code: public Object adapt(ISession isess) {
  
          Object adaptation = isess.getAdaptation();
          if (null == adaptation) {
              adaptation = _sessionCtx.createSessionObject(isess, _servletCtx);
              isess.setAdaptation(adaptation);
          }
          return adaptation;
      }
docs: /*
  Method adapt
  Creates a WAS http session wrapper, SessionData, around the ISession