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

Function and array in java script, Specifications 1. readNumberOfEntri...

Specifications 1. readNumberOfEntries → This function will ask the user for a value greater than or equal to two. The function will keep asking values as long as the user prov

Moving test, After refactor the main class to become abstract class, I want...

After refactor the main class to become abstract class, I want to move test method from tset clas of main class to subclass, how to do that?

Create a generic class with a type parameter, 1. The purpose of this proble...

1. The purpose of this problem is to practice using generics.  Create a generic class with a type parameter that simulates drawing an item at random out of a box. For exampl

Nelson-siegel parametric class of term structures, Since there are only a f...

Since there are only a finite number of bonds available in the market. There will always be "holes" to fill in when defining a yield curve in continuous time. A common approach is

Explain what is local variable, Explain what is Local Variable ? Declar...

Explain what is Local Variable ? Declaring variables (using the var keyword) inside a function forms them local. They are available only inside the function and hold no meaning

Inheritance, identify the possible classes and methods in the classes which...

identify the possible classes and methods in the classes which can be used in a sales tracking system for a fast food restaurants

Smugglers decodes , Smugglers are becoming very smart day by day. Now they ...

Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send

Difference between preemptive scheduling and time slicing, What is the diff...

What is the difference between preemptive scheduling and time slicing? Under preemptive scheduling, the highest priority task executes unless it enters the waiting or dead stat

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