return policy == Policies.DISABLED
        ? new ReentrantReadWriteLock(fair)
        : new CycleDetectingReentrantReadWriteLock(new LockGraphNode(lockName), fair);
  }

  // A static mapping from an Enum type to its set of LockGraphNodes.
  private static final ConcurrentMap<
          Class<? extends Enum<?>>, Map<? extends Enum<?>, LockGraphNode>>
      lockGraphNodesPerType = new MapMaker().weakKeys().makeMap();

        final String[] froms = time.split(":");
        if (froms.length != 2) {
            throw new FessSystemException("Invalid format: " + time);
        }
        final int[] values = new int[2];
        values[0] = Integer.parseInt(froms[0]);
        if (values[0] < 0 || values[0] > 23) {
            throw new FessSystemException("Invalid format: " + time);
        }
        values[1] = Integer.parseInt(froms[1]);

    public static final ParseField MODEL_NAME = new ParseField("model");
    public static final ParseField FEATURESET_NAME = new ParseField("featureset");
    public static final ParseField STORE_NAME = new ParseField("store");
    public static final ParseField PARAMS = new ParseField("params");
    public static final ParseField ACTIVE_FEATURES = new ParseField("active_features");

    List<E> list = new ArrayList<>();
    addAll(list, elements);
    return list;
  }

  public static <E extends @Nullable Object> List<E> copyToList(E[] elements) {
    return copyToList(asList(elements));
  }

  // Clone of Sets.newLinkedHashSet
  public static <E extends @Nullable Object> Set<E> copyToSet(Iterable<? extends E> elements) {
    Set<E> set = new LinkedHashSet<>();
    addAll(set, elements);

        this.transportContext = tc;
        this.requestProperties = new HashMap<>();
        copySettings();
    }


    /**
     * 
     */
    private final void copySettings () {
        try {
            this.setRequestMethod(this.connection.getRequestMethod());
        }
        catch ( ProtocolException e ) {
            throw new RuntimeCIFSException("Failed to set request method", e);
        }

    // seed the map, so its segment's count > 0
    cache.getUnchecked("a");
    shouldWait.set(true);

    final CountDownLatch computationStarted = new CountDownLatch(1);
    final CountDownLatch computationComplete = new CountDownLatch(1);
    new Thread(
            new Runnable() {
              @Override
              public void run() {
                computationStarted.countDown();
                cache.getUnchecked("b");

        SessionBuilder session = new MavenSessionBuilderSupplier(system).get();
        session.withLocalRepositories(new LocalRepository(new File("target/local-repo"), "simple"));
        session.setTransferListener(new ConsoleTransferListener());
        session.setRepositoryListener(new ConsoleRepositoryListener());

        return session.build();
    }

                                }
                            }
                        }
                    }
                    throw new SearchEngineClientException(response.buildFailureMessage());
                }
            }
            if (logger.isInfoEnabled()) {
                if (docList.getContentSize() > 0) {

@VmOptions({"-Xms12g", "-Xmx12g", "-d64"})
public class StripedBenchmark {
  private static final Supplier<Lock> LOCK_SUPPLIER =
      new Supplier<Lock>() {
        @Override
        public Lock get() {
          return new ReentrantLock();
        }
      };

  @Param({"2", "8", "64", "1024", "65536"})
  int numStripes;

  @Param Impl impl;

  enum Impl {
    EAGER {

@VmOptions({"-Xms12g", "-Xmx12g", "-d64"})
public class StripedBenchmark {
  private static final Supplier<Lock> LOCK_SUPPLIER =
      new Supplier<Lock>() {
        @Override
        public Lock get() {
          return new ReentrantLock();
        }
      };

  @Param({"2", "8", "64", "1024", "65536"})
  int numStripes;

  @Param Impl impl;

  enum Impl {
    EAGER {