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Defining business rules in an OOM
254
Business rule properties
A business rule definition includes the following properties:
Property Description
Maximum
length
Name Name for the rule 254
Code Reference name for the rule 254
Comment Descriptive label for the rule —
Type Indicates whether the rule is a definition, a fact, a
formula, or a validation
—
Expression Presence of associated expression —
Notes Presence of associated notes —
Creating a business rule
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 do I describe each of these procedures, specifications, and
constraints?
♦ How do I classify these descriptions: as definitions, facts, formulas, or
validation rules?