Visão Geral

Este Curso EJB - Business Component Development fornece o conhecimento necessário para construir funcionalidades de back-end robustas usando a tecnologia Enterprise JavaBeans (EJB). O curso fornece uma exploração prática da experiência de codificação da tecnologia EJB de beans de sessão e beans acionados por mensagens. O curso também examina o design do EJB, as melhores práticas, o gerenciamento de transações, os fundamentos do sistema de mensagens e a segurança.

Objetivo

Após concluir este Curso EJB - Business Component Development, você será capaz de:

• Implemente funcionalidade de nível de negócios usando tecnologia EJB
• Descrever as melhores práticas e outras questões avançadas no desenvolvimento de componentes de negócios com tecnologia EJB
• Monte e implemente componentes de nível de negócios da tecnologia EJB em um servidor de aplicativos
• Integre um aplicativo baseado em tecnologia EJB usando a API Java Messaging Service
• Criar e implementar serviços baseados em timer
• Integre transações e segurança em um aplicativo empresarial

Publico Alvo

• Desenvolvedores Java que desejam construir aplicativos baseados na Web e/ou empresariais que incorporem a tecnologia EJB

Pre-Requisitos

• Experiência com a linguagem de programação Java
• Integre o código Java existente (por exemplo, reutilize classes existentes criadas por outros membros da equipe)

Materiais

Conteúdo Programatico

Introduction to Java EE

1. Examine the Java EE application architecture
2. Examine Java EE container services
3. Examine the EJB component types
4. Evaluate the EJB Lite Container
5. Compare Java EE application development with traditional enterprise application development

Implementing Session Beans

1. Examine session beans
2. Identify the three types of session beans
3. Choose the correct session bean type given a business constraint
4. Create session beans Package and deploy session beans

Accessing Session Beans

1. Understand the purpose and role of JNDI in relation to EJB components
2. Configure JNDI environment properties
3. Use JNDI to look up a resource
4. Write code that receives a resource reference through injection
5. Create a session bean client
6. Create a session façade
7. Use dependency injection to locate an EJB

Advanced Session Bean Concepts

1. Understand the relationship between the EJB container and an EJB component
2. Describe the life cycle for stateless and stateful session beans
3. Implement session bean life cycle methods
4. Use a session bean to perform asynchronous communication
5. Have fine-grained control over packaging and deployment

Singleton Session Bean

1. Understand the advantages and disadvantages of using a singleton session bean
2. Create a singleton session bean
3. Describe the life cycle of a singleton session bean
4. Implement singleton session bean life cycle methods
5. Describe singleton concurrency access
6. Implement a concurrency management strategy

Developing Java EE Applications Using Messaging

1. Review JMS technology
2. Describe the roles of the participants in the JMS API messaging system
3. Create a queue message producer
4. Create a synchronous message consumer

Developing Message-Driven Beans

1. Understand the short-comings of using session beans as messaging consumers
2. Describe the properties and life cycle of message-driven beans
3. Create a JMS message-driven bean
4. Create life cycle event handlers for a JMS message-driven bean
5. Configure a JMS message-driven bean

Using Timer Services Objectives

1. Describe timer services
2. Create a timer notification callback
3. Process a timer notification callback Manage timer objects

Implementing Interceptor Classes and Methods

1. Describe interceptors and interceptor classes
2. Create a business interceptor method in the enterprise bean class
3. Create an interceptor class
4. Associate multiple business interceptor methods with an enterprise bean
5. Include life cycle callback interceptor methods in an interceptor class

Implementing Transactions

1. Describe transaction demarcation management
2. Implement CMT
3. Interact programmatically with an ongoing CMT transaction
4. Implement BMT Apply transactions to messaging

Implementing Security

1. Understand the Java EE security architecture
2. Authenticate the caller Examine Java EE authorization strategies
3. Use declarative authorization
4. Use programmatic authorization Examine the responsibilities of the deployer

Using EJB Technology Best Practices

1. Define best practices and state the benefits of using EJB technology best practices
2. Select and apply known patterns to Java EE application design
3. Incorporate effective exception handling into your Java EE application design