@Override
    public void destroy() throws Exception {
        if (this.sessionFactory != null) {
            this.sessionFactory.shutdown();
        }
    }
Base factory bean class to create message sessionfactory.

@author dennis<killme2008@gmail.com>
@since 1.4.5
@param <T>
metamorphosis-client/src/main/java/com/taobao/metamorphosis/client/extension/spring/AbstractMetaqMessageSessionFactory.java