Package java.util.concurrent.locks

Examples of java.util.concurrent.locks.ReentrantReadWriteLock.readLock()

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      {
         lock.writeLock().unlock();
      }
      else
      {
         lock.readLock().unlock();
      }
   }

   final ReentrantReadWriteLock getLock(Object o)
   {
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      ReentrantReadWriteLock lock = getLock(key);
      if (exclusive) {
         lock.writeLock().lock();
         if (log.isTraceEnabled()) log.trace("WL acquired for '" + key + "'");
      } else {
         lock.readLock().lock();
         if (log.isTraceEnabled()) log.trace("RL acquired for '" + key + "'");
      }
   }

   public boolean acquireLock(String key, boolean exclusive, long millis) {
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      ReentrantReadWriteLock lock = getLock(key);
      try {
         if (exclusive) {
            return lock.writeLock().tryLock(millis, TimeUnit.MILLISECONDS);
         } else {
            return lock.readLock().tryLock(millis, TimeUnit.MILLISECONDS);
         }
      } catch (InterruptedException e) {
         log.warn("Thread insterrupted while trying to acquire lock", e);
         return false;
      }
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      ReentrantReadWriteLock lock = getLock(key);
      if (lock.isWriteLockedByCurrentThread()) {
         lock.writeLock().unlock();
         if (log.isTraceEnabled()) log.trace("WL released for '" + key + "'");
      } else {
         lock.readLock().unlock();
         if (log.isTraceEnabled()) log.trace("RL released for '" + key + "'");
      }
   }

   final ReentrantReadWriteLock getLock(Object o) {
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      ReentrantReadWriteLock lock = getLock(key);
      if (exclusive) {
         lock.writeLock().lock();
         if (log.isTraceEnabled()) log.trace("WL acquired for '" + key + "'");
      } else {
         lock.readLock().lock();
         if (log.isTraceEnabled()) log.trace("RL acquired for '" + key + "'");
      }
   }

   public boolean acquireLock(String key, boolean exclusive, long millis) {
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      ReentrantReadWriteLock lock = getLock(key);
      try {
         if (exclusive) {
            return lock.writeLock().tryLock(millis, TimeUnit.MILLISECONDS);
         } else {
            return lock.readLock().tryLock(millis, TimeUnit.MILLISECONDS);
         }
      } catch (InterruptedException e) {
         log.warn("Thread insterrupted while trying to acquire lock", e);
         return false;
      }
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      ReentrantReadWriteLock lock = getLock(key);
      if (lock.isWriteLockedByCurrentThread()) {
         lock.writeLock().unlock();
         if (log.isTraceEnabled()) log.trace("WL released for '" + key + "'");
      } else {
         lock.readLock().unlock();
         if (log.isTraceEnabled()) log.trace("RL released for '" + key + "'");
      }
   }

   final ReentrantReadWriteLock getLock(Object o) {
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      {
         lock.writeLock().lock();
      }
      else
      {
         lock.readLock().lock();
      }
   }

   /**
    * Releases a lock the caller may be holding. This method is idempotent.
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    } else {
      this.maxAppAttempts = individualMaxAppAttempts;
    }

    ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
    this.readLock = lock.readLock();
    this.writeLock = lock.writeLock();

    this.stateMachine = stateMachineFactory.make(this);
  }
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    this.submissionContext = submissionContext;
    this.scheduler = scheduler;
    this.masterService = masterService;

    ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
    this.readLock = lock.readLock();
    this.writeLock = lock.writeLock();

    this.proxiedTrackingUrl = generateProxyUriWithoutScheme();
   
    this.stateMachine = stateMachineFactory.make(this);
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