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often the same: a set of enumerations. Those
enumerations are DEVS Rules. The purpose of a rule
is to represent a set of operations on specific
elements.
A rule is always composed of a condition and an
action. The Rules package (Figure 8) purpose is to
enable the description of simple rules often used in
DEVS atomic models. We finally present the core of
our meta-model, the DEVS-Models package (Figure
9). It takes into account all we said before, putting
all together.
Figure 9: The DEVSModel package.
4 CONCLUSIONS
We presented in this paper a state-of-art about
DEVS models interoperability and proposed the first
fully platform-independent meta-model for DEVS
formalism. Although this meta-model only allows
specifying simple functions, it is consistent with
classical DEVS formalism.
This meta-model has been implemented within
the Eclipse Modeling Framework and used in a
MDA approach to perform code generation. Models
were designed in EMF, then with Model-To-Text
transformations, Python code was generated. This
will be presented in another paper.
The meta-model’s modular features will help us
to improve it; the next step in our work is the
definition of complex expressions.
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