Examples of java.util.concurrent.locks.Lock.newCondition()

java.util.concurrent.locks.Lock.newCondition()
Returns a new {@link Condition} instance that is bound to this{@code Lock} instance.
Before waiting on the condition the lock must be held by the current thread. A call to {@link Condition#await()} will atomically release the lockbefore waiting and re-acquire the lock before the wait returns.
Implementation Considerations
The exact operation of the {@link Condition} instance depends onthe {@code Lock} implementation and must be documented by thatimplementation. @return A new {@link Condition} instance for this {@code Lock} instance @throws UnsupportedOperationException if this {@code Lock}implementation does not support conditions




    public void testAwaitWakeup() throws InterruptedException {


        Lock      lck = new ReentrantLock();
        Condition cnd = lck.newCondition();
        WaitingThread wt = new WaitingThread(cnd, null);


        AwaitThread ath = new AwaitThread(wt, lck, null);
        ath.start();
        Thread.sleep(100); // give extra thread time to block

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    public void testInterrupt() throws InterruptedException {


        Lock      lck = new ReentrantLock();
        Condition cnd = lck.newCondition();
        WaitingThread wt = new WaitingThread(cnd, null);


        AwaitThread ath = new AwaitThread(wt, lck, null);
        ath.start();
        Thread.sleep(100); // give extra thread time to block

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    public void testIllegal() throws InterruptedException {


        Lock      lck = new ReentrantLock();
        Condition cnd = lck.newCondition();
        WaitingThread wt = new WaitingThread(cnd, null);


        try {
            lck.lock();
            wt.wakeup();

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        workqueue = new AutomaticWorkQueueImpl(UNBOUNDED_MAX_QUEUE_SIZE, INITIAL_SIZE,
                                               UNBOUNDED_HIGH_WATER_MARK,
                                               UNBOUNDED_LOW_WATER_MARK,
                                               DEFAULT_DEQUEUE_TIMEOUT);
        final Lock runLock = new ReentrantLock();
        final Condition runCondition = runLock.newCondition();
        long start = System.currentTimeMillis();
        Runnable doNothing = new Runnable() {
            public void run() {
                runLock.lock();
                try {

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    }
    AtomicBoolean txnFail = new AtomicBoolean(false);
    AtomicInteger callbacksReceived = new AtomicInteger(0);
    AtomicInteger callbacksExpected = new AtomicInteger(0);
    final Lock lock = new ReentrantLock();
    final Condition condition = lock.newCondition();
    /*
     * Callbacks can be reused per transaction, since they share the same
     * locks and conditions.
     */
    Callback<Object, Object> putSuccessCallback =

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        workqueue = new AutomaticWorkQueueImpl(UNBOUNDED_MAX_QUEUE_SIZE, INITIAL_SIZE,
                                               UNBOUNDED_HIGH_WATER_MARK,
                                               UNBOUNDED_LOW_WATER_MARK,
                                               DEFAULT_DEQUEUE_TIMEOUT);
        final Lock runLock = new ReentrantLock();
        final Condition runCondition = runLock.newCondition();
        long start = System.currentTimeMillis();
        Runnable doNothing = new Runnable() {
            public void run() {
                runLock.lock();
                try {

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        } catch (IllegalArgumentException iax) {
            // expected
        }


        Lock      lck = new ReentrantLock();
        Condition cnd = lck.newCondition();


        WaitingThread wt = new WaitingThread(cnd, null);
        Assert.assertEquals("wrong condition", cnd, wt.getCondition());
        Assert.assertNull  ("pool from nowhere", wt.getPool());
        Assert.assertNull  ("thread from nowhere", wt.getThread());

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    @Test
    public void testAwaitWakeup() throws InterruptedException {


        Lock      lck = new ReentrantLock();
        Condition cnd = lck.newCondition();
        WaitingThread wt = new WaitingThread(cnd, null);


        AwaitThread ath = new AwaitThread(wt, lck, null);
        ath.start();
        Thread.sleep(100); // give extra thread time to block

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    @Test
    public void testInterrupt() throws InterruptedException {


        Lock      lck = new ReentrantLock();
        Condition cnd = lck.newCondition();
        WaitingThread wt = new WaitingThread(cnd, null);


        AwaitThread ath = new AwaitThread(wt, lck, null);
        ath.start();
        Thread.sleep(100); // give extra thread time to block

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    @Test
    public void testIllegal() throws InterruptedException {


        Lock      lck = new ReentrantLock();
        Condition cnd = lck.newCondition();
        WaitingThread wt = new WaitingThread(cnd, null);


        try {
            lck.lock();
            wt.wakeup();

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