private void initializeRegion(DeltaSessionManager<?> sessionManager) {
    // Get the session region name
    sessionRegionName = sessionManager.getRegionName();

    // Get the operating region.
    // If a P2P manager is used, then this will be a local region fronting the
    // session region if local cache is enabled; otherwise, it will be the
    // session region itself.
    // If a CS manager is used, it will be the session proxy region.
    operatingRegion = uncheckedCast(sessionManager.getSessionCache().getOperatingRegion());
    if (sessionManager.getLogger().isDebugEnabled()) {
      sessionManager.getLogger().debug(this + ": Set operating region: " + operatingRegion);
    }
  }
Return the <code>HttpSession</code> for which this object is the facade.
extensions/geode-modules/src/main/java/org/apache/geode/modules/session/catalina/DeltaSession.java