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

Search on column demonstration in semantic vector, Search on column demonst...

Search on column demonstration in Semantic Vector Project Description: I am preparing a research on Semantic Vectors. But I am not able to check out in a vector representa

Ejb container security?, EJB elements operate inside a container environmen...

EJB elements operate inside a container environment and rely heavily on the container to give security. The four key services needed for the security are: 1. Identification :

What is white space explain proper use of white space java, What is White S...

What is White Space? explain proper use of white space in java? White space consists mainly of the space character in which you generates through hitting the space bar on your

Applet draw a face , Write a Java Applet which will draw a face on applet a...

Write a Java Applet which will draw a face on applet as follows:   b)    Modify the program now by adding two Buttons (Java version of ActiveX Control) named Smily Fac

How you returning values from methods in java, How you Returning Values Fro...

How you Returning Values From Methods in java ? It's frequent meaningful to have a method return a value to the class which is known as it. This is accomplished through the ret

Code, pls telme source code for Padovan String

pls telme source code for Padovan String

Explain jakarta struts framework, Jakarta Struts is open source execution o...

Jakarta Struts is open source execution of MVC (Model-View-Controller) pattern for the development of web based applications. Jakarta Struts is robust architecture and can be used

Define high-level thread states?, The state chart diagram given below defin...

The state chart diagram given below defines the thread states.     1.      Runnable - waiting for its turn to be picked for performing by the thread scheduler based o

Agile software development processes, Agile software development process is...

Agile software development process is receiving popularity  and  momentum  across organizations. Highest priority is to satisfy the end user. Welcome requirement modifie

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