Building SOA-Based Composite Applications Using NetBeans IDE 6

Frank Jennings, David Salter

  • 出版商: Packt Publishing
  • 出版日期: 2008-01-08
  • 售價: $2,280
  • 貴賓價: 9.5$2,166
  • 語言: 英文
  • 頁數: 300
  • 裝訂: Paperback
  • ISBN: 1847192629
  • ISBN-13: 9781847192622
  • 相關分類: SOA
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In Detail

Composite applications aid businesses by stitching together various componentized business capabilities. In the current enterprise scenario, empowering business users to react quickly to the rapidly changing business environment is the topmost priority. With the advent of composite applications the `reuse' paradigm has moved from the technical aspect to the business aspect. You no longer re-use a service. You re-use a business process. Now enterprises can define their own behaviors optimized for their businesses through metadata and flows. This business process composition has become increasingly important for constructing business logic.

The ability of composite applications to share components between them nullifies the distinction between actual applications. Business users should be able to move between the activities they need to do without any actual awareness that they are moving from one domain to another.

The composite application design enables your company to combine multiple heterogeneous technologies into a single application, bringing key application capabilities within reach of your business user. Enterprises creating richer composite applications by leveraging existing interoperable components increase the organization's ability to respond quickly and cost-effectively to emerging business requirements.

While there are many vendors offering various graphical tools to create composite applications, this book focuses on using the BPEL service engine from the OpenESB project for solving business integration problems. Project OpenESB implements an Enterprise Service Bus runtime using Java Business Integration (JBI) as the base. This allows easy integration of web services to create loosely coupled enterprise-class composite applications.

The objective of this book is to help enterprise application architects and developers to understand various SOA tools available as part of the NetBeans IDE that will enable them to build an enterprise-grade, scalable application in a short period using a single development interface. The NetBeans SOA tools form an open-source and freely available add-on to the NetBeans IDE that is targeted for enterprise application development. This pack contains open-sourced features from Sun's Java Studio Enterprise and Java CAPS products, as well as all-new features for creating composite applications, BPEL-based web services, secure Java EE web services, and real-world XML artifacts like XML Schema and WSDL. Part of NetBeans Enterprise Pack is integrated with NetBeans 6.0, so you don't need to download additional add-ons or plug-ins if you are using NetBeans version 6.0 or higher. However, not all OpenESB components are integrated with NetBeans 6.0. For instance you may not be able to create an Intelligent Event Processor using the standard NetBeans IDE; these components can be downloaded and installed into the NetBeans IDE.

What you will learn from this book?

  • Basic understanding of SOA and BPEL Processes
  • Setting up NetBeans IDE, OpenESB runtime, and BPEL engine
  • Designing BPEL processes
  • Packaging and deploying BPEL processes
  • JBI runtime and GlassFish Application Server.
  • Using the JBI service engine in NetBeans
  • OpenESB Binding Components, Service Engines, and other tools
  • Using the WSDL Editor for enterprise applications
  • Rapid development and testing with the XML schema designer
  • Working with the Intelligent Event Processor (IEP) module and the IEP Service Engine
  • Fault handling within a BPEL process

Approach

This book introduces basic SOA concepts and shows how you can use NetBeans and OpenESB tools to design and deploy composite applications. After introducing the SOA concepts, you are introduced to various NetBeans Editors and aids that you need to understand and work with for designing a composite application. For example you are introduced to a WSDL editor before dealing with web services. The last part of the book deals with a full-fledged incremental example on how you can build a complex composite application with key screenshots accompanied by the source code available on the website.

Who this book is written for?

This book is for enterprise developers and architects interested in using NetBeans IDE and OpenESB tools to build their SOA based applications.

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複合應用程式通過結合各種組件化的業務能力,幫助企業實現業務目標。在當前的企業環境中,使業務用戶能夠快速應對快速變化的業務環境是最重要的優先事項。隨著複合應用程式的出現,“重用”範式已從技術層面轉移到業務層面。您不再重用服務,而是重用業務流程。現在,企業可以通過元數據和流程定義自己的行為,以優化其業務。這種業務流程組合對於構建業務邏輯變得越來越重要。

複合應用程式的能力可以在不同應用程式之間共享組件,從而消除了實際應用程式之間的區別。業務用戶應該能夠在不實際意識到他們正在從一個領域移動到另一個領域的情況下進行活動。

複合應用程式設計使您的公司能夠將多種異構技術結合到一個應用程式中,使業務用戶能夠輕鬆使用關鍵應用程式功能。通過利用現有的互操作組件創建更豐富的複合應用程式,企業提高了對新興業務需求的快速和具有成本效益的響應能力。

儘管有許多供應商提供各種圖形工具來創建複合應用程式,但本書專注於使用OpenESB項目的BPEL服務引擎來解決業務集成問題。OpenESB項目實現了使用Java Business Integration(JBI)作為基礎的企業服務總線運行時。這使得可以輕鬆地集成Web服務,創建鬆散耦合的企業級複合應用程式。

本書的目標是幫助企業應用程式架構師和開發人員了解NetBeans IDE中提供的各種SOA工具,以便他們能夠在短時間內使用單一開發界面構建企業級可擴展應用程式。NetBeans SOA工具是NetBeans IDE的開源和免費附加組件,專為企業應用程式開發而設計。該套件包含了來自Sun的Java Studio Enterprise和Java CAPS產品的開源功能,以及用於創建複合應用程式、基於BPEL的Web服務、安全的Java EE Web服務和現實世界的XML工件(如XML Schema和WSDL)的全新功能。NetBeans Enterprise Pack的一部分已與NetBeans 6.0集成,因此如果您使用的是NetBeans 6.0或更高版本,則無需下載其他附加組件或插件。但是,並非所有OpenESB組件都與NetBeans 6.0集成。例如,您可能無法使用標准NetBeans IDE創建智能事件處理器;這些組件可以從網上下載並安裝到NetBeans IDE中。

本書將介紹基本的SOA概念,並展示如何使用NetBeans和OpenESB工具設計和部署複合應用程式。在介紹SOA概念之後,您將了解各種NetBeans編輯器和輔助工具,以便設計複合應用程式。