Services given by an EJB container, JAVA Programming

Assignment Help:

 

1.Lifecycle Management : Individual enterprise beans do not accept to explicitly manage process allocation, object activation, thread management, or object destruction. The EJB container automatically accepts the object lifecycle on behalf of the enterprise bean.

2. State Management : Individual enterprise beans do not use to explicitly restore or save conversational object state between function calls. The EJB container automatically provides object state on behalf of the enterprise bean.

3. Security : Individual enterprise beans do not have to explicitly authenticate users or check authorization levels. The EJB container automatically gives all security checking on behalf of the enterprise bean.

4. Transactions : Individual enterprise beans do not accept to explicitly specify transaction demarcation code to participate in distributed transactions. The EJB container may automatically manage the start, commitment, enrolment, and rollback of transactions on behalf of the enterprise bean.

5. Persistence : Individual enterprise beans do not need to explicitly store or retrieve persistent object data from a database. The EJB container may automatically provide persistent data on behalf of the enterprise bean.

 


Related Discussions:- Services given by an EJB container

Diffentiate local and global variables, Diffentiate Local and Global Variab...

Diffentiate Local and Global Variables? Local or function level variable effective just in the function in that they are declared although global variables visible everywhere o

Explain testing for equality with equals, Explain Testing for Equality with...

Explain Testing for Equality with equals? That's not what you expected. To contrast strings or any other kind of object you required to use the equals(Object o) techniques from

#, Consider the following code? What input is needed for x in order for the...

Consider the following code? What input is needed for x in order for the sum variable that is output at the end of the code to be 12 ? (In other words: what do I need to make X be

Design and implement online food delivery system, You are required to  desi...

You are required to  design & implement  online  food delivery  system  using Java RMI technology.  This involves writing both the server and the client program(s). Client programs

Program design, GOALS 1.   Use abstract classes in the correct program...

GOALS 1.   Use abstract classes in the correct programming context. 2.   Evaluate and use a variety of data structures. 3.   Design, evaluate and implement efficient alg

Web-based client program, Why are JSP pages the preferred API for creating ...

Why are JSP pages the preferred API for creating a web-based client program? Because no plug-ins or security policy files are required on the client systems (applet does). Also,

Malformedurlexception and unknownhostexception, When MalformedURLException ...

When MalformedURLException and UnknownHostException throws? Ans) When the particular URL is not connected then the URL throws MalformedURLException and If InetAddress? methods g

Series, Write a Java program to find the sum of 1+3+5+…. , for 10 terms in ...

Write a Java program to find the sum of 1+3+5+…. , for 10 terms in the series.

Describe java operators, Describe java operators? An operator is a symb...

Describe java operators? An operator is a symbol which operates on one or more arguments to generate a result. The Hello World program is so easy it doesn't use any operators,

Creating a system to keep track of computer science books, You are part of ...

You are part of a team creating a system to keep track of computer science books that a publisher is producing. Create a UML class diagram for a "computer science book". You must h

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