春天的抽象类变量

Question

I am using spring and Hibernate and Dao design pattern for the my project, In my GenericDaoImpl (Abstract class) class has "tenentId", I want to set the "tenentId" when use login to the System. My other DaoImpl classes extends from GenericDaoImpl , so I need to set the tenentId(It's define in GenericDaoImpl ) user login time and reset the "tenentId" when user log out.

What is the best way to do this?

In my test cases I tried @Autowired the "GenericDaoImpl" but I couldn't do that, It throws an exception telling, org.springframework.beans.factory.NoSuchBeanDefinitionException: No unique bean of type . I know the problem now,

(We can't create instance of abstract classes,if use tenantId as static variable, is it going to be a problem?) Can any one suggest me any solution?

Thank you, Udeshika

Answer 1

if you are developing multi-tenancy application and would like to have tenant aware application context then have a look spring-tenancy . This will help you to have beans injected which are tenant aware.

if you want to multi-tenancy at hibernate layer then you can also look at multi-tenancy feature of hibernate.