public static void main(String[] args) {
Random rand = new Random(47);
ExecutorService exec = Executors.newCachedThreadPool();
DelayQueue<DelayedTask> queue = new DelayQueue<DelayedTask>();
// Fill with tasks that have random delays:
for (int i = 0; i < 20; i++) queue.put(new DelayedTask(rand.nextInt(5000)));
// Set the stopping point
queue.add(new DelayedTask.EndSentinel(5000, exec));
exec.execute(new DelayedTaskConsumer(queue));
}
/** {@inheritDoc} */
@Override
public void loadCache(GridBiInClosure<K, V> c, @Nullable Object... args) throws GridException {
ExecutorService exec =
new ThreadPoolExecutor(
threadsCnt,
threadsCnt,
0L,
MILLISECONDS,
new ArrayBlockingQueue<Runnable>(batchQueueSize),
new BlockingRejectedExecutionHandler());
Iterator<I> iter = inputIterator(args);
Collection<I> buf = new ArrayList<>(batchSize);
try {
while (iter.hasNext()) {
if (Thread.currentThread().isInterrupted()) {
U.warn(log, "Working thread was interrupted while loading data.");
break;
}
buf.add(iter.next());
if (buf.size() == batchSize) {
exec.submit(new Worker(c, buf, args));
buf = new ArrayList<>(batchSize);
}
}
if (!buf.isEmpty()) exec.submit(new Worker(c, buf, args));
} catch (RejectedExecutionException ignored) {
// Because of custom RejectedExecutionHandler.
assert false : "RejectedExecutionException was thrown while it shouldn't.";
} finally {
exec.shutdown();
try {
exec.awaitTermination(Long.MAX_VALUE, MILLISECONDS);
} catch (InterruptedException ignored) {
U.warn(log, "Working thread was interrupted while waiting for put operations to complete.");
Thread.currentThread().interrupt();
}
}
}
public void run() {
for (DelayedTask pt : sequence) {
printnb(pt.summary() + " ");
}
print();
print(this + " Calling shutdownNow()");
exec.shutdownNow();
}
public static void main(String[] args) {
ExecutorService exec = Executors.newCachedThreadPool();
DelayQueue<Event> queue = new DelayQueue<Event>();
GreenhouseControls gc = new GreenhouseControls(queue);
gc.addEvent(gc.new Bell(900));
Event[] eventList = {
gc.new ThermostatNight(0),
gc.new LightOn(200),
gc.new LightOff(400),
gc.new WaterOn(600),
gc.new WaterOff(800),
gc.new ThermostatDay(1400)
};
gc.addEvent(gc.new Restart(2000, eventList));
if (args.length == 1) gc.addEvent(new GreenhouseControls.Terminate(new Integer(args[0]), exec));
exec.execute(gc);
}
static Future<String> futureOutputOf(final InputStream is) {
return drainers.submit(
new Callable<String>() {
public String call() throws IOException {
return outputOf(is);
}
});
}
static void realMain(String[] args) throws Throwable {
// jmap doesn't work on Windows
if (System.getProperty("os.name").startsWith("Windows")) return;
final String childClassName = Job.class.getName();
final String classToCheckForLeaks = Job.classToCheckForLeaks();
final String uniqueID = String.valueOf(new Random().nextInt(Integer.MAX_VALUE));
final String[] jobCmd = {
java,
"-Xmx8m",
"-classpath",
System.getProperty("test.classes", "."),
childClassName,
uniqueID
};
final Process p = new ProcessBuilder(jobCmd).start();
final String childPid =
match(
commandOutputOf(jps, "-m"),
"(?m)^ *([0-9]+) +\\Q" + childClassName + "\\E *" + uniqueID + "$",
1);
final int n0 = objectsInUse(p, childPid, classToCheckForLeaks);
final int n1 = objectsInUse(p, childPid, classToCheckForLeaks);
equal(p.waitFor(), 0);
equal(p.exitValue(), 0);
failed += p.exitValue();
// Check that no objects were leaked.
System.out.printf("%d -> %d%n", n0, n1);
check(Math.abs(n1 - n0) < 2); // Almost always n0 == n1
check(n1 < 20);
drainers.shutdown();
}
public void run() {
exec.shutdownNow();
}
