Examples with ReadWriteLock java.util.concurrent.locks.ReadWriteLock used on opensource projects

Example 6 with ReadWriteLock

use of java.util.concurrent.locks.ReadWriteLock in project orientdb by orientechnologies.

the class OPartitionedLockManager method acquireExclusiveLock.

public Lock acquireExclusiveLock(int value) {
    final int index = index(value);
    if (useSpinLock) {
        OReadersWriterSpinLock spinLock = spinLocks[index];
        spinLock.acquireWriteLock();
        return new SpinLockWrapper(false, spinLock);
    }
    final ReadWriteLock rwLock = locks[index];
    final Lock lock = rwLock.writeLock();
    lock.lock();
    return lock;
}

Example 7 with ReadWriteLock

use of java.util.concurrent.locks.ReadWriteLock in project orientdb by orientechnologies.

the class OPartitionedLockManager method acquireSharedLock.

public Lock acquireSharedLock(int value) {
    final int index = index(value);
    if (useSpinLock) {
        OReadersWriterSpinLock spinLock = spinLocks[index];
        spinLock.acquireReadLock();
        return new SpinLockWrapper(true, spinLock);
    }
    final ReadWriteLock rwLock = locks[index];
    final Lock lock = rwLock.readLock();
    lock.lock();
    return lock;
}

Example 8 with ReadWriteLock

use of java.util.concurrent.locks.ReadWriteLock in project orientdb by orientechnologies.

the class OPartitionedLockManager method acquireSharedLock.

public Lock acquireSharedLock(long value) {
    final int hashCode = longHashCode(value);
    final int index = index(hashCode);
    if (useSpinLock) {
        OReadersWriterSpinLock spinLock = spinLocks[index];
        spinLock.acquireReadLock();
        return new SpinLockWrapper(true, spinLock);
    }
    final ReadWriteLock rwLock = locks[index];
    final Lock lock = rwLock.readLock();
    lock.lock();
    return lock;
}

Example 9 with ReadWriteLock

use of java.util.concurrent.locks.ReadWriteLock in project orientdb by orientechnologies.

the class OPartitionedLockManager method releaseExclusiveLock.

public void releaseExclusiveLock(final T value) {
    final int index;
    if (value == null)
        index = 0;
    else
        index = index(value.hashCode());
    if (useSpinLock) {
        OReadersWriterSpinLock spinLock = spinLocks[index];
        spinLock.releaseWriteLock();
        return;
    }
    final ReadWriteLock rwLock = locks[index];
    final Lock lock = rwLock.writeLock();
    lock.unlock();
}

Example 10 with ReadWriteLock

use of java.util.concurrent.locks.ReadWriteLock in project orientdb by orientechnologies.

the class OPartitionedLockManager method releaseExclusiveLock.

public void releaseExclusiveLock(final long value) {
    final int hashCode = longHashCode(value);
    final int index = index(hashCode);
    if (useSpinLock) {
        OReadersWriterSpinLock spinLock = spinLocks[index];
        spinLock.releaseWriteLock();
        return;
    }
    final ReadWriteLock rwLock = locks[index];
    final Lock lock = rwLock.writeLock();
    lock.unlock();
}