What are the basic different types of enterprise beans, JAVA Programming

Assignment Help:

 

Session Bean: is a non-persistent object that provides some business logic running on the server. Session beans do not provide system break down. There are two kinds of session beans

1. Stateless session beans 

2. Stateful session beans

 

Entity Bean: is a persistent object that presents object views of the data, generally a row in a database. They have the primary key as a unique key identifier. Multiple EJB clients can give each entity bean. Entity beans may provide system shutdowns. Entity beans can have two kinds of persistence

1. Container-Managed Persistence (CMP) - The container is responsible for providing the bean's state.

2. Bean-Managed Persistence (BMP) - The entity bean is responsible for giving its own state.

 

Message-driven Bean: is added with the Java Message Service (JMS) to give the ability to react as a message consumer and perform asynchronous processing between the message producer and the server.

 

 

 


Related Discussions:- What are the basic different types of enterprise beans

Online doctor, can you explain me the er diagram for the online doctor syst...

can you explain me the er diagram for the online doctor system

Activity diagram, The statechart diagrams and activity diagram are related ...

The statechart diagrams and activity diagram are related in a sense that statechart diagram refers on object undergoing a transition process and an activity diagram refers on the f

Build an android app like the example in the project details, Build an andr...

Build an android app like the example in the project details Project Description: Construct an android app like cam finder using my own ideas, design and features which I wil

What are the different types of bean injections, Two types of bean injectio...

Two types of bean injections are there:- 1. By setter 2. By constructor

Project, Prog. Concepts - Project The objective is to implement a menu - ba...

Prog. Concepts - Project The objective is to implement a menu - based system for Bank Accounts in order to simulate a very simple banking system. Many structures have to be declare

What is documentation for the class library, What is Documentation for the ...

What is Documentation for the class library Sun gives a large amount of documentation for the classes, interface's and exceptions in the class library. If you've installed the

What is java bytecode, What is java Bytecode Java programs (Source code...

What is java Bytecode Java programs (Source code) are compiled into a form known as Java bytecodes. Java compiler reads Java language source (.java) files, translates source

Arraya, what is arrays and how do they operate

what is arrays and how do they operate

Inheritance, Draw an inheritance hierarchy to represent a shoe object. The...

Draw an inheritance hierarchy to represent a shoe object. The base class should have derived classes of Dress Shoes, Tennis Shoes and Boots.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd