UML Designer User's Guide


Adding Requirement elements

By looking at the above description from our users, we might derive the following individual requirements for the system:

To add these requirements to the model, follow these steps:

  1. Select Library Catalog from the list of models in the leftmost pane of the Relationships Browser. The middle pane shows a list of possible relationships to model elements the model might contain.
  2. In the middle pane, select Requirements. The rightmost pane shows a list of requirements already defined for the model; since we haven't created any yet, the list is empty.
  3. Select New from the Relationships menu, or from the pop-up menu for the selected relationship.
  4. When prompted for the requirement name, type Keep a catalog of available books.
  5. Select OK. The new requirement appears in the list.
  6. Repeat the same process to add the other two requirements listed above.

After you have added all three requirements to the list, you can provide additional descriptive text for each requirement. To do this, select the requirement you want to describe, and then use the bottom text pane of the Relationships Browser to type the requirement text. This text pane can contain any kind of description you want to capture for the requirement; it can also contain hypertext links to other model elements. Our example's requirements are fairly straightforward and probably do not need much more explanation at this stage. Instead, let's move on to use cases.


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