Define Computation Rules

Context Menu

Open diagram | Right-click on a Rule Task element | Rule Composer > Computation Rule Table

1

In the Project Browser, expand the appropriate business entity Class in the Business Domain model, and drag the attribute that represents the computed action into the 'Computation Rule Actions' field.

Alternatively, you can use Intelli-sense in both the 'Computation Rule Actions' field and the 'Expression' field to display a list of possible Classes and attributes:

1. Press Ctrl+Spacebar in the field to display the list of Classes.
2. Double-click on the required Class, and type . (period) after it; a list of attributes for that Class displays automatically.
3. Double-click on the required attribute.

2

In the 'Expression' field, complete the expression to be evaluated. For example:

     If computing Rule 4 above, and you have selected Rent.RentPayable in the 'Expression' field,

     then type *1.1 immediately after it.

3

In the 'Rule Bindings' field, click on the drop-down arrow and select the number of the rule being modeled (as listed in the Rule table) to link the computation data to the rule.

4

If the rule depends on another rule being satisfied first (as for Rule 2 above), type the number of that rule in the 'Rule Dependency' field.

5

Click on the Save icon in the Rule Composer toolbar to save the computation rule.

If the computation rule is also a Rule Conditions rule, add the condition variable in the Decision table and bind the appropriate rule in the 'Rule Bind' section.