Lock lockB = factory.newReentrantLock(OtherOrder.SECOND);

    lockA.lock();
    lockA.lock();
    lockB.lock();
    lockB.lock();
    lockA.unlock();
    lockA.unlock();
    lockB.unlock();
    lockB.unlock();
  }

  public void testExplicitOrdering_acquiringMultipleLocksWithSameRank() {
    CycleDetectingLockFactory.WithExplicitOrdering<OtherOrder> factory =

            guidToHandle.put(guid, info);

            if (type == HandleType.PERSISTENT) {
                persistHandle(info);
            }
        } finally {
            lock.writeLock().unlock();
        }

        log.debug("Requested {} handle for path: {}", type, path);
        return guid;
    }

    /**
     * Update the file ID for a handle after successful create response

	if opts.CheckPrecondFn != nil {
		if !opts.NoLock {
			ns := er.NewNSLock(bucket, object)
			lkctx, err := ns.GetLock(ctx, globalOperationTimeout)
			if err != nil {
				return nil, err
			}
			ctx = lkctx.Context()
			defer ns.Unlock(lkctx)
			opts.NoLock = true
		}

		obj, err := er.getObjectInfo(ctx, bucket, object, opts)

	Endpoint string `json:"-"`
	// Secure is true if the replication target endpoint is secure
	Secure bool `json:"-"`
}

func (sr *SRStats) update(st replStat, dID string) {
	sr.lock.Lock()
	defer sr.lock.Unlock()
	srs, ok := sr.M[dID]
	if !ok {
		srs = &SRStatus{
			XferRateLrg: newXferStats(),
			XferRateSml: newXferStats(),
		}
	}
	srs.Endpoint = st.Endpoint
	srs.Secure = st.Secure
	switch {

	mu sync.Mutex
}

func (d *disconnectReader) Read(p []byte) (n int, err error) {
	d.mu.Lock()
	defer d.mu.Unlock()
	if d.r != nil {
		return d.r.Read(p)
	}
	return 0, errors.New("reader closed")
}

func (d *disconnectReader) Close() error {
	d.mu.Lock()
	d.r = nil
	d.mu.Unlock()
	return nil
}

  }

  @Override
  public boolean tryLock(long time, TimeUnit unit) throws InterruptedException {
    return delegate().tryLock(time, unit);
  }

  @Override
  public void unlock() {
    delegate().unlock();
  }

  @Override
  public Condition newCondition() {
    return delegate().newCondition();
  }

	fw *flate.Writer
}

func (w *pooledFlateWriter) Write(p []byte) (n int, err error) {
	w.mu.Lock()
	defer w.mu.Unlock()
	if w.fw == nil {
		return 0, errors.New("Write after Close")
	}
	return w.fw.Write(p)
}

func (w *pooledFlateWriter) Close() error {
	w.mu.Lock()
	defer w.mu.Unlock()
	var err error
	if w.fw != nil {
		err = w.fw.Close()
		flateWriterPool.Put(w.fw)
		w.fw = nil
	}
	return err

	}
	// RUnlock once...
	for i, name := range rResources {
		arg := dsync.LockArgs{
			UID:       rUIDs[i*2],
			Resources: []string{name},
			Source:    t.Name(),
			Owner:     "owner",
			Quorum:    &quorum,
		}
		ok, err := l.RUnlock(ctx, arg)
		if err != nil {
			t.Fatal(err)
		}
		if !ok {

        final int start = bufferIndex;
        for (int i = 0; i < this.unlocks.length; i++) {
            this.unlocks[i] = createLockRange();
            bufferIndex += this.unlocks[i].decode(buffer, bufferIndex, buffer.length);
        }

        for (int i = 0; i < this.locks.length; i++) {
            this.locks[i] = createLockRange();

            }
        } finally {
            lock.writeLock().unlock();
        }
    }
    
    public List<FileInfo> getChildren() {
        lock.readLock().lock();
        try {
            lastAccessTime = System.currentTimeMillis();
            return new ArrayList<>(children.values());
        } finally {
            lock.readLock().unlock();
        }
    }