List of usage examples for java.lang Object notifyAll
@HotSpotIntrinsicCandidate public final native void notifyAll();
From source file:org.openengsb.connector.maven.internal.MavenServiceTest.java
private void makeNotifyAnswerForBuildStart(final Object syncFinish) { doAnswer(new Answer<Void>() { @Override// ww w.j a v a 2s .c o m public Void answer(InvocationOnMock invocation) throws Throwable { synchronized (syncFinish) { syncFinish.notifyAll(); } return null; } }).when(buildEvents).raiseEvent(any(BuildStartEvent.class)); }
From source file:org.rifidi.emulator.reader.command.controller.abstract_.AbstractCommandController.java
/** * Creates a new AbstractCommandController object with passed initial power * and operating states, along with a CommunicationChannel object to send * processed command responses to.//w w w. j ava 2s .c o m * * @param initialPowerState * The initial power state to place this controller in. * @param initialOperatingState * The initial operating state to place this controller in. * @param powerControlSignal * The power control signal for this AbstractCommandController to * observe. If <i>null</i> is passed, this will not observe a * power signal. * @param connectionControlSignal * The connection control signal for this * AbstractCommandController to observe. If <i>null</i> is * passed, this will not observe a connection signal. * @param communication * The Communication which this controller interacts with. */ public AbstractCommandController(CommandControllerPowerState initialPowerState, AbstractCommandControllerOperatingState initialOperatingState, ControlSignal<Boolean> powerControlSignal, ControlSignal<Boolean> connectionControlSignal, Communication communication) { /* Call the AbstractPowerModule's constructor */ super(initialPowerState, powerControlSignal); logger.debug("powerstate: " + initialPowerState); logger.debug("cur power state: " + super.getPowerState()); /* Assign instance variables */ this.initialOperatingState = initialOperatingState; this.curOperatingState = initialOperatingState; this.curCommunication = communication; this.connectionControlSignal = connectionControlSignal; /* Register as connection observer */ if (this.connectionControlSignal != null) { this.connectionControlSignal.addObserver(this); } /* Set wait variables to defaults */ this.suspensionLock = new Object(); this.interrupted = false; this.suspended = false; /* Synchronize on the passed processor's suspension lock */ Object lock = this.getSuspensionLock(); synchronized (lock) { /* Turn on interruption status */ this.setInterrupted(true); /* Notify anything waiting */ lock.notifyAll(); } }
From source file:com.netflix.curator.framework.recipes.queue.TestBoundedDistributedQueue.java
@SuppressWarnings("SynchronizationOnLocalVariableOrMethodParameter") @Test//from ww w. j a v a2s .co m public void testMulti() throws Exception { final String PATH = "/queue"; final int CLIENT_QTY = 4; final int MAX_ITEMS = 10; final int ADD_ITEMS = MAX_ITEMS * 100; final int SLOP_FACTOR = 2; final QueueConsumer<String> consumer = new QueueConsumer<String>() { @Override public void consumeMessage(String message) throws Exception { Thread.sleep(10); } @Override public void stateChanged(CuratorFramework client, ConnectionState newState) { } }; final Timing timing = new Timing(); final ExecutorService executor = Executors.newCachedThreadPool(); ExecutorCompletionService<Void> completionService = new ExecutorCompletionService<Void>(executor); final CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1)); try { client.start(); client.create().forPath(PATH); final CountDownLatch isWaitingLatch = new CountDownLatch(1); final AtomicBoolean isDone = new AtomicBoolean(false); final List<Integer> counts = new CopyOnWriteArrayList<Integer>(); final Object lock = new Object(); executor.submit(new Callable<Void>() { @Override public Void call() throws Exception { Watcher watcher = new Watcher() { @Override public void process(WatchedEvent event) { synchronized (lock) { lock.notifyAll(); } } }; while (!Thread.currentThread().isInterrupted() && client.isStarted() && !isDone.get()) { synchronized (lock) { int size = client.getChildren().usingWatcher(watcher).forPath(PATH).size(); counts.add(size); isWaitingLatch.countDown(); lock.wait(); } } return