Package java.util.concurrent.locks

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

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    this.scheduler = scheduler;
    this.masterService = masterService;

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

    this.proxiedTrackingUrl = generateProxyUriWithScheme(null);
    this.maybeLastAttempt = maybeLastAttempt;
    this.stateMachine = stateMachineFactory.make(this);
  }
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    addService(dispatcher);

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

  @Override
  public void serviceInit(Configuration conf) throws Exception {
    LogHandler logHandler =
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    this.dispatcher = dispatcher;
    this.ref = new LinkedList<ContainerId>();

    ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
    this.readLock = readWriteLock.readLock();
    this.writeLock = readWriteLock.writeLock();

    this.stateMachine = stateMachineFactory.make(this);
  }

  public String toString() {
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    this.credentials = creds;
    this.metrics = metrics;
    user = containerTokenIdentifier.getApplicationSubmitter();
    ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
    this.readLock = readWriteLock.readLock();
    this.writeLock = readWriteLock.writeLock();

    stateMachine = stateMachineFactory.make(this);
  }

  private static final ContainerDoneTransition CONTAINER_DONE_TRANSITION =
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   /**
    * Constructs a new empty set of filenames
    */
   public FileListCacheValue() {
      ReadWriteLock namesLock = new ReentrantReadWriteLock();
      writeLock = namesLock.writeLock();
      readLock = namesLock.readLock();
   }

   /**
    * Initializes a new instance storing the passed values.
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      this.cacheNoRetrieve = (AdvancedCache<FileListCacheKey, FileListCacheValue>) cache.withFlags(Flag.IGNORE_RETURN_VALUES);
      this.indexName = indexName;
      this.fileListCacheKey = new FileListCacheKey(indexName);
      ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true);
      readLock = lock.readLock();
      writeLock = lock.writeLock();
   }

   /**
    * Adds a new fileName in the list of files making up this index
    * @param fileName
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    * @param exclusive if true, a write (exclusive) lock is attempted, otherwise a read (shared) lock is used.
    */
   public void acquireLock(Object key, boolean exclusive) {
      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 + "'");
      }
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   public boolean acquireLock(String key, boolean exclusive, long millis) {
      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);
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    * Releases a lock the caller may be holding. This method is idempotent.
    */
   public void releaseLock(Object key) {
      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 + "'");
      }
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  private final SearchFactoryImplementor searchFactoryImplementor;

  public StatisticsImpl(SearchFactoryImplementor searchFactoryImplementor) {
    ReadWriteLock lock = new ReentrantReadWriteLock();
    readLock = lock.readLock();
    writeLock = lock.writeLock();

    this.searchFactoryImplementor = searchFactoryImplementor;
  }

  @Override
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