iAnywhere Water System User Manual

Chapter 2 Building an Object-Oriented Model
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At generation, validation rule variables are instantiated with the following
values:
Variable Value
%ATTRIBUTE% Code of the attribute to which the business rule applies
%DOMAIN% Code of the domain to which the business rule applies
%CLASS% Code of the class to which the business rule applies
%MINMAX% Minimum and maximum values for the attribute or domain
%LISTVAL% List values for the entity attribute or domain
%RULES% Server validation rules for the entity attribute or domain
$ For more information on defining business rules, see the chapter Using
Business Rules.
v To use a validation rule in check parameters:
1 Click the Rules tab in the property sheet of a class, attribute, or domain.
The Rules page appears.
2 Click the Add Rules tool.
A list appears displaying the available business rules in the model.
3 Select a business rule in the list.
4 Click OK in each of the dialog boxes.
Validation rule expressions
You must click the Rules button to modify the expression attached to
a validation rule. You can also modify validation rule expressions
from the list of business rules, by clicking the Define button.