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## Package org.springframework.ejb.support

Base classes to make implementing EJB 2.x beans simpler and less error-prone, as well as guaranteeing a Spring BeanFactory is available to such EJBs.

See:
Description

Interface Summary
SmartSessionBean | Interface to be implemented by Session Beans that want to expose important state to cooperating classes.

Class Summary
AbstractEnterpriseBean | Base class for Spring-based EJB 2.x beans.
AbstractJmsMessageDrivenBean | Convenient base class for JMS-based EJB 2.x MDBs.
AbstractMessageDrivenBean | Convenient base class for EJB 2.x MDBs.
AbstractSessionBean | Base class for Spring-based EJB 2.x session beans.
AbstractStatefulSessionBean | Convenient base class for EJB 2.x stateful session beans (SFSBs).
AbstractStatelessSessionBean | Convenient base class for EJB 2.x stateless session beans (SLSBs), minimizing the work involved in implementing an SLSB and preventing common errors.

## Package org.springframework.ejb.support Description

Base classes to make implementing EJB 2.x beans simpler and less error-prone, as well as guaranteeing a Spring BeanFactory is available to such EJBs. This promotes good practice, with EJB services used for transaction management, thread management, and (possibly) remoting, while business logic is implemented in easily testable POJOs.

In this model, the EJB is a facade, with as many POJO helpers behind the BeanFactory as required.

Note that the default behavior is to look for an EJB enviroment variable with name `ejb/BeanFactoryPath` that specifies the location on the classpath of an XML bean factory definition file (such as `/com/mycom/mypackage/mybeans.xml`). If this JNDI key is missing, your EJB subclass won't successfully initialize in the container.

Check out the `org.springframework.ejb.interceptor` package for equivalent support for the EJB 3 component model, providing annotation-based autowiring using an EJB 3 interceptor.

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