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

Overloaded Methods, QUESTION 3: Overloaded methods Write the overloaded me...

QUESTION 3: Overloaded methods Write the overloaded method named average () for each of the following problems: a) The first method receives THREE (3) integer values and returns

Non-final functions in java object class, Normal 0 false fals...

Normal 0 false false false EN-US X-NONE X-NONE

Make a javascript jquery script to fill variables from, Make a JavaScript j...

Make a JavaScript jQuery script to fill variables from a remote JSON file I'm in requirement of someone to write and rewrite some JavaScript code that connects to a remote rest

Write a program that will analyze stocks, Write a program in java that will...

Write a program in java that will analyze stock data and purchase stock with the user''s specific risk and investment. User will select risk from a GUI, high, medium or low and inp

Networking, which concept is used to connect the networking in java

which concept is used to connect the networking in java

Support for web and enterprise web applications, Support for Web and Enterp...

Support for Web and Enterprise Web Applications Java offers an extensive support for the development of web and enterprise applications Servlets, JSP, Applets, RMI, JDBC, EJBs

Life span of variables, While you declare a variable in a function, the var...

While you declare a variable in a function, the variable can be accessed within that function only.  While you exit the function, the variable is destroyed.  These variables are ca

Explain subclasses and polymorphism, Explain Subclasses and Polymorphism ? ...

Explain Subclasses and Polymorphism ? Car and Motorcycle are subclasses of MotorVehicle. If you instantiate a Car or a Motorcycle along with new, you can use in which object a

Travelling salesman animation, how to implement tsp problem using java appl...

how to implement tsp problem using java applet to present in form of visulation

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