if (this.session == null) {
                    throw new LazyInitializationException("could not initialize proxy - no Session");
                }

                if (!this.session.isOpen()) {
                    throw new LazyInitializationException("could not initialize proxy - the owning Session was closed");
                }

                if (!this.session.isConnected()) {
                    throw new LazyInitializationException("could not initialize proxy - the owning Session is disconnected");
                }