/** Run the test for the queue parameter. */
public static SynchronizedQueueResult testQueue(QueueAdapter<Integer> queue) {
try {
mQueue = queue;
// Please make sure to keep all the "TODO" comments in the
// code below to make it easy for peer reviewers to find
// them.
// TODO - you fill in here to replace the null
// initialization below to create two Java Threads, one
// that's passed the producerRunnable and the other that's
// passed the consumerRunnable.
Thread consumer = new Thread(consumerRunnable);
Thread producer = new Thread(producerRunnable);
// TODO - you fill in here to start the threads. More
// interesting results will occur if you start the
// consumer first.
producer.start();
consumer.start();
// Give the Threads a chance to run before interrupting
// them.
Thread.sleep(100);
// TODO - you fill in here to interrupt the threads.
producer.interrupt();
consumer.interrupt();
// TODO - you fill in here to wait for the threads to
// exit.
consumer.join();
producer.join();
;
// Do some sanity checking to see if the Threads work as
// expected.
if (consumer == null || producer == null)
return SynchronizedQueueResult.THREADS_NEVER_CREATED;
else if (consumer.isAlive() || producer.isAlive())
return SynchronizedQueueResult.JOIN_NEVER_CALLED;
else if (mConsumerCounter == 0 || mProducerCounter == 0)
return SynchronizedQueueResult.THREADS_NEVER_RAN;
else if (mConsumerCounter == mMaxIterations || mProducerCounter == mMaxIterations)
return SynchronizedQueueResult.THREADS_NEVER_INTERUPTED;
else if (mConsumerCounter == FAILURE_OCCURRED || mProducerCounter == FAILURE_OCCURRED)
return SynchronizedQueueResult.THREADS_THREW_EXCEPTION;
else if (mConsumerCounter == TIMEOUT_OCCURRED || mProducerCounter == TIMEOUT_OCCURRED)
return SynchronizedQueueResult.THREADS_TIMEDOUT;
else return SynchronizedQueueResult.RAN_PROPERLY;
} catch (Exception e) {
return SynchronizedQueueResult.TESTING_LOGIC_THREW_EXCEPTION;
}
}
/**
* Start this server. If we manage an own HttpServer, then the HttpServer will be started as well.
*/
public void start() {
// URL as configured takes precedence
String configUrl =
NetworkUtil.replaceExpression(config.getJolokiaConfig().get(ConfigKey.DISCOVERY_AGENT_URL));
jolokiaHttpHandler.start(
lazy, configUrl != null ? configUrl : url, config.getAuthenticator() != null);
if (httpServer != null) {
// Starting our own server in an own thread group with a fixed name
// so that the cleanup thread can recognize it.
ThreadGroup threadGroup = new ThreadGroup("jolokia");
threadGroup.setDaemon(false);
Thread starterThread =
new Thread(
threadGroup,
new Runnable() {
@Override
public void run() {
httpServer.start();
}
});
starterThread.start();
cleaner = new CleanupThread(httpServer, threadGroup);
cleaner.start();
}
}
public static void main(String[] args) {
ExecutorService executor = Executors.newCachedThreadPool();
CompletionService<String> service = new ExecutorCompletionService<String>(executor);
ReportRequest faceRequest = new ReportRequest("Face", service);
ReportRequest onlineRequest = new ReportRequest("Online", service);
Thread faceThread = new Thread(faceRequest);
Thread onlineThread = new Thread(onlineRequest);
ReportProcessor processor = new ReportProcessor(service);
Thread processThread = new Thread(processor);
System.out.println("Main: Starting the Threads");
faceThread.start();
onlineThread.start();
processThread.start();
try {
System.out.println("Main: Waiting for the report generators.");
faceThread.join();
onlineThread.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("Main: Shutting down the executor.");
executor.shutdown();
try {
executor.awaitTermination(1, TimeUnit.DAYS);
} catch (InterruptedException e) {
e.printStackTrace();
}
processor.setEnd(true);
System.out.println("Main: Ends");
}
public void run() throws Exception {
for (Thread t : searcherThreads) {
t.start();
}
for (Thread t : writerThreads) {
t.start();
}
barrier1.await();
Refresher refresher = new Refresher();
scheduledExecutorService.scheduleWithFixedDelay(
refresher, refreshSchedule.millis(), refreshSchedule.millis(), TimeUnit.MILLISECONDS);
Flusher flusher = new Flusher();
