java.util.concurrent.locks.AbstractQueuedSynchronizer Java Examples

The following examples show how to use java.util.concurrent.locks.AbstractQueuedSynchronizer. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source Project: ignite   Author: apache   File: GridCacheLockImpl.java    License: Apache License 2.0 6 votes vote down vote up
/** {@inheritDoc} */
@Override public boolean hasWaiters(IgniteCondition condition) {
    try {
        initializeReentrantLock();

        AbstractQueuedSynchronizer.ConditionObject c = sync.conditionMap.get(condition.name());

        if (c == null)
            throw new IllegalArgumentException();

        return sync.hasWaiters(c);
    }
    catch (IgniteCheckedException e) {
        throw U.convertException(e);
    }
}
 
Example #2
Source Project: ignite   Author: apache   File: GridCacheLockImpl.java    License: Apache License 2.0 6 votes vote down vote up
/** {@inheritDoc} */
@Override public int getWaitQueueLength(IgniteCondition condition) {
    try {
        initializeReentrantLock();

        AbstractQueuedSynchronizer.ConditionObject c = sync.conditionMap.get(condition.name());

        if (c == null)
            throw new IllegalArgumentException();

        return sync.getWaitQueueLength(c);
    }
    catch (IgniteCheckedException e) {
        throw U.convertException(e);
    }
}
 
Example #3
Source Project: openjdk-jdk9   Author: AdoptOpenJDK   File: AbstractQueuedSynchronizerTest.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Spin-waits until sync.isQueued(t) becomes true.
 */
void waitForQueuedThread(AbstractQueuedSynchronizer sync, Thread t) {
    long startTime = System.nanoTime();
    while (!sync.isQueued(t)) {
        if (millisElapsedSince(startTime) > LONG_DELAY_MS)
            throw new AssertionFailedError("timed out");
        Thread.yield();
    }
    assertTrue(t.isAlive());
}
 
Example #4
Source Project: openjdk-jdk9   Author: AdoptOpenJDK   File: AbstractQueuedSynchronizerTest.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Checks that sync has exactly the given queued threads.
 */
void assertHasQueuedThreads(AbstractQueuedSynchronizer sync,
                            Thread... expected) {
    Collection<Thread> actual = sync.getQueuedThreads();
    assertEquals(expected.length > 0, sync.hasQueuedThreads());
    assertEquals(expected.length, sync.getQueueLength());
    assertEquals(expected.length, actual.size());
    assertEquals(expected.length == 0, actual.isEmpty());
    assertEquals(new HashSet<Thread>(actual),
                 new HashSet<Thread>(Arrays.asList(expected)));
}
 
Example #5
Source Project: openjdk-jdk9   Author: AdoptOpenJDK   File: AbstractQueuedSynchronizerTest.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Checks that sync has exactly the given (exclusive) queued threads.
 */
void assertHasExclusiveQueuedThreads(AbstractQueuedSynchronizer sync,
                                     Thread... expected) {
    assertHasQueuedThreads(sync, expected);
    assertEquals(new HashSet<Thread>(sync.getExclusiveQueuedThreads()),
                 new HashSet<Thread>(sync.getQueuedThreads()));
    assertEquals(0, sync.getSharedQueuedThreads().size());
    assertTrue(sync.getSharedQueuedThreads().isEmpty());
}
 
Example #6
Source Project: openjdk-jdk9   Author: AdoptOpenJDK   File: AbstractQueuedSynchronizerTest.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Checks that sync has exactly the given (shared) queued threads.
 */
void assertHasSharedQueuedThreads(AbstractQueuedSynchronizer sync,
                                  Thread... expected) {
    assertHasQueuedThreads(sync, expected);
    assertEquals(new HashSet<Thread>(sync.getSharedQueuedThreads()),
                 new HashSet<Thread>(sync.getQueuedThreads()));
    assertEquals(0, sync.getExclusiveQueuedThreads().size());
    assertTrue(sync.getExclusiveQueuedThreads().isEmpty());
}
 
Example #7
Source Project: j2objc   Author: google   File: AbstractQueuedSynchronizerTest.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Spin-waits until sync.isQueued(t) becomes true.
 */
void waitForQueuedThread(AbstractQueuedSynchronizer sync, Thread t) {
    long startTime = System.nanoTime();
    while (!sync.isQueued(t)) {
        if (millisElapsedSince(startTime) > LONG_DELAY_MS)
            throw new AssertionFailedError("timed out");
        Thread.yield();
    }
    assertTrue(t.isAlive());
}
 
Example #8
Source Project: j2objc   Author: google   File: AbstractQueuedSynchronizerTest.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Checks that sync has exactly the given queued threads.
 */
void assertHasQueuedThreads(AbstractQueuedSynchronizer sync,
                            Thread... expected) {
    Collection<Thread> actual = sync.getQueuedThreads();
    assertEquals(expected.length > 0, sync.hasQueuedThreads());
    assertEquals(expected.length, sync.getQueueLength());
    assertEquals(expected.length, actual.size());
    assertEquals(expected.length == 0, actual.isEmpty());
    assertEquals(new HashSet<Thread>(actual),
                 new HashSet<Thread>(Arrays.asList(expected)));
}
 
Example #9
Source Project: j2objc   Author: google   File: AbstractQueuedSynchronizerTest.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Checks that sync has exactly the given (exclusive) queued threads.
 */
void assertHasExclusiveQueuedThreads(AbstractQueuedSynchronizer sync,
                                     Thread... expected) {
    assertHasQueuedThreads(sync, expected);
    assertEquals(new HashSet<Thread>(sync.getExclusiveQueuedThreads()),
                 new HashSet<Thread>(sync.getQueuedThreads()));
    assertEquals(0, sync.getSharedQueuedThreads().size());
    assertTrue(sync.getSharedQueuedThreads().isEmpty());
}
 
Example #10
Source Project: j2objc   Author: google   File: AbstractQueuedSynchronizerTest.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Checks that sync has exactly the given (shared) queued threads.
 */
void assertHasSharedQueuedThreads(AbstractQueuedSynchronizer sync,
                                  Thread... expected) {
    assertHasQueuedThreads(sync, expected);
    assertEquals(new HashSet<Thread>(sync.getSharedQueuedThreads()),
                 new HashSet<Thread>(sync.getQueuedThreads()));
    assertEquals(0, sync.getExclusiveQueuedThreads().size());
    assertTrue(sync.getExclusiveQueuedThreads().isEmpty());
}