabled()) log.info("Reducing job [job=" + this + ", results=" + results + ']');
if (results.size() > 1) fail();
return results.get(0).getData();
}
/** {@inheritDoc} */
@Override
protected Collection<? extends GridComputeJob> split(int gridSize, Object arg)
throws GridException {
if (log.isInfoEnabled())
log.info("Splitting job [job=" + this + ", gridSize=" + gridSize + ", arg=" + arg + ']');
Collection<GridComputeJob> jobs = new ArrayList<>(SPLIT_COUNT);
for (int i = 1; i <= SPLIT_COUNT; i++) jobs.add(new GridCancelTestJob(i));
return jobs;
}
/** {@inheritDoc} */
@Override
public Serializable execute() {
int arg = this.<Integer>argument(0);
try {
if (log.isInfoEnabled()) log.info("Executing job [job=" + this + ", arg=" + arg + ']');
startSignal.countDown();
try {
if (!startSignal.await(WAIT_TIME, TimeUnit.MILLISECONDS)) fail();
if (arg == 1) {
if (log.isInfoEnabled()) log.info("Job one is proceeding.");
} else Thread.sleep(WAIT_TIME);
} catch (InterruptedException e) {
if (log.isInfoEnabled())
log.info("Job got cancelled [arg=" + arg + ", ses=" + ses + ", e=" + e + ']');
return 0;
}
if (log.isInfoEnabled()) log.info("Completing job: " + ses);
return argument(0);
} finally {
stopSignal.countDown();
processedCnt++;
}
}
/**
* @param log Logger.
* @param job Actual job.
*/
private void onMasterLeave(GridLogger log, Object job) {
log.info("Callback executed: " + job);
latch0.countDown();
invokeLatch.countDown();
}
