}

    /**
     * Loads user information by processing through all authentication chains.
     * @param user The user template containing search criteria.
     * @return The loaded and enriched user information.
     */
    public User load(final User user) {
        User u = user;
        for (final AuthenticationChain chain : chains) {
            u = chain.load(u);
        }
        return u;
    }

 * loader. That way, this class doesn't prevent the main class loader from getting garbage
 * collected, and this class can detect when the main class loader has been garbage collected and
 * stop itself.
 */
public class Finalizer implements Runnable {

  private static final Logger logger = Logger.getLogger(Finalizer.class.getName());

// metrics with a `bucket` dimension (label), use `NewBucketMetricsGroup`.
//
// The `loader` function loads metrics from the cache and the system.
func NewMetricsGroup(path collectorPath, descriptors []MetricDescriptor,
	loader MetricsLoaderFn,
) *MetricsGroup {
	mg := &MetricsGroup{
		CollectorPath: path,
		Descriptors:   descriptors,
		loader:        loader,
	}
	mg.validate()
	return mg
}

            cb.fetchFirst(ComponentUtil.getFessConfig().getPageKeymatchMaxFetchSizeAsInteger());
        });
    }

    /**
     * Loads KeyMatch settings from the database and builds a query map.
     *
     * @return The number of loaded KeyMatch settings.
     */
    @Override
    public int load() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

                    /**
                     * Loads filter patterns for the given session ID.
                     *
                     * @param key The session ID.
                     * @return The list of compiled patterns.
                     */
                    @Override
                    public List<Pattern> load(final String key) {

   * #loadSuccessCount}). Multiple concurrent misses for the same key will result in a single load
   * operation. This may be incremented not in conjunction with {@code missCount} if the load occurs
   * as a result of a refresh or if the cache loader returned more items than was requested. {@code
   * missCount} may also be incremented not in conjunction with this (nor {@link #loadSuccessCount})

   * #loadSuccessCount}). Multiple concurrent misses for the same key will result in a single load
   * operation. This may be incremented not in conjunction with {@code missCount} if the load occurs
   * as a result of a refresh or if the cache loader returned more items than was requested. {@code
   * missCount} may also be incremented not in conjunction with this (nor {@link #loadSuccessCount})

    CountingLoader loader = new CountingLoader();
    LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder());
    assertThat(loader.getCount()).isEqualTo(0);

    Object key = new Object();
    Object value = map.get(key, loader);
    assertThat(loader.getCount()).isEqualTo(1);
    assertThat(map.get(key, loader)).isEqualTo(value);
    assertThat(loader.getCount()).isEqualTo(1);
  }

    CountingLoader loader = new CountingLoader();
    LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder());
    assertThat(loader.getCount()).isEqualTo(0);

    Object key = new Object();
    Object value = map.get(key, loader);
    assertThat(loader.getCount()).isEqualTo(1);
    assertThat(map.get(key, loader)).isEqualTo(value);
    assertThat(loader.getCount()).isEqualTo(1);
  }

  public void testBulkLoad_loadAll() throws ExecutionException {
    IdentityLoader<Integer> backingLoader = identityLoader();
    CacheLoader<Integer, Integer> loader = bulkLoader(backingLoader);
    LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder().recordStats().build(loader);
    CacheStats stats = cache.stats();
    assertThat(stats.missCount()).isEqualTo(0);
    assertThat(stats.loadSuccessCount()).isEqualTo(0);