scheduledExecutorService.scheduleWithFixedDelay(
flusher, flushSchedule.millis(), flushSchedule.millis(), TimeUnit.MILLISECONDS);
StopWatch stopWatch = new StopWatch();
stopWatch.start();
barrier2.await();
latch.await();
stopWatch.stop();
System.out.println("Summary");
System.out.println(
" -- Readers ["
+ searcherThreads.length
+ "] with ["
+ searcherIterations
+ "] iterations");
System.out.println(
" -- Writers [" + writerThreads.length + "] with [" + writerIterations + "] iterations");
System.out.println(" -- Took: " + stopWatch.totalTime());
System.out.println(
" -- Refresh [" + refresher.id + "] took: " + refresher.stopWatch.totalTime());
System.out.println(" -- Flush [" + flusher.id + "] took: " + flusher.stopWatch.totalTime());
System.out.println(" -- Store size " + store.estimateSize());
scheduledExecutorService.shutdown();
engine.refresh(new Engine.Refresh(true));
stopWatch = new StopWatch();
stopWatch.start();
Engine.Searcher searcher = engine.searcher();
TopDocs topDocs = searcher.searcher().search(new MatchAllDocsQuery(), idGenerator.get() + 1);
stopWatch.stop();
System.out.println(
" -- Indexed ["
+ idGenerator.get()
+ "] docs, found ["
+ topDocs.totalHits
+ "] hits, took "
+ stopWatch.totalTime());
searcher.release();
}
public static void main(String[] args) throws Exception {
int counter = 0;
while (true) {
Thread outThread = null;
Thread errThread = null;
try {
// org.pitest.mutationtest.instrument.MutationTestUnit#runTestInSeperateProcessForMutationRange
// *** start slave
ServerSocket commSocket = new ServerSocket(0);
int commPort = commSocket.getLocalPort();
System.out.println("commPort = " + commPort);
// org.pitest.mutationtest.execute.MutationTestProcess#start
// - org.pitest.util.CommunicationThread#start
FutureTask<Integer> commFuture = createFuture(commSocket);
// - org.pitest.util.WrappingProcess#start
// - org.pitest.util.JavaProcess#launch
Process slaveProcess = startSlaveProcess(commPort);
outThread = new Thread(new ReadFromInputStream(slaveProcess.getInputStream()), "stdout");
errThread = new Thread(new ReadFromInputStream(slaveProcess.getErrorStream()), "stderr");
outThread.start();
errThread.start();
// *** wait for slave to die
// org.pitest.mutationtest.execute.MutationTestProcess#waitToDie
// - org.pitest.util.CommunicationThread#waitToFinish
System.out.println("waitToFinish");
Integer controlReturned = commFuture.get();
System.out.println("controlReturned = " + controlReturned);
// NOTE: the following won't get called if commFuture.get() fails!
// - org.pitest.util.JavaProcess#destroy
outThread.interrupt(); // org.pitest.util.AbstractMonitor#requestStop
errThread.interrupt(); // org.pitest.util.AbstractMonitor#requestStop
slaveProcess.destroy();
} catch (Exception e) {
e.printStackTrace(System.out);
}
// test: the threads should exit eventually
outThread.join();
errThread.join();
counter++;
System.out.println("try " + counter + ": stdout and stderr threads exited normally");
}
}
@Override
public void subscribe(final Subscriber<? super String> observer) {
observer.onSubscribe(EmptySubscription.INSTANCE);
t =
new Thread(
new Runnable() {
@Override
public void run() {
for (String s : valuesToReturn) {
if (s == null) {
System.out.println("throwing exception");
try {
Thread.sleep(100);
} catch (Throwable e) {
}
observer.onError(new NullPointerException());
return;
} else {
observer.onNext(s);
}
}
System.out.println("subscription complete");
observer.onComplete();
}
});
t.start();
}
public static void main(String[] args) {
CustomScheduler scheduler = new CustomScheduler();
Thread t = new Thread(scheduler);
t.start();
Future<String> result =
scheduler.enqueue(
new Callable<String>() {
@Override
public String call() throws Exception {
Thread.sleep(1500);
int i = 1;
if (1 == i) {
throw new RuntimeException("test");
}
return "ok";
}
});
try {
System.out.println(result.get());
;
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
}
public SegmentCacheManager(MondrianServer server) {
this.server = server;
ACTOR = new Actor();
thread = new Thread(ACTOR, "mondrian.rolap.agg.SegmentCacheManager$ACTOR");
thread.setDaemon(true);
thread.start();
// Create the index registry.
