Monitor - Code Search

android/guava/src/com/google/common/util/concurrent/Monitor.java

    @Weak final Monitor monitor;
    final Condition condition;

    @GuardedBy("monitor.lock")
    int waiterCount = 0;

    /** The next active guard */
    @GuardedBy("monitor.lock")
    @Nullable Guard next;

    protected Guard(Monitor monitor) {
      this.monitor = checkNotNull(monitor, "monitor");
      this.condition = monitor.lock.newCondition();
    }

    /**

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Wed Jan 28 22:39:02 GMT 2026

- 43.5K bytes

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github.com/google/guava

android/guava-tests/test/com/google/common/util/concurrent/SupplementalMonitorTest.java

  }

  public void testGetWaitQueueLengthWithWrongMonitorThrowsIMSE() {
    Monitor monitor1 = new Monitor();
    Monitor monitor2 = new Monitor();
    FlagGuard guard = new FlagGuard(monitor2);
    assertThrows(IllegalMonitorStateException.class, () -> monitor1.getWaitQueueLength(guard));
  }

  public void testHasWaitersWithWrongMonitorThrowsIMSE() {
    Monitor monitor1 = new Monitor();

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 16 22:45:21 GMT 2026

- 5K bytes

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github.com/google/guava

guava-tests/test/com/google/common/util/concurrent/SupplementalMonitorTest.java

  }

  public void testGetWaitQueueLengthWithWrongMonitorThrowsIMSE() {
    Monitor monitor1 = new Monitor();
    Monitor monitor2 = new Monitor();
    FlagGuard guard = new FlagGuard(monitor2);
    assertThrows(IllegalMonitorStateException.class, () -> monitor1.getWaitQueueLength(guard));
  }

  public void testHasWaitersWithWrongMonitorThrowsIMSE() {
    Monitor monitor1 = new Monitor();

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 16 22:45:21 GMT 2026

- 5K bytes

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github.com/google/guava

guava-tests/benchmark/com/google/common/util/concurrent/MonitorBasedArrayBlockingQueue.java

  public void put(E e) throws InterruptedException {
    checkNotNull(e);
    Monitor monitor = this.monitor;
    monitor.enterWhen(notFull);
    try {
      insert(e);
    } finally {
      monitor.leave();
    }
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable E poll() {
    Monitor monitor = this.monitor;
    if (monitor.enterIf(notEmpty)) {
      try {
        return extract();

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 23 21:06:42 GMT 2026

- 22.4K bytes

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github.com/google/guava

guava-tests/benchmark/com/google/common/util/concurrent/MonitorBasedPriorityBlockingQueue.java

  @Override
  public <T> T[] toArray(T[] a) {
    Monitor monitor = this.monitor;
    monitor.enter();
    try {
      return q.toArray(a);
    } finally {
      monitor.leave();
    }
  }

  @CanIgnoreReturnValue // pushed down from class to method
  @Override
  public String toString() {
    Monitor monitor = this.monitor;
    monitor.enter();
    try {
      return q.toString();

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 23 21:06:42 GMT 2026

- 19K bytes

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github.com/google/guava

android/guava-tests/test/com/google/common/util/concurrent/GeneratedMonitorTest.java

      @Override
      protected void runTest() throws Throwable {
        Monitor monitor1 = new Monitor(fair1);
        Monitor monitor2 = new Monitor(fair2);
        FlagGuard guard = new FlagGuard(monitor2);
        List<Object> arguments = new ArrayList<>();
        arguments.add(guard);
        if (isDurationBased(method)) {

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 16 22:45:21 GMT 2026

- 26.7K bytes

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github.com/google/guava

guava-tests/test/com/google/common/util/concurrent/GeneratedMonitorTest.java

      @Override
      protected void runTest() throws Throwable {
        Monitor monitor1 = new Monitor(fair1);
        Monitor monitor2 = new Monitor(fair2);
        FlagGuard guard = new FlagGuard(monitor2);
        List<Object> arguments = new ArrayList<>();
        arguments.add(guard);
        if (isDurationBased(method)) {

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 16 22:45:21 GMT 2026

- 26.7K bytes

- Click Count (0)

github.com/google/guava

android/guava-tests/benchmark/com/google/common/util/concurrent/MonitorBasedArrayBlockingQueue.java

  public void put(E e) throws InterruptedException {
    checkNotNull(e);
    Monitor monitor = this.monitor;
    monitor.enterWhen(notFull);
    try {
      insert(e);
    } finally {
      monitor.leave();
    }
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable E poll() {
    Monitor monitor = this.monitor;
    if (monitor.enterIf(notEmpty)) {
      try {
        return extract();

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 23 21:06:42 GMT 2026

- 22.4K bytes

- Click Count (0)

github.com/google/guava

guava-tests/test/com/google/common/util/concurrent/MonitorTestCase.java

  protected MonitorTestCase(boolean interruptible) {
    this.interruptible = interruptible;
  }

  @Override
  protected final void setUp() throws Exception {
    boolean fair = new Random().nextBoolean();
    monitor = new Monitor(fair);
    tearDownStack.addTearDown(thread1 = new TestThread<>(monitor, "TestThread #1"));
    tearDownStack.addTearDown(thread2 = new TestThread<>(monitor, "TestThread #2"));
  }

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Sat Mar 07 02:20:33 GMT 2026

- 8.2K bytes

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github.com/google/guava

android/guava-tests/test/com/google/common/util/concurrent/MonitorTestCase.java

  protected MonitorTestCase(boolean interruptible) {
    this.interruptible = interruptible;
  }

  @Override
  protected final void setUp() throws Exception {
    boolean fair = new Random().nextBoolean();
    monitor = new Monitor(fair);
    tearDownStack.addTearDown(thread1 = new TestThread<>(monitor, "TestThread #1"));
    tearDownStack.addTearDown(thread2 = new TestThread<>(monitor, "TestThread #2"));
  }

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Sat Mar 07 02:20:33 GMT 2026

- 8.1K bytes

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