import java.util.Properties; import javax.naming.InitialContext; import javax.naming.NamingException; public class MyBeanClient { public static void main(String[] args) { try { Properties p = new Properties(); p.put("java.naming.factory.initial", "org.apache.openejb.client.RemoteInitialContextFac...
本教程介绍了EJB 3 Stateless Session bean的开发过程。通过本教程,您将学习如何创建创建EJB 3项目、创建无状态会话bean、部署和测试bean。
From a programming standpoint, it's just as easy to create a stateless session bean as it is to create a stateful one. The only real difference, other than changing a setting in the deployment tool, is in the initial design of the bean. A stateless session bean doesn't remember anything...
A string describing the stateless session bean. StringmappedName A product specific name(e.g. Stringname The ejb-name for this bean. Element Detail name public abstractStringname The ejb-name for this bean. Defaults to the unqualified name of the stateless session bean class. ...
public class TraderBean implements SessionBean { private static final boolean VERBOSE = false; private SessionContext ctx; private int tradeLimit; // You might also consider using WebLogic's log service private void log(String s) { if (VERBOSE) System.out.println(s); ...
The client initiates the life cycle by obtaining a reference to a stateless session bean. The container performs any dependency injection and then invokes the method annotated@PostConstruct, if any. The bean is now ready to have its business methods invoked by the client. ...
虽然说,http协议本身是stateless的,但是很多web 应用却是stateful的,因为web应用保存了用户的session信息,这样对登陆之前和登陆之后用户请求的处理是不同的。但是,对于很多web api service来讲,可能就是stateless的,因为其不需要用户登陆,而只需要用户提供验证的credentials,对多次请求的处理逻辑是一样的。
This tutorial covers the development of an EJB 3.x Stateless Session bean. Start with the EJB project and end with deployment and testing.
You can use the Session-Bean-to-Service-Model transformation to generate a software services model from Java classes in existing stateless session beans. You can use the generated software services model as input to other transformations such as the UML-
Say we have one bean that does insert an object into the DB. Under normal circumstances it inserts an object and everything is fine. If I insert 100 objects in turn and all is fine I do not see 100 instances of that bean in the class histogram, only one or two. ...