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

What is runnable jar archives, What is Runnable JAR archives You can ru...

What is Runnable JAR archives You can run a program stored within the JAR archive that has a main() method like this: $ java -cp eharold.jar MainClassName You must use the f

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

Threads, what is meant by thread

what is meant by thread

Elaborate the + operator and its constraints with example, Elaborate the ‘+...

Elaborate the ‘+ ' operator and its constraints along with the help of examples? The + Operator Used on Strings. The + operator could also be used to add string variables or te

I want prosport savings plans, I want ProSport Savings Plans Project Des...

I want ProSport Savings Plans Project Description: To prepare an application on iPhone, Mac, iPad and Android, which does the subsequent:- Provides a calculation of the am

Assingment, hi i want to get my assingment done

hi i want to get my assingment done

Algorithm, #question)i) devising ii) validating and iii) tes...

#question)i) devising ii) validating and iii) testing of algorithms...

Idea for a project, I want to get some idea about how i can make a project ...

I want to get some idea about how i can make a project on "Free Lancer Teaching."

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