UML Designer User's Guide

Linking to participants

In addition to indicating the responsibilities of a thing or actor, you can also indicate which other things or actors are collaborating participants in each responsibility. To do this, you create a link from a defined responsibility to a thing or actor that participates. (You can also specify participants along with idioms as you create a new responsibility.)

In our example, three of the responsibilities of Catalog also involve catalog entries:

Each of these is a responsibility of Catalog, but each also involves another thing, Catalog entry. Therefore, you can create a link from each of these responsibilities to the Catalog entry element to indicate that it participates. To do so, follow these steps:

  1. Select Things in the middle pane of the Relationships Browser.
  2. Double-click on Catalog. A browser opens on the Catalog element.
  3. Select Responsibilities in the middle pane of the browser.
  4. Select Add catalog entry from the list of responsibilities.
  5. Select Link>Participants from the pop-up menu of the responsibility. A window appears prompting you for the link destination.
  6. A participant can be either an actor or a thing. In this case, Catalog entry is a thing, so select Thing from the Available Types list.
  7. Select Catalog entry.
  8. Select >> to add Catalog entry to the list of linked participants.
  9. Select OK.
  10. Repeat the same process with Assign accession number to entry and Remove catalog entry, adding Catalog entry as a participant in each responsibility.
  11. Close the browser.


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