ll *localLocker
}

// RefreshHandler - refresh the current lock
func (l *lockRESTServer) RefreshHandler(args *dsync.LockArgs) (*dsync.LockResp, *grid.RemoteErr) {
	// Add a timeout similar to what we expect upstream.
	ctx, cancel := context.WithTimeout(context.Background(), dsync.DefaultTimeouts.RefreshCall)
	defer cancel()

	resp := lockRPCRefresh.NewResponse()
	refreshed, err := l.ll.Refresh(ctx, *args)
	if err != nil {

				log("dsync: Unable to call Refresh failed with %s for %#v at %s\n", err, args, c)
			} else {
				ch <- refreshResult{refreshed: refreshed}
				log("dsync: Refresh returned false for %#v at %s\n", args, c)
			}
		}(index, c)
	}

	// Wait until we have either
	//
	// a) received all refresh responses
	// b) received too many refreshed for quorum to be still possible
	// c) timed out
	//

                    if (logger.isDebugEnabled()) {
                        logger.debug("Token refreshed successfully via silent authentication");
                    }
                    return true;
                }
            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Silent token refresh failed: {}", e.getMessage());
                }
            }

package org.codelibs.fess.dict;

/**
 * Exception thrown when a dictionary has expired and is no longer valid.
 * This runtime exception indicates that a dictionary file or dictionary data
 * has exceeded its lifetime and should be refreshed or reloaded.
 */
public class DictionaryExpiredException extends RuntimeException {

    /** Serial version UID for serialization. */
    private static final long serialVersionUID = 1L;

    /**

	lockMap map[string]int64

	// Refresh returns lock not found if set to true
	lockNotFound bool

	// Set to true if you want peers servers to do not respond
	responseDelay int64
}

func (l *lockServer) setRefreshReply(refreshed bool) {
	l.mutex.Lock()
	defer l.mutex.Unlock()
	l.lockNotFound = !refreshed
}

func (l *lockServer) setResponseDelay(responseDelay time.Duration) {

	return restClient.Call("/v1/unlock", args)
}

func (restClient *ReconnectRESTClient) Refresh(ctx context.Context, args LockArgs) (refreshed bool, err error) {
	return restClient.Call("/v1/refresh", args)
}

func (restClient *ReconnectRESTClient) ForceUnlock(ctx context.Context, args LockArgs) (reply bool, err error) {

type KeycloakProvider struct {
	sync.Mutex

	oeConfig DiscoveryDoc
	client   http.Client
	adminURL string
	realm    string

	// internal value refreshed
	accessToken Token
}

// LoginWithUser authenticates username/password, not needed for Keycloak
func (k *KeycloakProvider) LoginWithUser(username, password string) error {
	return ErrNotImplemented
}

     * This cache is refreshed periodically based on the lastLoadedTime.
     */
    protected volatile String[] dataStoreNames = StringUtil.EMPTY_STRINGS;

    /**
     * Timestamp of the last time data store names were loaded from plugin files.
     * Used to implement a time-based cache refresh mechanism.
     * Volatile to ensure visibility across threads.
     */

  /**
   * Computes or retrieves a replacement value corresponding to an already-cached {@code key}. This
   * method is called when an existing cache entry is refreshed by {@link
   * CacheBuilder#refreshAfterWrite}, or through a call to {@link LoadingCache#refresh}.
   *
   * <p>This implementation synchronously delegates to {@link #load}. It is recommended that it be
   * overridden with an asynchronous implementation when using {@link

    ConcurrentMap<String, String> map = cache.asMap();
    map.put(refreshKey, refreshKey);
    assertThat(map).hasSize(1);
    assertThat(map.containsKey(getKey)).isFalse();
    assertThat(map.get(refreshKey)).isSameInstanceAs(refreshKey);

    new Thread() {
      @Override
      public void run() {
        cache.getUnchecked(getKey);