Demeter Ideas in AOP
Demeter Ideas are used in the following domains:
- Using several cross-cutting building blocks to describe a system.
Building blocks: Structure, Behavior, Navigation, Synchronization,
- Specifying crosscuts.
Aspect-Oriented Programming (AOP) is about tangling control.
In other words, it is about controlling the crosscutting of several issues.
A crosscut may be set of methods or objects or classes.
A subgraph of a graph can often be used to express a crosscut.
For example, a subgraph of a UML class diagram specifies a set
objects to be marshalled or a set of traversal methods
for collaborating group of classes.
The following two papers
series-parallel strategies journal paper and
show how to specify subgraphs and path sets succinctly.
This leads to a more flexible way to specify crosscuts.
- Reusable aspects.
The Demeter work has specified programs at the level
of class-valued and relation-valued variables instead of
directly with classes and relations. This higher
level is also needed for AOP to decouple aspects.
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Professor Karl J. Lieberherr
College of Computer Science, Northeastern University
Avenue of the Arts
Cullinane Hall, Boston, MA 02115-9959
Phone: (617) 373 2077 / Fax: (617) 373 5121