Package java.util.concurrent.locks

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

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        locks = new Lock[capacity];
        for(int j = 0; j < locks.length; j++) {
            locks[j] = new ReentrantLock();
        }
        ReadWriteLock rwLock = new ReentrantReadWriteLock();
        readLock = rwLock.readLock();
        writeLock = rwLock.writeLock();
    }

    /**
     * double the set size
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        final List<Pair<String, Lock>> localExecResources = new ArrayList<Pair<String, Lock>>(_relativePaths.size());

        int totalLocked = 0;
        for(String path : _relativePaths) {
            ReadWriteLock lock = lockManager.obtainLock(path);
            final Lock rlock = lock.readLock();
            if(rlock.tryLock()) {
                localExecResources.add(new Pair<String, Lock>(path, rlock));
            } else {
                totalLocked++;
                final byte[] k = StringUtils.getBytes(path);
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        final List<Pair<String, Lock>> localExecResources = new ArrayList<Pair<String, Lock>>(relativePaths.size());

        int totalLocked = 0;
        for(String path : relativePaths) {
            ReadWriteLock lock = lockManager.obtainLock(path);
            final Lock rlock = lock.readLock();
            if(rlock.tryLock()) {
                localExecResources.add(new Pair<String, Lock>(path, rlock));
            } else {
                totalLocked++;
                final List<GridNode> replicatedNodes;
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            throw new NullPointerException("lifecycleManagerRegistry"); //$NON-NLS-1$
        }
        this.lifecycleManagerRegistry = lifecycleManagerRegistry;
        this.cacheByClass = new HashMap<Class<?>, ResourceRecord>();
        ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
        readersLock = readWriteLock.readLock();
        writersLock = readWriteLock.writeLock();

        if (customProperties == null) {
            customProperties = new Properties();
        }
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    // _lock = new Lock("block:" + store.getName() + ":" + Long.toHexString(_blockId));
    // ReadWriteLock rwLock = new ReentrantReadWriteLock();
    ReadWriteLock rwLock = new ReentrantReadWriteLock();
   
    _readLock = rwLock.readLock();
    _writeLock = rwLock.writeLock();

    _isFlushDirtyOnCommit = _store.isFlushDirtyBlocksOnCommit();

    _buffer = allocateBuffer();
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   * @param key The key to lock
   * @param timeout in milliseconds; -1 means wait indefinitely, 0 means no wait.
   */
  public void readLock(EntityKey key, int timeout) {
    ReadWriteLock lock = getLock( key );
    Lock readLock = lock.readLock();
    acquireLock( key, timeout, readLock );
  }

  private ReadWriteLock getLock(EntityKey key) {
    ReadWriteLock newLock = new ReentrantReadWriteLock();
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    this.newApiCommitter = newApiCommitter;

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

    this.jobCredentials = jobCredentials;
    this.jobTokenSecretManager = jobTokenSecretManager;
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    // Initialize reportedStatus
    reportedStatus = new TaskAttemptStatus();
    initTaskAttemptStatus(reportedStatus);

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

    this.credentials = credentials;
    this.jobToken = jobToken;
    this.eventHandler = eventHandler;
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            throw new NullPointerException("lifecycleManagerRegistry");
        }
        this.lifecycleManagerRegistry = lifecycleManagerRegistry;
        this.cacheByClass = new HashMap<Class<?>, ResourceRecord>();
        ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
        readersLock = readWriteLock.readLock();
        writersLock = readWriteLock.writeLock();
    }

    /**
     * Gets a resource record from a cache of records for the specified resource
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   * @param key The key to lock
   * @param timeout in milliseconds; -1 means wait indefinitely, 0 means no wait.
   */
  public void readLock(EntityKey key, int timeout) {
    ReadWriteLock lock = getLock( key );
    Lock readLock = lock.readLock();
    acquireLock( key, timeout, readLock );
  }

  private ReadWriteLock getLock(EntityKey key) {
    ReadWriteLock newLock = new ReentrantReadWriteLock();
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