null; } }); isWaitingLatch.await(); for (int i = 0; i < CLIENT_QTY; ++i) { final int index = i; completionService.submit(new Callable<Void>() { @Override public Void call() throws Exception { CuratorFramework client = null; DistributedQueue<String> queue = null; try { client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1)); client.start(); queue = QueueBuilder.builder(client, consumer, serializer, PATH).executor(executor) .maxItems(MAX_ITEMS).putInBackground(false).lockPath("/locks").buildQueue(); queue.start(); for (int i = 0; i < ADD_ITEMS; ++i) { queue.put("" + index + "-" + i); } } finally { IOUtils.closeQuietly(queue); IOUtils.closeQuietly(client); } return null; } }); } for (int i = 0; i < CLIENT_QTY; ++i) { completionService.take().get(); } isDone.set(true); synchronized (lock) { lock.notifyAll(); } for (int count : counts) { Assert.assertTrue(counts.toString(), count <= (MAX_ITEMS * SLOP_FACTOR)); } } finally { executor.shutdownNow(); IOUtils.closeQuietly(client); } }
From source file:org.apache.hadoop.hdfs.TestAutoEditRollWhenAvatarFailover.java
/** * Test if we can get block locations after killing primary avatar, * failing over to standby avatar (making it the new primary), * restarting a new standby avatar, killing the new primary avatar and * failing over to the restarted standby. * /*from w w w . j a v a 2s . c o m*/ * Write logs for a while to make sure automatic rolling are triggered. */ @Test public void testDoubleFailOverWithAutomaticRoll() throws Exception { setUp(false, "testDoubleFailOverWithAutomaticRoll"); // To make sure it's never the case that both primary and standby // issue rolling, we use a injection handler. final AtomicBoolean startKeepThread = new AtomicBoolean(true); final AtomicInteger countAutoRolled = new AtomicInteger(0); final AtomicBoolean needFail = new AtomicBoolean(false); final AtomicLong currentThreadId = new AtomicLong(-1); final Object waitFor10Rolls = new Object(); InjectionHandler.set(new InjectionHandler() { @Override protected void _processEvent(InjectionEventI event, Object... args) { if (event == InjectionEvent.FSEDIT_AFTER_AUTOMATIC_ROLL) { countAutoRolled.incrementAndGet(); if (countAutoRolled.get() >= 10) { synchronized (waitFor10Rolls) { waitFor10Rolls.notifyAll(); } } if (!startKeepThread.get()) { currentThreadId.set(-1); } else if (currentThreadId.get() == -1) { currentThreadId.set(Thread.currentThread().getId()); } else if (currentThreadId.get() != Thread.currentThread().getId()) { LOG.warn("[Thread " + Thread.currentThread().getId() + "] expected: " + currentThreadId); needFail.set(true); } LOG.info("[Thread " + Thread.currentThread().getId() + "] finish automatic log rolling, count " + countAutoRolled.get()); // Increase the rolling time a little bit once after 7 auto rolls if (countAutoRolled.get() % 7 == 3) { DFSTestUtil.waitNMilliSecond(75); } } } }); FileSystem fs = cluster.getFileSystem(); // Add some transactions during a period of time before failing over. long startTime = System.currentTimeMillis(); for (int i = 0; i < 100; i++) { fs.setTimes(new Path("/"), 0, 0); DFSTestUtil.waitNMilliSecond(100); if (i % 10 == 0) { LOG.info("================== executed " + i + " queries"); } if (countAutoRolled.get() >= 10) { LOG.info("Automatic rolled 10 times."); long duration = System.currentTimeMillis() - startTime; TestCase.assertTrue("Automatic rolled 10 times in just " + duration + " msecs, which is too short", duration > 4500); break; } } TestCase.assertTrue("Only " + countAutoRolled + " automatic rolls triggered, which is lower than expected.", countAutoRolled.get() >= 10); // Tune the rolling timeout temporarily to avoid race conditions // only triggered in tests cluster.getPrimaryAvatar(0).avatar.namesystem.getFSImage().getEditLog().setTimeoutRollEdits(5000); cluster.getStandbyAvatar(0).avatar.namesystem.getFSImage().getEditLog().setTimeoutRollEdits(5000); LOG.info("================== killing primary 1"); cluster.killPrimary(); // Fail over and make sure after fail over, automatic edits roll still // will happen. countAutoRolled.set(0); startKeepThread.set(false); currentThreadId.set(-1); LOG.info("================== failing over 