Setting Decision Table Properties 
Procedure
In the Project Explorer view, expand the rules composer DC node, the Rules Modeling node, and double-click the ruleset node.
In the Outline view , choose the decision table node.
In the Decision Table Editor, expand the decision table, under the Header section, you can set the following properties to true or false for a decision table:
Return multiple matches
If this property is set to true, the engine tries to evaluate more than one condition row of a decision table even if one row is already satisfied.
Rows are mutually exclusive
The engine evaluates the next row in a decision table only when all the condition stubs of a row are satisfied. However, if this property is set to false, theengine evaluates all other rows even if all the condition stubs of a row do not get satisfied.
Note
Rows are mutually exclusive should be set to true and Return multiple matches should be set to false for normal decision table evaluation.
Example
Customer.getID() |
Customer.getName() |
Customer.setName() |
Customer.setAge() |
|---|---|---|---|
1 |
John |
a |
25 |
2 |
* |
b |
30 |
* |
* |
John |
- |
Return multiple matches
Input>
Customer id=1 , name = John
Return multiple matches - set to false
Output>
Only action of row 1 will be satisfied.
Customer name=a, age=25
Return multiple matches - set to true
Output>
Only action of row 1and row 3 will be satisfied.
Customer name=John, age=25
Rows are mutually exclusive
Input Customer id=1 , name = Kumar
Rows are mutually exclusive - set to true
No action will be fired.
Rows are mutually exclusive - set to false
Action of row 3 will be fired.