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Creating and deploying business rules

Using WebSphere Integration Developer and WebSphere Process Server

Neil Kolban (kolban@us.ibm.com), IT Specialist, EMC
Neil Kolban is a member of IBM's TechWorks organization. His goal is to make WebSphere Integration Developer and WebSphere Process Server as easy to understand as they are to use.

Summary:  This tutorial shows you how to use WebSphere® Integration Developer to create and deploy a solution that uses business rules, and then test that solution in WebSphere Process Server. At the conclusion of this tutorial, you will have a working set of business rules deployed.

Date:  11 Oct 2006
Level:  Intermediate
PDF:  A4 and Letter (926 KB | 28 pages)Get Adobe® Reader®

Activity:  13023 views
Comments:  

Before you start

This tutorial illustrates the functions of WebSphere Process Server business rules. Business rules externalize simple algorithms and values that are used to affect the operation of a business process. These algorithms and values will change over time. They should not be embedded in code, which would make them difficult to change.

In this scenario, you are responsible for implementing a Frequent Flyer tracking system for a major airline. Whenever a passenger flies with this airline, they are awarded Frequent Flyer miles based on the actual miles flown. These miles are used to calculate redeemable awards. In addition, the passenger is given extra bonus miles based on their status in the Frequent Flyer program. There are three privileged statuses:

  • Gold
  • Silver
  • Platinum

For each of these, a different bonus mileage is applied:

  • Gold = 25%
  • Silver = 50%
  • Platinum = 100%

Our business leaders selectively add new status values as well as change the bonus award values from time to time. These are the variables in our business rules. Your task is to develop a service component that both implements and externalizes the requirement to quickly change the rules as the market changes. When completed, the service component looks like the diagram in Figure 1.


Figure 1. Logical function of rules
Figure 1. Logical function of rules

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static.content.url=http://www.ibm.com/developerworks/js/artrating/
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ArticleID=166970
TutorialTitle=Creating and deploying business rules
publish-date=10112006
author1-email=kolban@us.ibm.com
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