1"); cluster.failOver(); cluster.getPrimaryAvatar(0).avatar.namesystem.getFSImage().getEditLog().setTimeoutRollEdits(1000); LOG.info("================== restarting standby"); cluster.restartStandby(); cluster.getStandbyAvatar(0).avatar.namesystem.getFSImage().getEditLog().setTimeoutRollEdits(1000); LOG.info("================== Finish restarting standby"); // Wait for automatic rolling happens if there is no new transaction. startKeepThread.set(true); startTime = System.currentTimeMillis(); long waitDeadLine = startTime + 20000; synchronized (waitFor10Rolls) { while (System.currentTimeMillis() < waitDeadLine && countAutoRolled.get() < 10) { waitFor10Rolls.wait(waitDeadLine - System.currentTimeMillis()); } } TestCase.assertTrue("Only " + countAutoRolled + " automatic rolls triggered, which is lower than expected.", countAutoRolled.get() >= 10); long duration = System.currentTimeMillis() - startTime; TestCase.assertTrue("Automatic rolled 10 times in just " + duration + " msecs", duration > 9000); // failover back countAutoRolled.set(0); startKeepThread.set(false); currentThreadId.set(-1); cluster.getPrimaryAvatar(0).avatar.namesystem.getFSImage().getEditLog().setTimeoutRollEdits(6000); cluster.getStandbyAvatar(0).avatar.namesystem.getFSImage().getEditLog().setTimeoutRollEdits(6000); LOG.info("================== killing primary 2"); cluster.killPrimary(); LOG.info("================== failing over 2"); cluster.failOver(); cluster.getPrimaryAvatar(0).avatar.namesystem.getFSImage().getEditLog().setTimeoutRollEdits(1000); // Make sure after failover back, automatic rolling can still happen. startKeepThread.set(true); for (int i = 0; i < 100; i++) { fs.setTimes(new Path("/"), 0, 0); DFSTestUtil.waitNMilliSecond(200); if (i % 10 == 0) { LOG.info("================== executed " + i + " queries"); } if (countAutoRolled.get() > 10) { LOG.info("Automatic rolled 10 times."); duration = System.currentTimeMillis() - startTime; TestCase.assertTrue("Automatic rolled 10 times in just " + duration + " msecs, which is too short", duration > 9000); break; } } TestCase.assertTrue("Only " + countAutoRolled + " automatic rolls triggered, which is lower than expected.", countAutoRolled.get() >= 10); InjectionHandler.clear(); if (needFail.get()) { TestCase.fail("Automatic rolling doesn't happen in the same thread when should."); } }
From source file:com.rapleaf.hank.ZkTestCase.java
@Override protected void setUp() throws Exception { super.setUp(); Logger.getLogger("org.apache.zookeeper").setLevel(Level.WARN); setupZkServer();/*from ww w . j a v a 2 s. c o m*/ final Object lock = new Object(); final AtomicBoolean connected = new AtomicBoolean(false); zk = new ZooKeeperPlus("127.0.0.1:" + zkClientPort, 1000000, new Watcher() { @Override public void process(WatchedEvent event) { switch (event.getType()) { case None: if (event.getState() == KeeperState.SyncConnected) { connected.set(true); synchronized (lock) { lock.notifyAll(); } } } LOG.debug(event.toString()); } }); synchronized (lock) { lock.wait(2000); } if (!connected.get()) { fail("timed out waiting for the zk client connection to come online!"); } LOG.debug("session timeout: " + zk.getSessionTimeout()); zk.deleteNodeRecursively(zkRoot); createNodeRecursively(zkRoot); }
From source file:org.openengsb.connector.maven.internal.MavenServiceTest.java
@Test public void asyncBuild_shouldRaiseBuildSuccessEvent() throws Exception { final Object sync = new Object(); mavenService.setSynchronous(false);// ww w .java 2 s. c om mavenService.setProjectPath(getPath("test-unit-success")); mavenService.setCommand("clean compile"); ArgumentCaptor<BuildSuccessEvent> eventCaptor = ArgumentCaptor.forClass(BuildSuccessEvent.class); doAnswer(new Answer<Void>() { @Override public Void answer(InvocationOnMock invocation) throws Throwable { synchronized (sync) { sync.notifyAll(); } return null; } }).when(buildEvents).raiseEvent(eventCaptor.capture()); Thread waitForBuildEnd = startWaiterThread(sync); mavenService.build(); waitForBuildEnd.join(); BuildSuccessEvent event = eventCaptor.getValue(); assertThat(event.getOutput(), containsString("SUCCESS")); }
From source file:edu.umn.msi.tropix.common.test.EasyMockUtilsTest.java
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value = {
"NN" }, justification = "Not actually mutating state.")
