Javax.ejb.deployment.DeploymentDescriptor ?bean
home name ?bean class name ?home interface class name ?remote interface
class name ?environment properties ?control descriptors ?access control
list
DeploymentDescriptor有两个子类:
javax.ejb.deployment.SessionDescriptor ?state
management type ?session
timeout
javax.ejb.deployment.EntityDescriptor ?list of
ocntainer-managed fields ?primary key class
name