this.indexRegistry = new SegmentCacheIndexRegistry();
// Add a local cache, if needed.
if (!MondrianProperties.instance().DisableCaching.get()) {
final MemorySegmentCache cache = new MemorySegmentCache();
segmentCacheWorkers.add(new SegmentCacheWorker(cache, thread));
}
// Add an external cache, if configured.
final List<SegmentCache> externalCache = SegmentCacheWorker.initCache();
for (SegmentCache cache : externalCache) {
// Create a worker for this external cache
segmentCacheWorkers.add(new SegmentCacheWorker(cache, thread));
// Hook up a listener so it can update
// the segment index.
cache.addListener(new AsyncCacheListener(this, server));
}
compositeCache = new CompositeSegmentCache(segmentCacheWorkers);
}
// Do some simple concurrent testing
public void testConcurrentSimple() throws InterruptedException {
final NonBlockingIdentityHashMap<String, String> nbhm =
new NonBlockingIdentityHashMap<String, String>();
final String[] keys = new String[20000];
for (int i = 0; i < 20000; i++) keys[i] = "k" + i;
// In 2 threads, add & remove even & odd elements concurrently
Thread t1 =
new Thread() {
public void run() {
work_helper(nbhm, "T1", 1, keys);
}
};
t1.start();
work_helper(nbhm, "T0", 0, keys);
t1.join();
// In the end, all members should be removed
StringBuffer buf = new StringBuffer();
buf.append("Should be emptyset but has these elements: {");
boolean found = false;
for (String x : nbhm.keySet()) {
buf.append(" ").append(x);
found = true;
}
if (found) System.out.println(buf + " }");
assertThat("concurrent size=0", nbhm.size(), is(0));
for (String x : nbhm.keySet()) {
assertTrue("No elements so never get here", false);
}
}
private static void testPotato(
Class<? extends Collection> implClazz, Class<? extends List> argClazz) throws Throwable {
try {
System.out.printf("implClazz=%s, argClazz=%s\n", implClazz.getName(), argClazz.getName());
final int iterations = 100000;
final List<Integer> list = (List<Integer>) argClazz.newInstance();
final Integer one = Integer.valueOf(1);
final List<Integer> oneElementList = Collections.singletonList(one);
final Constructor<? extends Collection> constr = implClazz.getConstructor(Collection.class);
final Thread t =
new CheckedThread() {
public void realRun() {
for (int i = 0; i < iterations; i++) {
list.add(one);
list.remove(one);
}
}
};
t.setDaemon(true);
t.start();
for (int i = 0; i < iterations; i++) {
Collection<?> coll = constr.newInstance(list);
Object[] elts = coll.toArray();
check(elts.length == 0 || (elts.length == 1 && elts[0] == one));
}
} catch (Throwable t) {
unexpected(t);
}
}
/** Test for issue #39 */
@Test
public void testIsMapKeyLocked() throws InterruptedException {
HazelcastClient hClient = getHazelcastClient();
final IMap map = hClient.getMap("testIsMapKeyLocked");
assertFalse(map.isLocked("key"));
map.lock("key");
assertTrue(map.isLocked("key"));
final CountDownLatch latch = new CountDownLatch(1);
Thread thread =
new Thread(
new Runnable() {
public void run() {
assertTrue(map.isLocked("key"));
try {
while (map.isLocked("key")) {
Thread.sleep(100);
}
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
latch.countDown();
}
});
thread.start();
Thread.sleep(100);
map.unlock("key");
assertTrue(latch.await(3, TimeUnit.SECONDS));
}
public Integer call() {
count = 0;
try {
File[] files = directory.listFiles();
ArrayList<Future<Integer>> results = new ArrayList<Future<Integer>>();
for (File file : files)
if (file.isDirectory()) {
MatchCounter counter = new MatchCounter(file, keyword);
FutureTask<Integer> task = new FutureTask<Integer>(counter);
results.add(task);