@Test(groups = "unit", timeOut = 1000, invocationCount = 10)
public void waitingAnswer() throws InterruptedException {
final Foo foo = EasyMock.createMock(Foo.class);
EasyMock.makeThreadSafe(foo, true);//from w w w . java 2s. co m
final WaitRunnable runnable = new WaitRunnable();
runnable.caller.foo = foo;
final Object object = new Object();
foo.foo();
EasyMock.expectLastCall().andAnswer(EasyMockUtils.waitFor(object));
EasyMock.replay(foo);
new Thread(runnable).start();
assert !runnable.returned;
while (!runnable.returned) {
synchronized (object) { // Renotify in case waiting hasn't occurred yet.
object.notifyAll();
}
Thread.sleep(1);
}
EasyMock.verify(foo);
}
From source file:com.taobao.gecko.service.impl.GeckoHandler.java
private void addConnectionToGroup(final DefaultConnection conn, final String group, final int maxConnCount) { conn.getRemotingContext().addConnectionToGroup(group, conn); // /*from w ww . j a v a2 s.c om*/ final Object readyLock = this.remotingController.getAttribute(group, Constants.GROUP_CONNECTION_READY_LOCK); if (readyLock != null) { // synchronized (readyLock) { if (this.remotingController.getConnectionCount(group) >= maxConnCount) { readyLock.notifyAll(); } } } }
From source file:com.liveramp.hank.test.ZkTestCase.java
@Before public final void setUpZk() throws Exception { setupZkServer();// w ww . j a v a 2 s .com final Object lock = new Object(); final AtomicBoolean connected = new AtomicBoolean(false); zk = new ZooKeeperPlus("127.0.0.1:" + zkClientPort, 1000000, new Watcher() { @Override public void process(WatchedEvent event) { switch (event.getType()) { case None: if (event.getState() == KeeperState.SyncConnected) { connected.set(true); synchronized (lock) { lock.notifyAll(); } } } LOG.debug(event.toString()); } }); synchronized (lock) { lock.wait(2000); } if (!connected.get()) { fail("timed out waiting for the zk client connection to come online!"); } LOG.debug("session timeout: " + zk.getSessionTimeout()); zk.deleteNodeRecursively(zkRoot); WaitUntil.orDie(() -> { try { return zk.exists(zkRoot, false) == null; } catch (KeeperException | InterruptedException e) { throw new RuntimeException(e); } }); createNodeRecursively(zkRoot); }
From source file:com.alibaba.napoli.gecko.service.impl.GeckoHandler.java
private void addConnectionToGroup(final DefaultConnection conn, final String group, final int maxConnCount) { conn.getRemotingContext().addConnectionToGroup(group, conn); // ??/*from www.jav a 2 s.c o m*/ final Object readyLock = this.remotingController.getAttribute(group, Constants.GROUP_CONNECTION_READY_LOCK); if (readyLock != null) { // synchronized (readyLock) { if (this.remotingController.getConnectionCount(group) >= maxConnCount) { readyLock.notifyAll(); } } } }