Tools Support - Model-Driven and Software Product Line Engineering - page 161

specific transformation rules that we developed as product line
architects.
Figure 6.2. Examples of buildings created by building architects
Figure 6.3 presents the stages to configure and derive
products.ToconfigurediverseSmart-Homesystems,ontheone
hand, facilities designers have three features from the facilities
feature model (see Figure 4.11): Fingerprint , Keypad , and
Automatic Windows . On the other hand, software architects
have two features from the architecture feature model (see
Figure 4.12): Periodic and Service . We have created
specific transformation rules for deriving products, taking
into account possible configurations the designers can create.
For instance, we created one specific transformation rule for
creating automatic windows. This transformation rule is re-
used each time an automatic window is created.
In the second configuration stage (see Figure 6.3), facilities
designers relate facilities to structural elements of buildings.
For example, the Small Building can be configured to use
Fingerprint in the Main Door as lock door control and
Keypad in the Back Door . Similarly, each window can be
individually configured as an Automatic or Manual Window .
Table 6.1 presents the possible fine-grained configurations
a facilities designer can create from the Small Building
taking into account the variants Fingerprint , Keypad , and
Automatic Windows . These are the 16 possible Smart-Home
systems.