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

Program to calculates the number of unique shapes, 1. Write the code for th...

1. Write the code for the method that calculates the number of unique shapes for a binary search tree with n nodes. Use the formula  where b n is the number of possible sh

Developed an asteroids game, In the previous assignments, we have developed...

In the previous assignments, we have developed an Asteroids game. In this assignment, we are going to use the same codebase to develop a different gameplay. The inspiration for thi

What is scope of variable in java, What is Scope of Variable ? Space in...

What is Scope of Variable ? Space in that a variable is effective is called as the scope of a variable. In other words we can say area where that variable is available for the

Explanation of EM algorithm, try { pa="weblog"; pa...

try { pa="weblog"; pas="weblog"; Connection c; Statement st;

What is a target , A target is the class that is being advised. The class ...

A target is the class that is being advised. The class can be a third party class or your own class to which you require to add your own custom behavior. By using the concepts of A

Develop a graphical display framework, Develop a Graphical Display Framewor...

Develop a Graphical Display Framework Project Description: The intent of this project is to prepare a web based graphical display framework that will display many data points

Use case diagram, Depicts the typical communication between external users ...

Depicts the typical communication between external users and the system. The emphasis is on what a machine does rather than how it works it. A use case is a summary of scenarios fo

What is aop module, The AOP module is used for developing aspects for our S...

The AOP module is used for developing aspects for our Spring-enabled application. Much of the support has been given by the AOP Alliance in order to ensure the interoperability amo

Explain what is orm, Object Relational Mapping , its a tool for transaction...

Object Relational Mapping , its a tool for transaction management that requires to be integrated with Spring, Struts etc.Eg : Hibernate, i Batis,JDO etc

What is the order of function invocation in an applet? , The Applet's life ...

The Applet's life cycle functions are as follows: public void init() : Initialization function called only once by the browser. public void start() : Method called after

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