Thread t = new Thread(task);
t.start();
} else {
if (search(file)) count++;
}
for (Future<Integer> result : results)
try {
count += result.get();
} catch (ExecutionException e) {
e.printStackTrace();
}
} catch (InterruptedException e) {
}
return count;
}
/* (non-Javadoc)
* @see net.xeoh.plugins.remotediscovery.impl.v4.probes.AbstractProbe#startup()
*/
@Override
public void startup() {
super.startup();
final Thread thread =
new Thread(
new Runnable() {
@Override
public void run() {
backgroundInit();
}
});
thread.setDaemon(true);
thread.start();
this.timer = new Timer();
this.timer.schedule(
new TimerTask() {
@Override
public void run() {
discoverThread();
}
},
0,
260);
}
public AnimationFrame() {
ArrayComponent comp = new ArrayComponent();
add(comp, BorderLayout.CENTER);
final Sorter sorter = new Sorter(comp);
JButton runButton = new JButton("Run");
runButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
sorter.setRun();
}
});
JButton stepButton = new JButton("Step");
stepButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
sorter.setStep();
}
});
JPanel buttons = new JPanel();
buttons.add(runButton);
buttons.add(stepButton);
add(buttons, BorderLayout.NORTH);
setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
Thread t = new Thread(sorter);
t.start();
}
@Test
public void testBolockingQueue() {
final BlockingQueue<Object> blockingQ = new ArrayBlockingQueue<Object>(10);
Thread thread =
new Thread("consumer thread") {
public void run() {
System.out.println(1);
for (int i = 0; i < 5; i++) {
// Object object = blockingQ.poll(); // 杯具，不等待就会直接返回
Object object = null;
try {
object = blockingQ.take();
System.out.println(i);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(object);
}
}
};
thread.start();
try {
blockingQ.put("111");
} catch (InterruptedException e) {
e.printStackTrace();
}
}
@Test
public void testThreadInterupt() {
Thread thread =
new Thread("interupt") {
public void run() {
for (; ; ) {
try {
foo();
System.out.println(1);
} catch (InterruptedException e) {
e.printStackTrace();
break;
} catch (Exception e) {
e.printStackTrace();
}
// if(Thread.interrupted()){
// System.out.println("iiiiiii");
// break;
// }
}
}
};
thread.start();
System.out.println(thread.getName());
}
protected void startRunner() {
running = true;
runner =
timer_thread_factory != null
? timer_thread_factory.newThread(this, "Timer runner")
: new Thread(this, "Timer runner");
runner.start();
}
@Override
protected void setUp() throws Exception {
tmp = IO.getFile("generated/tmp");
tmp.mkdirs();
IO.copy(IO.getFile("testdata/ws"), tmp);
workspace = Workspace.getWorkspace(tmp);
workspace.refresh();
InfoRepository repo = workspace.getPlugin(InfoRepository.class);
t1 = create("bsn-1", new Version(1, 0, 0));
t2 = create("bsn-2", new Version(1, 0, 0));
repo.put(new FileInputStream(t1), null);
repo.put(new FileInputStream(t2), null);
t1 = repo.get("bsn-1", new Version(1, 0, 0), null);
t2 = repo.get("bsn-2", new Version(1, 0, 0), null);
repo.put(new FileInputStream(IO.getFile("generated/biz.aQute.remote.launcher.jar")), null);
workspace.getPlugins().add(repo);
File storage = IO.getFile("generated/storage-1");
storage.mkdirs();
configuration = new HashMap<String, Object>();
configuration.put(
Constants.FRAMEWORK_STORAGE_CLEAN, Constants.FRAMEWORK_STORAGE_CLEAN_ONFIRSTINIT);
configuration.put(Constants.FRAMEWORK_STORAGE, storage.getAbsolutePath());
configuration.put(
Constants.FRAMEWORK_SYSTEMPACKAGES_EXTRA, "org.osgi.framework.launch;version=1.2");
framework = new org.apache.felix.framework.FrameworkFactory().newFramework(configuration);
framework.init();
framework.start();
