Java EE 8 Design Patterns and Best Practices

封面

Title Page

Copyright and Credits

Java EE 8 Design Patterns and Best Practices

Dedication

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Contributors

About the authors

About the reviewer

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Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

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Conventions used

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Reviews

Introduction to Design Patterns

Explaining design patterns

Explaining the Gang of Four design patterns

The catalog of Gang of Four design patterns

Understanding the advantages of design patterns

Understanding the basic design patterns of the Java world

Explaining Singleton

Explaining Abstract Factory

Explaining Facade

Explaining Iterator

Explaining Proxy

Explaining enterprise patterns

Defining the difference between design patterns and enterprise patterns

Summary

Presentation Patterns

Explaining the presentation tier

Explaining intercepting filter pattern

Implementing the intercepting filter pattern using Java EE 8

Implementing LogAccessFilter

Implementing LogBrowserFilter

Deciding filter mapping

Explaining the FrontController pattern

Implementing FrontController

Implementing the commands

The application controller pattern

Implementing DownloadFrontController

Implementing DownloadApplicationController

Implementing commands

The difference between the application controller and front controller patterns

Summary

Business Patterns

Understanding the business tier

Explaining the Business Delegate pattern

Client tier presentation tier and business tier

Layers

Tiers

The classic Business Delegate pattern scenario

The benefits of the Business Delegate pattern

Business Delegate – obsolete or not

Explaining the Session Façade pattern

Benefits of Session Façade

Implementing the Session Façade pattern in JEE

The classic Session Façade pattern scenario

Implementing the Session Façade pattern

Explaining the business-object pattern

Applications with complex business rules

Motivation for using the business-object pattern

Benefits of business-object pattern usage

Implementing the business-object pattern

Summary

Integration Patterns

Explaining the concept of the integration tier

Explaining the concept of the data-access object pattern

Implementing the data-access object pattern

Implementing the entity with JPA

Implementing DAO

Explaining the concept of the domain-store pattern

Implementing the domain-store pattern

Implementing the PersistenceManagerFactory class

Implementing the PersistenceManager class

Implementing the EmployeeStoreManager class

Implementing the StageManager interface

Implementing the TransactionFactory class

Implementing the Transaction class

Implementing the EmployeeBusiness class

Explaining the concept of the service-activator pattern

Java Message Service (JMS)

EJB asynchronous methods

Asynchronous events – producers and observers

Implementing the service-activator pattern

Implementing sending and receiving messages with JMS

Implementing the EJB asynchronous methods

Implementing asynchronous events – producers and observers

Summary

Aspect-Oriented Programming and Design Patterns

Aspect-oriented programming

Compile-time versus run-time AOP

AOP in JEE scenario – the interceptor

A brief word about CDI and beans