Chapter 13 Using Business Rules in an OOM

Creating a business rule in an OOM

Before you create business rules, formulate your rules by asking yourself the following questions:

• What business problems do I want to address?
• Are there any procedures that my system must respect?
• Do any specifications dictate the scope of my project?
• Do any constraints limit my options?
• How can each of these procedures, specifications, and constraints be described?
• How can each of these descriptions be classified? Possible classifications are definitions, facts, formulas, requirements or validation rules

To create a business rule in an OOM:

1. Select Model→Business Rules to display the List of Business Rules. It displays the business rules defined for the model.
   
2. Click a blank line in the list.
   
   or
   
   Click the Add a Row tool.
   
   An arrow appears at the beginning of the line.
3. Type a name and a code for the business rule.
4. Click Apply.
   
   The creation of the new business rule is committed.
5. Click the new business rule line.
   
   An arrow appears at the beginning of the line.
6. Click the Properties tool.
   
   or
   
   Double click the arrow at the beginning of the line.
   
   The property sheet for the new business rule appears.
7. Click the General tab and select a business rule type from the Type dropdown listbox.
8. Click OK in each of the dialog boxes.

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