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  • Book Overview & Buying Application Development for IBM WebSphere Process Server 7 and Enterprise Service Bus 7
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Application Development for IBM WebSphere Process Server 7 and Enterprise Service Bus 7

Application Development for IBM WebSphere Process Server 7 and Enterprise Service Bus 7

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Application Development for IBM WebSphere Process Server 7 and Enterprise Service Bus 7

Application Development for IBM WebSphere Process Server 7 and Enterprise Service Bus 7

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Overview of this book

By adopting an SOA approach in Business Process Management (BPM), you can make your application flexible, reusable, and adaptable to new developments. The SOA approach also gives you the potential to lower costs (from reuse), and increase revenue (from adaptability and flexibility). However, integrating basic SOA constructs (such as Process, Business Services, and Components) and core building blocks of BPM (such as Process Modeling and Enterprise Service Bus) in a real-world application can be challenging.This book introduces basic concepts of Business Integration, SOA Fundamentals, and SOA Programming Model and implements them in numerous examples. It guides you to building an Order Management application from scratch using the principles of Business Process Management and Service Oriented Architecture and using WebSphere Process Server (WPS) and WebSphere Enterprise Service Bus (WESB). The various detailed aspects, features, and capabilities of the product are conveyed through examplesWe begin with essential concepts on Business Integration, SOA Fundamentals and SOA Programming Model. Then we set up the development environment to build your first Hello Process and Hello Mediation applications.Gradually, we build an SOA-based Order Management Application. We cover important aspects and functions of WPS and WESB with numerous practical examples. We show how to analyze your application's business requirements and check if an SOA approach is appropriate for your project. Then you do a top-down decomposition of your application and identify its use cases, business processes, and services. Having built the SOA Application, we introduce you to various non-functional topics, including: Administration, Governance, Management, Monitoring, and Security. We also discuss deployment topologies for WPS and WESB, performance tuning, and recommended practices.
Table of Contents (20 chapters)
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Application Development for IBM WebSphere Process Server 7 and Enterprise Service Bus 7
Credits
About the Authors
About the Reviewers
Preface
1
WID, WPS, and WESB Tips, Tricks, and Pointers
2
Index

Chapter 9. Building the Order Handling Processes

In this chapter, we will build the Process Services modules—ProcessServices-OrderHandling and ProcessServices-CustomerInterfaceManagement, and the associated business processes (BPELs) that we identified. As we build these modules incrementally in the respective assembly diagrams, we will initially import the exports with SCA bindings from the Business Services modules that will have no implementation behind them (we will build the Business Services and Access Services modules in Chapter 10, Integration with Various Applications). As we build these BPELs, we will accommodate the business, technical, and Non-Functional Requirements (NFRs), including fault handling, human task management, data mappings, and so on. We will see how they deal with various implementation issues and the design decisions they make appropriately. This chapter will explain the following topics:

  • BPEL development steps

  • Using business rules in the process

  • Implementing human...

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