SessionManager implements Closeable { public void invalidationConflict(RepositoryBackedSession session, boolean onExpiry) { if (onExpiry) { invalidationExpiryErrors.mark(); logger.warn("Conflict on removing session: {}", session.getId()); } else { invalidationErrors.mark(); logger.info("Conflict on removing session during exipre management: {}", session.getId()); } } SessionManager(ExecutorFacade executors, SessionFactory factory, SessionRepository repository,
      SessionTracking tracking, SessionNotifier notifier, SessionConfiguration configuration, ClassLoader classLoader); RepositoryBackedSession fetchSession(String sessionId, boolean updateTimestamp); RepositoryBackedSession getSession(RequestWithSession request, boolean create,
      SessionTracking.IdAndSource forceId); void propagateSession(RequestWithSession request, ResponseWithSessionId response); void delete(String sessionId, boolean expired); void requestFinished(); Future<?> submit(String timer, Runnable task); ScheduledFuture<?> schedule(String timer, Runnable task, long period); void deleteAsync(final String sessionId, final boolean expired); SessionRepository getRepository(); SessionNotifier getNotifier(); void invokeCommit(RepositoryBackedSession session); SessionConfiguration getConfiguration(); ClassLoader getSessionClassLoader(); SerializerDeserializer getSerializerDeserializer(); void invalidationConflict(RepositoryBackedSession session, boolean onExpiry); MetricRegistry getMetrics(); String encodeUrl(RequestWithSession request, String url); void reset(); @Override void close(); void switchSessionId(RepositoryBackedSession session); void switchSessionId(RepositoryBackedSession session, String forceId); @Override String toString(); void remove(SessionData sessionData); boolean isConnected();  }
@Test public void testInvalidationConflict() { assertEquals(0, metrics.meter(MetricRegistry.name(SessionManager.SESSIONS_METRIC_PREFIX, "invalidation", "errors")).getCount()); assertEquals(0, metrics.meter(MetricRegistry.name(SessionManager.SESSIONS_METRIC_PREFIX, "invalidation", "errors", "expiry")) .getCount()); RepositoryBackedSession session = mock(RepositoryBackedSession.class); sessionManager.invalidationConflict(session, true); assertEquals(0, metrics.meter(MetricRegistry.name(SessionManager.SESSIONS_METRIC_PREFIX, "invalidation", "errors")).getCount()); assertEquals(1, metrics.meter(MetricRegistry.name(SessionManager.SESSIONS_METRIC_PREFIX, "invalidation", "errors", "expiry")) .getCount()); sessionManager.invalidationConflict(session, false); assertEquals(1, metrics.meter(MetricRegistry.name(SessionManager.SESSIONS_METRIC_PREFIX, "invalidation", "errors")).getCount()); assertEquals(1, metrics.meter(MetricRegistry.name(SessionManager.SESSIONS_METRIC_PREFIX, "invalidation", "errors", "expiry")) .getCount()); }