context = framework.getBundleContext();
location = "reference:" + IO.getFile("generated/biz.aQute.remote.agent.jar").toURI().toString();
agent = context.installBundle(location);
agent.start();
thread =
new Thread() {
@Override
public void run() {
try {
Main.main(
new String[] {
"-s", "generated/storage", "-c", "generated/cache", "-p", "1090", "-et"
});
} catch (Exception e) {
e.printStackTrace();
}
}
};
thread.setDaemon(true);
thread.start();
super.setUp();
}
public static void main(String[] args) throws Exception {
for (int i = 0; i < 10; i++) {
Thread daemon = new Thread(new SimpleDaemons());
daemon.setDaemon(true); // Must call before start()
daemon.start();
}
print("All daemons started");
TimeUnit.MILLISECONDS.sleep(175);
}
/**
* Testing threads thoroughly seems to be a lot of fun, I am not sure yet how to properly do that.
* This test tests priority order and total sum received is equal to total sum sent. It also
* simulates clients random hanging.
*/
@Test
public void testReceiveData() {
DecorateCheckOrderAndCountSumMarshaller sumAppender =
new DecorateCheckOrderAndCountSumMarshaller();
QueueWorker worker = new QueueWorker(sumAppender);
Thread workerThread = new Thread(worker);
// run 20 clients, 10.000 items will be generated per client as defined in
// src/test/properties/app.properties
for (int i = 0; i < 20; i++) {
Runnable clientHangSimulator = null;
if (i % 5 == 0) {
// simulate occasional client hang for four of the total twenty clients and check worker is
// not biased.
clientHangSimulator =
() -> {
if (ThreadLocalRandom.current().nextInt(1001) % 1000 == 0) {
try {
Thread.sleep(500L);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
};
}
executorService.execute(new DataGeneratorTask(clientHangSimulator));
}
workerThread.start();
try {
barrier.await();
System.out.println("Fired test");
Thread.sleep(1000);
executorService.shutdown();
// runs actually much faster, may need update if item count per client is drastically
// increased in app.properties
executorService.awaitTermination(2 * 60, TimeUnit.SECONDS);
System.out.println("exe service awaited");
} catch (InterruptedException | BrokenBarrierException e) {
e.printStackTrace();
}
try {
workerThread.join(Long.MAX_VALUE);
} catch (InterruptedException e) {
e.printStackTrace();
}
Assert.assertEquals(
"Sum generated does not match sum received",
sumAppender.getSum(),
AppContext.getInstance().getTotalGeneratedAmount());
Assert.assertFalse("Worker didn't exit successfully", workerThread.isAlive());
}
public ContinuousChangesFeed(String dbName, HttpResponse httpResponse) {
this.httpResponse = httpResponse;
try {
reader = new BufferedReader(new InputStreamReader(httpResponse.getContent(), "UTF-8"));
thread.setName(
String.format(
"ektorp-%s-changes-listening-thread-%s", dbName, THREAD_COUNT.getAndIncrement()));
thread.start();
} catch (UnsupportedEncodingException e) {
throw Exceptions.propagate(e);
}
}
@Test
public void testThread() {
Thread thread =
new Thread("aaa") {
public void run() {
System.out.println(this.getName());
}
};
thread.setName("bbb");
// thread.setDaemon(true);
thread.start();
}
void solve() {
Thread tcThread = new Thread(tc);
// System.out.println("starting client thread");
tcThread.start();
try {
tcThread.join();
} catch (Exception e) {
e.printStackTrace();
}
// System.out.println("joined client thread");
result = SudokuSolver.solve(tc.testcase);
success = SudokuSolver.isLegalSolution(result, tc.testcase);
}
public void stackLeakByThread() {
while (true) {
Thread thread =
new Thread(
new Runnable() {
@Override
public void run() {
dontStop();
}
});
thread.start();
}
}
/*
* Launches against the agent
*/
public void testSimpleLauncher() throws Exception {
Project project = workspace.getProject("p1");
Run bndrun = new Run(workspace, project.getBase(), project.getFile("one.bndrun"));
bndrun.setProperty("-runpath", "biz.aQute.remote.launcher");
bndrun.setProperty("-runbundles", "bsn-1,bsn-2");
bndrun.setProperty("-runremote", "test");
final RemoteProjectLauncherPlugin pl =
(RemoteProjectLauncherPlugin) bndrun.getProjectLauncher();
pl.prepare();
final CountDownLatch latch = new CountDownLatch(1);
final AtomicInteger exitCode = new AtomicInteger(-1);
List<? extends RunSession> sessions = pl.getRunSessions();
assertEquals(1, sessions.size());
final RunSession session = sessions.get(0);
Thread t =
new Thread("test-launch") {
public void run() {
try {
exitCode.set(session.launch());
} catch (Exception e) {
e.printStackTrace();
} finally {
latch.countDown();
}
}
};
t.start();
Thread.sleep(500);
for (Bundle b : context.getBundles()) {
System.out.println(b.getLocation());
}
assertEquals(4, context.getBundles().length);
String p1 = t1.getAbsolutePath();
System.out.println(p1);
assertNotNull(context.getBundle(p1));
assertNotNull(context.getBundle(t2.getAbsolutePath()));
pl.cancel();
latch.await();
assertEquals(-3, exitCode.get());
bndrun.close();
}
public void executeWithLowPriorityInOwnThreadAndWait(Runnable runnable) {
Thread thread = new Thread(runnable);
thread.setPriority(Thread.MIN_PRIORITY);
thread.start();
while (true) {
try {
thread.join();
return;
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
@Test
public void testBlockingQL() {
final BlockingQL ql = new BlockingQL();
final AtomicInteger c = new AtomicInteger(0);
Thread thread =
new Thread("producer thread") {
public void run() {
System.out.println("producer");
for (; ; ) {
try {
System.out.println(this.getName() + "produce");
ql.offer("aaa" + c.incrementAndGet());
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
};
Thread thread1 =
new Thread("consumer thread") {
public void run() {
System.out.println("consumer");
for (; ; ) {
try {
Object o = ql.take();
System.out.println(this.getName() + " consume " + o);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
};
thread1.start();
thread.start();
}
@Override
public void subscribe(final Subscriber<? super String> observer) {
observer.onSubscribe(EmptySubscription.INSTANCE);
t =
new Thread(
new Runnable() {
@Override
public void run() {
observer.onNext("hello");
observer.onComplete();
}
});
t.start();
}
public ThreadBoundExecutorImpl(
ThreadBoundEventProcessor eventProcessor,
int maxBatchSize,
ThreadFactory threadFactory,
int numberOfThreads) {
this.threadFactory = threadFactory;
LOG.info(
format(
"Initializing (LinkedBlockingQueue)ThreadBoundExecutor[%s]", threadFactory.toString()));
for (int i = 0; i < numberOfThreads; i++) {
BlockingQueue<ThreadBoundEvent> queue = new LinkedBlockingQueue<>();
Thread t = threadFactory.newThread(new Consumer(queue, eventProcessor, maxBatchSize));
queues.add(queue);
t.start();
}
}
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.print("Enter base directory (e.g. /usr/local/jdk5.0/src): ");
String directory = in.nextLine();
System.out.print("Enter keyword (e.g. volatile): ");
String keyword = in.nextLine();
MatchCounter counter = new MatchCounter(new File(directory), keyword);
FutureTask<Integer> task = new FutureTask<Integer>(counter);
Thread t = new Thread(task);
t.start();
try {
System.out.println(task.get() + " matching files.");
} catch (ExecutionException e) {
e.printStackTrace();
} catch (InterruptedException e) {
}
}
