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Enterprise JavaBeans EjB is a technology used to develop distributed and large-scale applications on a Java platform. This technology allows the simplified and rapid development of transactional, distributed, portable, and secure applications that support Java EE technology. You can get customized Enterprise JavaBeans EjB assignment help from BookMyEssay. Our tutors are always available to offer you the necessary assignment assistance.

What is Enterprise JavaBeans EjB?

Enterprise Java Bean is a specification offered by Sun Microsystems to develop robust, scalable, secured distributed applications. For running an EjB application, you require an EjB Container including Glassfish, Jboss, Websphere, Weblogic, etc. Our online tutors are always available to provide you instant Enterprise JavaBeans EjB homework help online related to this topic.

It performs the following:

  • security
  • life cycle management
  • object pooling
  • transaction management


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This application is also referred to as a server-side component. EjB is similar to the Component Object Model or COM offered by Microsoft, however, it differs from RMI, Java Bean, and web services.

Types of Enterprise JavaBeans

The types are discussed in our Enterprise JavaBeans EjB assignment help as follows:

  • Session Beans
  • Message Driven Beans

Session Beans

It encapsulates the business logic, which can be programmatically invoked by a client. This invocation can be locally done by another class or remotely on the network. The bean does the job of a client and its complexity is like a web service.

Its lifecycle is managed naturally by an EJB container. Depending on the manner they are managed, they can be of the following states:

  • Stateless
  • Singleton
  • Stateful

Stateless do not have ant state and they are shared by many clients. As there is not any state to maintain, they are managed easily and are fast

Singleton session beans are made for situations wherein the state should be shared with all clients. Developers should make sure that they are safe.

For every client, stateful beans remain unique. They represent the state of a client. As a client communicates with the bean, the state is known as the conversational state. Similar to stateless beans, the container manages its lifecycle. When a client terminates, they are destroyed. You can send your requirements to BookMyEssay through emails or you can upload us your requirements and ask you queries like: do my homework for me on Enterprise JavaBeans EjB.

Message Driven Beans

MDB or Message-driven bean is the enterprise bean, which enables you to process the messages asynchronously. It acts like a JMS message listener that is similar to the event listener, however, gets JMS messages rather than events. These beans are similar to Stateless session beans, however, they are not invoked by clients rather they are driven by events.

Messages can be delivered to message-driven beans in a transaction context. All the operations in this method form part of one transaction. When the message process is rolled back, redelivery of the message shall happen.

Message-driven beans are powerful. As they are event-driven and asynchronous, they are helpful for lengthy jobs, wherein conserving resources is vital. You can connect with our live tutors and buy assignment help on Enterprise JavaBeans EjB.

Benefits of Enterprise JavaBeans EjB

For many reasons, EjB simplifies the development of distributed and large applications. As the container offers system-level services, the bean developers can focus to solve business problems. The bean developers have the responsibility including security authorization and transaction management.

As the beans instead of the clients have the business logic of the application, client developers can concentrate on the client’s presentation. The client developer need not code the routines, which access databases. The clients are thin and it is vital for clients, which run small devices.

The assembler is able to build new applications from the present beans. These benefits are highlighted in our Enterprise JavaBeans EjB assignment paper help.

 


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