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Java EE Programming: Enterprise JavaBeans (EJB 3.0) in the Enterprise

Количество дней: 3
Стоимость для частных лиц (без НДС): 336.00 Ls
Стоимость для организаций (без НДС): 420.00 Ls

Overview:

This course takes you beyond the fundamentals of Enterprise Java Bean (EJB 3.0) programming using Eclipse. In this course, you will learn about building message-driven Beans, EJB Security, utilizing Web Services technologies like JAX-WS, and managing distributed transactions. You will also be exposed to Java Interceptors, EJB Timer service, Hibernate JPA caching, EJB design patterns, and deployment.

Prerequisites: This course is intended for intermediate to advanced Java programmers. System architects will find the advanced concepts especially beneficial in designing a framework. Students should have good Java programming knowledge and should be familiar with web application programming, including servlets and JSPs.

Outline:

Message-Driven Beans

• The Trouble with RMI/IIOP
• Messaging to the Rescue
• Messaging Features
• Message-Oriented Middleware
• Messaging Domains
• Publish/Subscribe
• Point-to-Point
• Java Message Service
• JMS Programming: Overview
• The JMS Interfaces
• Integrating JMS and EJB
• Message-Driven Beans Are Different From Other EJBs
• Message-Driven Beans Cannot Talk to Their Clients
• Message-Driven Beans are Stateless
• Durable Subscription
• Message-Driven Bean Interfaces
• javax.jms.MessageListener
• javax.jms.Message
• Specialized Message Types
• Lifecycle
• Transactions
• Security
• Load Balancing
• Clustering and Topics
• Clustering and Queues
• Poison Messages
• Building a Response
• Potential Problems
• Type Checking and Messages
• Testing Message-Driven Beans

EJB Security

• How EJB Security Works
• Protecting Web Resources
• Setting Method Permission
• Defining Roles
• Defining Roles Using Annotations
• Specify Methods Permission
• Disable Security Check
• Excludes List
• RunAs Security Identity
• RunAs Security Identity Configuration
• Programmatic EJB Security
• Security Role Reference

Web Service Access to EJBs

• Web Services
• Operation and Implementation
• WSDL
• Typical Development Workflow
• Advantages of Web Services
• Web Services and EJB
• Web Service Clients
• JAX-WS Overview
• JAX-WS Framework
• Java to XML Data Conversion
• Main Goals of JAX-WS
• JAX-WS Server
• WSDL Overview
• WSDL Document Tags
• Web Service EJBs
• Annotate The Session Bean
• Annotate the Methods
• Service Endpoint Interface
• Package and Deploy

EJB Timer Service

• Container Managed Timer Service
• EJB Timer Service
• Interaction between Timer Service and EJB
• Timer Service API
• The TimerService Interface
• Obtaining the Timer Service
• Creating a Timer
• Getting All Timers
• The Timeout Callback method
• The Timer Interface
• Timer and Transaction
• Limitations of EJB Timer Service

Transactions

• Need for Transactions
• Transactions
• ACID Properties
• Transaction Components
• Distributed Transactions
• Distributed Transaction Components - Two Phase Commit
• Java Transaction API (JTA)
• Object Transaction
• EJB Transaction Basics
• Transaction Propagation
• Transaction Outcome
• Container Managed Transaction
• Container Managed Transaction Settings
• Interacting with Container Managed Transactions
• Transaction Attributes Support
• Bean Managed Transaction
• Client Managed Transaction
• Transaction Isolation
• Isolation Level

Interceptors

• Interceptors
• Internal Interceptor
• External Interceptors
• Setting Class Level Interceptors
• Excluding Default and Class Level Interceptors
• Interceptors on Lifecycle Callbacks

EJB Deployment

• Packaging EJB JAR File
• The Bean Classes
• Dependent Classes
• Business Interfaces
• Client JAR File
• The Deployment Descriptor
• Basic Deployment Descriptor
• Configuring a Session EJB
• Configure Assembly Description

Hibernate JPA Caching

• Need for Caching
• Factors Involved in Caching
• Using Hibernate to Cache JPA Entities
• Types of Hibernate JPA Cached Data
• Steps to Configure Hibernate Second Level Cache
• Decide JBoss Cache Configuration
• Standard JBoss Cache Configurations
• Configure JPA Persistence Caching Properties
• Sample persistence.xml with Hibernate Caching
• Configure JPA Entities to Allow Caching
• Configure JPA Queries to Allow Caching
• Tuning Cache Eviction
• JBoss Cache EvictionRegionConfig

EJB 3 Design Patterns

• Session Fa ade Pattern
• JPA and Session Fa ade Pattern
• Message Fa ade Pattern
• Message Fa ade Using JMS
• Message Fa ade Using Timer Service
• The Command Pattern
• Implementing Command Pattern
• Example Command Pattern
• Data Transfer Object (DTO) Pattern
• JPA Entity as DTO
• Problem With JPA Entity as DTO
• Version Number Pattern
• JPA and Version Number Pattern
• Primary Key Generation
• JPA and Primary Key Generation
• Fast Lane Pattern
• JPA and Fast Lane Pattern