Creating a Decision Tree
To create a decision tree with the
New Decision Tree wizard:
2. On the Decision Tree page, type a name for the decision table in the Decision tree name field.
3. Select a rule project from the drop down list in the Rule project field.
If you opened the wizard from a specific rule project in the Solutions view or from the Rules Explorer view, the name of this rule project appears in the
Rule project field.
You can select any other rule project from the drop down list.
4. Select a rule set in the Rule sets field (optional).
The master rule set check box is always cleared and cannot be selected.
To create a new rule set, click
New and create the new rule set as described in
Creating a Rule Set.
6. Click the Process aware check box if you want to invoke a user task from the decision tree, see
Invoking a User Task. Selecting the check box adds a ProcessData data model that was created from the ProcessData document type in pub.prt:ProcessData as an input parameter to the decision tree (optional). This enables you to associate the ProcessData parameter to a process action input as described in
Adding an Action Result Node. For more information, see webMethods Process Development Help. 7. Type a description of the decision table in the Description field (optional). After you click Finish, the description appears in an expandable field in the upper left corner of the editor area.
8. Click Next.
9. On the Decision Tree Parameters page, select a data model. Hold down SHIFT or CTRL to select multiple data models.
10. Move the selected data model to the right side by double click, by drag and drop, or click . 11. To remove a data model from the Selected parameters list, select it and click , or press DEL. Hold down SHIFT or CTRL to select multiple data models. 12. Modify the required parameter info as explained in the following table:
Note:
You cannot modify any info of a ProcessData parameter.
For this field | You can do this |
Name | Click the name value to modify the parameter name (optional). Note: Each parameter name must be unique. |
Type | This value cannot be modified. |
I/O | Note: You must specify at least one Input and one Output parameter, or a Both parameter. |
Any | |
13. Click Next.
14. On the Decision Tree Conditions page, select a parameter element. Hold down SHIFT or CTRL to select multiple parameter elements.
15. Assign the selected parameter element to a condition by double click, by drag and drop, or click . 16. To remove a parameter element from the Selected parameter elements list, select it and click , or press DEL. Hold down SHIFT or CTRL to select multiple parameter elements. 17. Modify the required parameter element info as described in the following table:
For this field | You can do this |
Label | Click the label value to modify the parameter element name (optional). This name is used as the condition node label. Note: Each parameter element name for a condition node must be unique. |
Condition | This value cannot be modified. |
18. To change the order in the Selected parameter elements list, click and in the wizard toolbar. The initial condition node order in the editor area corresponds to the order of the parameter elements within the wizard. 19. Click Finish.
A decision tree with filled in condition nodes is created and saved to your workspace. It appears in the editor area and under
Decision Trees >
[DecisionTreeName] in the Rules Explorer view. The selected parameters appear under
Decision Trees >
[DecisionTreeName] >
[ParameterName] in the Rules Explorer view.
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