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EJB v3

Course Overview


Introduction to EJB teaches attendees the skills they need to successfully develop all types of Enterprise JavaBeans, including session beans, entity beans, and message-driven beans. EJB course is taught using the EJB 3.0 framework.

Course Content


Overview

  • Enterprise Applications
  • Containers and Objects
  • Three Containers
  • Remote Connectivity
  • Scalability and Availability
  • Security
  • Transaction Control

Architecture

  • What is an EJB?
  • Types of Beans
  • Inversion of Control
  • The Bean-Type Annotations
  • Dependency Injection
  • The @EJB Annotation
  • Development Cycle and Roles

Session Beans

  • Interface/Implementation Split
  • Stateful vs. Stateless
  • The @Stateless Annotation
  • Lifecycle and State Transitions
  • Session Context
  • The @Stateful Annotation
  • State Transitions
  • Singletons and Pools

Entities

  • The Java Persistence API
  • Persistence Annotations
  • Configuration by Exception
  • ORM Annotations
  • The EntityManager
  • Acquiring and Using the EntityManager
  • persistence.xml
  • @Enumerated and @Temporal Types

Associations

  • Associations, Cardinality, and Ownership
  • Annotations
  • Unidirectional vs. Bidirectional
  • The @Embedded Annotation

Java Persistence Query Language

  • OO Query Languages
  • The FROM Clause and Directionality
  • The WHERE Clause
  • The SELECT Clause
  • Joins
  • Aggregates and Grouping
  • Ordering

Dependency Injection

  • Interdependent Systems
  • The Factory Pattern
  • The Service Locator Pattern
  • Dependency Injection
  • Injection by Magic?
  • Injection by Type
  • Injection by Name
  • The Component Environment
  • Deployment Descriptors
  • Impact on Stateful Session Beans
  • JNDI
  • Connecting to a Remote Bean
  • Using mappedName
  • Who Can Declare Dependencies

Message-Driven Beans

  • Asynchronous Messaging
  • The Java Message Service
  • Message-Driven Beans
  • Message Types
  • Injecting JMS Queues

Transactions

  • ACID Transactions
  • The EntityTransaction Interface
  • EJB Transaction Attributes
  • Persistence Contexts
  • Extended Persistence Contexts
  • Isolation Levels
  • Application-Managed Persistence
  • The SessionSynchronization Interface
  • Impact on JMS and MDBs

Exception Handling

  • Java Exceptions
  • Remote Exceptions
  • EJB Exception Handling
  • System Exceptions
  • Application Exceptions
  • Transaction Control

Security

  • Authentication and Authorization
  • Declarative Authorization
  • Abstract Roles
  • Concrete Realms
  • Programmatic Authorization
  • Run-As Identity

Interceptors

  • EJB and AOP
  • The Intercepting Filter Pattern
  • EJB Interceptors
  • Annotating Interceptor Classes
  • The InvocationContext Interface
  • Binding Interceptors to Targets
  • Shared Lifecycle and Context
  • Interceptors and MDBs

Timers

  • The EJB Timer Service
  • The TimerService Interface
  • The Timer Interface
  • Timeout Methods
  • Timer Handles
  • Transactions and Timers

Customer Reviews


Thanks to Xpertised and the tutor who walked me through all the topics with Practical exposure which is helping me in my current project.
-Waseem

Course was quite helpful in terms of understanding of concepts and practicality. Its really a very friendly environment to learn. The timing were mutually chosen, as we both are working professional. I am quite satisfied with the course.
-Tanmoy

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