Chapter 3: Business Modeling

Select the relationship on the Use Case diagram.

2.

Select Edit → Delete from Model, or press Ctrl+D.

Warning Be careful of using too many generalization relationships. Unless the reader is familiar with generalizations, they may make the diagram very difficult to understand.

Working with Organization Units

As we discussed above, an organization unit is a UML construct used to group business actors, business workers, and business use cases together. Typically, a UML organization unit corresponds to a division or group within the organization. We might have organization units called Sales, Finance, Manufacturing, and Human Resources for those divisions within the company. Each organization unit would hold the business actors, workers, and use cases appropriate for that division. It can also be helpful to create a Use Case diagram specific to that organization unit, which shows only the business actors, workers, and use cases for that unit.

As you know from earlier in this chapter, an organization unit is represented by the following symbol:

Adding Organization Units

In Rose, you can add organization units through a Use Case diagram. Once the units have been created, you can create new business actors, workers, or use cases inside them, or move existing business actors, workers, or use cases into the new unit. You can create as many organization units as you need, and create organization units within organization units to further organize the business model.

To add an organization unit:

1.

Open a Use Case diagram.

2.

Use the Organization Unit toolbar button to add a new unit. It will be named NewPackage by default, and will be automatically added to the browser.

3.

Type in the name of the new organization unit.

To move an item into an organization unit, go to the browser and drag and drop the item from its existing location to the new organization unit.

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