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Dr. Jones then
diagrams the focus set in a variant of a UML object model. These diagrams contain the structural
elements the programmer
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might want to
manipulate, like classes, methods and properties, as well as dependencies
among them, in this case a has-a relation between Vehicle and Engine.
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The next phase
of the interaction is for the programmer to tell Dr. Jones what he wants to
do to the program.
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This is the
crucial step in the interaction, because how well Dr. Jones understands these
intentions will determine how well it can diagram the software.
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Fortunately,
there is a common way emerging for describing how to change programs (I.e.
fowler’s refactorings).
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Dr. Jones will
be able to interpret intentions based on a vocabulary of these refactorings
(to be described later).
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