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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

Using rule groups and rules


Business rules help you abstract points of variability away from the implementation of the business process itself. Business rules are assembled into business rule groups in WID.

Business rules

Let's see some examples of business rules:

  • If the applicant is above the age of 25, but younger than 60, married, employed full time, and has a good credit rating, then the applied mortgage rate is 4.5 percent

  • If the customer has bought three shoes of the same brand under clearance, then the third pair is free

  • If the customer is shopping in Texas, then the applied sales tax is 8.25 percent

Business rules control the behavior of a business process. They tune the business process to handle a given specific set of circumstances more efficiently. Business rules provide business policies and guidelines that can be managed independent of the application. These business rules can be externalized away from a business process, hence making the business processes decoupled and agile when...

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