EJB

In this guide we will discuss about Interceptors EJB. EJB 3.0 provides specification to intercept business methods calls using methods annotated with @AroundInvoke annotation. An interceptor method is called by…

In this guide we will discuss about Dependency Injection of EJB. EJB 3.0 specification provides annotations, which can be applied on fields or setter methods to inject dependencies. EJB Container…

In this guide we will discuss about Timer Service of EJB. Timer Service is a mechanism by which scheduled application can be build. For example, salary slip generation on the…

In this guide we will discuss about Callbacks of EJB. Callback is a mechanism by which the life cycle of an enterprise bean can be intercepted. EJB 3.0 specification has…

In this guide we will discuss about Annotations of EJB. Annotations were introduced in Java 5.0. The purpose of having annotations is to attach additional information in the class or…

In this guide we will discuss about Message Driven Beans of EJB. A message driven bean is a type of enterprise bean, which is invoked by EJB container when it…

In this guide we will discuss about Persistence of EJB. EJB 3.0, entity bean used in EJB 2.0 is largely replaced by persistence mechanism. Now entity bean is a simple…

In this guide we will discuss about Stateless Bean of EJB. A stateless session bean is a type of enterprise bean, which is normally used to perform independent operations. A…

In this guide we will discuss about Create Application of EJB. To create a simple EJB module, we will use NetBeans, "New project" wizard. In the example given below, We…

In this guide we will discuss about Environment Setup of EJB. EJB is a framework for Java, so the very first requirement is to have a Java Development Kit (JDK) installed in your…