Titlebook: Beginning EJB 3; Java EE 7 Edition Jonathan Wetherbee,Chirag Rathod,Peter Zadrozny Book 20132nd edition Jonathan Wetherbee and Raghu Kodali

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EJB Packaging and Deployment,vices offered by the EJB container. In Java EE parlance, these tasks fall under the role of Application Component Provider, which is simply referred to as the Provider. In this chapter, we explore the topics that surround the process of packaging your components into modules and library components,

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EJB Client Applications,ng stateless session beans as Web services, and integrating all of these components. On top of this, we have covered specific details on transactions and performance. While we have been developing simple servlets as our client applications to illustrate how the components work, we haven’t thoroughly

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Testing in an Embeddable EJB Container,granularity in an EJB is its method; so proper unit tests must test each method of each EJB in isolation. For stateless Session beans, this is typically sufficient. Because a stateful Session bean may also contain state, full coverage additionally requires inclusion of more coarse-grained scenarios

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Advanced Persistence Features,it gave you a starting point for creating entities, wiring up object/relational (O/R) mappings, and writing queries that retrieve them. With an understanding of these concepts, you can create and build applications with powerful, persistent entities that run both inside and outside an EJB container.

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EJB and Web Services,upport in the Java EE platform. We will also drill down into how you can publish EJB stateless session beans as Web services. Finally, we will discuss how to invoke the published Web service from a command-line Java client program and a stateless session bean.

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