Examples of ReentrantLock

EDU.oswego.cs.dl.util.concurrent.ReentrantLock
s.oswego.edu/dl/classes/EDU/oswego/cs/dl/util/concurrent/intro.html"> Introduction to this package. ]
co.paralleluniverse.strands.concurrent.ReentrantLock
public void m() { lock.lock(); // block until condition holds try { // ... method body } finally { lock.unlock() } } }
In addition to implementing the {@link Lock} interface, thisclass defines methods {@code isLocked} and{@code getLockQueueLength}, as well as some associated {@code protected} access methods that may be useful forinstrumentation and monitoring.
Serialization of this class behaves in the same way as built-in locks: a deserialized lock is in the unlocked state, regardless of its state when serialized.
This lock supports a maximum of 2147483647 recursive locks by the same strand. Attempts to exceed this limit result in {@link Error} throws from locking methods. @since 1.5 @author Doug Lea
edu.emory.mathcs.backport.java.util.concurrent.locks.ReentrantLock
public void m() { lock.lock(); // block until condition holds try { // ... method body } finally { lock.unlock() } } }
In addition to implementing the {@link Lock} interface, thisclass defines methods isLocked and getLockQueueLength, as well as some associated protected access methods that may be useful for instrumentation and monitoring.
Serialization of this class behaves in the same way as built-in locks: a deserialized lock is in the unlocked state, regardless of its state when serialized.
This lock supports a maximum of 2147483648 recursive locks by the same thread. @since 1.5 @author Doug Lea @author Dawid Kurzyniec
java.util.concurrent.locks.ReentrantLock
public void m() { lock.lock(); // block until condition holds try { // ... method body } finally { lock.unlock() } } }}
In addition to implementing the {@link Lock} interface, thisclass defines a number of {@code public} and {@code protected}methods for inspecting the state of the lock. Some of these methods are only useful for instrumentation and monitoring.
Serialization of this class behaves in the same way as built-in locks: a deserialized lock is in the unlocked state, regardless of its state when serialized.
This lock supports a maximum of 2147483647 recursive locks by the same thread. Attempts to exceed this limit result in {@link Error} throws from locking methods. @since 1.5 @author Doug Lea
kilim.ReentrantLock
org.apache.openjpa.lib.util.concurrent.ReentrantLock
public void m() { lock.lock(); // block until condition holds try { // ... method body } finally { lock.unlock() } } } In addition to implementing the {@link Lock} interface, thisclass defines methods isLocked and getLockQueueLength, as well as some associated protected access methods that may be useful for instrumentation and monitoring. Serialization of this class behaves in the same way as built-in locks: a deserialized lock is in the unlocked state, regardless of its state when serialized. This lock supports a maximum of 2147483647 recursive locks by the same thread. Attempts to exceed this limit result in {@link Error} throws from locking methods. @author Doug Lea @author Dawid Kurzyniec @since 1.5

Examples of java.util.concurrent.locks.ReentrantLock

   */
  public boolean tryEnterIf(Guard guard) {
    if (guard.monitor != this) {
      throw new IllegalMonitorStateException();
    }
    final ReentrantLock lock = this.lock;
    if (!lock.tryLock()) {
      return false;
    }
    boolean satisfied;
    try {
      satisfied = guard.isSatisfied();
    } catch (Throwable throwable) {
      lock.unlock();
      throw Throwables.propagate(throwable);
    }
    if (satisfied) {
      return true;
    } else {
      lock.unlock();
      return false;
    }
  }

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Examples of java.util.concurrent.locks.ReentrantLock

  /**
   * Leaves this monitor. May be called only by a thread currently occupying this monitor.
   */
  @GuardedBy("lock")
  public void leave() {
    final ReentrantLock lock = this.lock;
    if (!lock.isHeldByCurrentThread()) {
      throw new IllegalMonitorStateException();
    }
    try {
      signalConditionsOfSatisfiedGuards(null);
    } finally {
      lock.unlock();
    }
  }

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Examples of java.util.concurrent.locks.ReentrantLock

   *
   * <p>This never needs to be called by a thread occupying the monitor, because all other monitor
   * methods ensure that all guards are evaluated whenever necessary.
   */
  public void reevaluateGuards() {
    final ReentrantLock lock = this.lock;
    lock.lock();
    try {
      signalConditionsOfSatisfiedGuards(null);
    } finally {
      lock.unlock();
    }
  }

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Examples of java.util.concurrent.locks.ReentrantLock


      // I'm recreating the lock object when we return to the pool
      // because it looks too nasty to expect the connection handle
      // to unlock properly in certain race conditions
      // where the dissociation of the managed connection is "random".
      lock = new ReentrantLock(true);
   }

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Examples of kilim.ReentrantLock

  /**
   * @return
   */
  protected Lock driver_pdl_create() {
    if (pdl == null) {
      pdl = new ReentrantLock();
    }
    return pdl;
  }

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Examples of org.apache.openjpa.lib.util.concurrent.ReentrantLock

        _access = access;
        _dirty = new BitSet(_loaded.length());
        _oid = sm.fetchObjectId();
        _version = sm.getVersion();
        if (multithreaded)
            _lock = new ReentrantLock();
        else
            _lock = null;
    }

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