1. Rule Engine: Drools .Net Albert Guo junyuo@gmail.com 1

2. Introduction Rule engine Overview of Drools Advantages of using rule engine Demo Activity diagram Rule specification C sharp files Result Reference 2 Agenda

3. Rules Engines are the pluggable software components that separate the business rules from the application code Rule Engine 3

4. Drools is an open source rule engine Free ! Drools provides .Net and Java version Understandable rules in rule file Fast execution speed Overview of Drools 4

5. Drools – The Big Picture 5

6. Three main advantages Declarative programming Logic and data separation Centralization knowledge Drools is a rule engine advantages above Advantages of using Rules Engine 6

7. Demo 7

8. Activity Diagram 8

9. Rule Specification Package Name Rule Name Condition Consequence 9

10. Class Diagram 10

11. Expense.cs 11

12. Program.cs 12

13. Program.cs 13

14. Result 14

15. Drools.NET http://droolsdotnet.codehaus.org/ Drools.Net - 3.0 User and Installation Guide http://droolsdotnet.codehaus.org/Drools.Net+-+3.0+User+and+Installation+Guide Getting Started with Drools.NET http://www.codeproject.com/KB/cs/Drools_NETPrimer.aspx Reference 15