131 |
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is declared as |
132 |
|
\begin{lstlisting}[float,caption={[A classic Singleton design pattern implementation(I)] Declaration of {\tt IntegratorFactory} class.},label={appendixScheme:singletonDeclaration}] |
133 |
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|
134 |
< |
class IntegratorFactory { |
135 |
< |
public: |
136 |
< |
static IntegratorFactory* getInstance(); |
134 |
> |
class IntegratorFactory { |
135 |
> |
public: |
136 |
> |
static IntegratorFactory* getInstance(); |
137 |
|
protected: |
138 |
|
IntegratorFactory(); |
139 |
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private: |
140 |
|
static IntegratorFactory* instance_; |
141 |
< |
}; |
141 |
> |
}; |
142 |
> |
|
143 |
|
\end{lstlisting} |
144 |
|
The corresponding implementation is |
145 |
|
\begin{lstlisting}[float,caption={[A classic implementation of Singleton design pattern (II)] Implementation of {\tt IntegratorFactory} class.},label={appendixScheme:singletonImplementation}] |
152 |
|
} |
153 |
|
return instance_; |
154 |
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} |
155 |
+ |
|
156 |
|
\end{lstlisting} |
157 |
|
Since constructor is declared as {\tt protected}, a client can not |
158 |
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instantiate {\tt IntegratorFactory} directly. Moreover, since the |
174 |
|
corresponding creator for the type identifier and returns its |
175 |
|
result. |
176 |
|
\begin{lstlisting}[float,caption={[The implementation of Factory pattern (I)].},label={appendixScheme:factoryDeclaration}] |
175 |
– |
class IntegratorCreator; |
176 |
– |
class IntegratorFactory { |
177 |
– |
public: |
178 |
– |
typedef std::map<string, IntegratorCreator*> CreatorMapType; |
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|
178 |
< |
bool registerIntegrator(IntegratorCreator* creator); |
178 |
> |
class IntegratorFactory { |
179 |
> |
public: |
180 |
> |
typedef std::map<string, IntegratorCreator*> CreatorMapType; |
181 |
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|
182 |
< |
Integrator* createIntegrator(const string& id, SimInfo* info); |
182 |
> |
bool registerIntegrator(IntegratorCreator* creator); |
183 |
|
|
184 |
< |
private: |
185 |
< |
CreatorMapType creatorMap_; |
186 |
< |
}; |
184 |
> |
Integrator* createIntegrator(const string& id, SimInfo* info); |
185 |
> |
|
186 |
> |
private: |
187 |
> |
CreatorMapType creatorMap_; |
188 |
> |
}; |
189 |
> |
|
190 |
|
\end{lstlisting} |
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|
192 |
|
\begin{lstlisting}[float,caption={[The implementation of Factory pattern (II)].},label={appendixScheme:factoryDeclarationImplementation}] |
190 |
– |
bool IntegratorFactory::unregisterIntegrator(const string& id) { |
191 |
– |
return creatorMap_.erase(id) == 1; |
192 |
– |
} |
193 |
|
|
194 |
< |
Integrator* |
195 |
< |
IntegratorFactory::createIntegrator(const string& id, SimInfo* info) { |
196 |
< |
CreatorMapType::iterator i = creatorMap_.find(id); |
197 |
< |
if (i != creatorMap_.end()) { |
198 |
< |
//invoke functor to create object |
199 |
< |
return (i->second)->create(info); |
200 |
< |
} else { |
201 |
< |
return NULL; |
202 |
< |
} |
194 |
> |
bool IntegratorFactory::unregisterIntegrator(const string& id) { |
195 |
> |
return creatorMap_.erase(id) == 1; |
196 |
> |
} |
197 |
> |
|
198 |
> |
Integrator* IntegratorFactory::createIntegrator(const string& id, |
199 |
> |
SimInfo* info) { |
200 |
> |
CreatorMapType::iterator i = creatorMap_.find(id); |
201 |
> |
if (i != creatorMap_.end()) { |
202 |
> |
return (i->second)->create(info); |
203 |
> |
} else { |
204 |
> |
return NULL; |
205 |
|
} |
206 |
+ |
} |
207 |
+ |
|
208 |
|
\end{lstlisting} |
209 |
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|
210 |
|
\begin{lstlisting}[float,caption={[The implementation of Factory pattern (III)].},label={appendixScheme:integratorCreator}] |
211 |
|
|
212 |
< |
class IntegratorCreator { |
212 |
> |
class IntegratorCreator { |
213 |
|
public: |
214 |
|
IntegratorCreator(const string& ident) : ident_(ident) {} |
215 |
|
|
219 |
|
|
220 |
|
private: |
221 |
|
string ident_; |
222 |
< |
}; |
222 |
> |
}; |
223 |
|
|
224 |
< |
template<class ConcreteIntegrator> |
225 |
< |
class IntegratorBuilder : public IntegratorCreator { |
224 |
> |
template<class ConcreteIntegrator> |
225 |
> |
class IntegratorBuilder : public IntegratorCreator { |
226 |
|
public: |
227 |
|
IntegratorBuilder(const string& ident) : IntegratorCreator(ident) {} |
228 |
|
virtual Integrator* create(SimInfo* info) const { |
229 |
|
return new ConcreteIntegrator(info); |
230 |
|
} |
231 |
< |
}; |
231 |
> |
}; |
232 |
|
\end{lstlisting} |
233 |
|
|
234 |
|
\subsection{\label{appendixSection:visitorPattern}Visitor} |
245 |
|
|
246 |
|
\begin{figure} |
247 |
|
\centering |
248 |
< |
\includegraphics[width=\linewidth]{architecture.eps} |
248 |
> |
\includegraphics[width=\linewidth]{visitor.eps} |
249 |
|
\caption[The architecture of {\sc OOPSE}] {Overview of the structure |
250 |
|
of {\sc OOPSE}} \label{appendixFig:visitorUML} |
251 |
|
\end{figure} |
252 |
|
|
253 |
|
\begin{lstlisting}[float,caption={[The implementation of Visitor pattern (I)]Source code of the visitor classes.},label={appendixScheme:visitor}] |
254 |
< |
class BaseVisitor{ |
255 |
< |
public: |
256 |
< |
virtual void visit(Atom* atom); |
257 |
< |
virtual void visit(DirectionalAtom* datom); |
258 |
< |
virtual void visit(RigidBody* rb); |
259 |
< |
}; |
254 |
> |
|
255 |
> |
class BaseVisitor{ |
256 |
> |
public: |
257 |
> |
virtual void visit(Atom* atom); |
258 |
> |
virtual void visit(DirectionalAtom* datom); |
259 |
> |
virtual void visit(RigidBody* rb); |
260 |
> |
}; |
261 |
> |
|
262 |
|
\end{lstlisting} |
263 |
|
|
264 |
|
\begin{lstlisting}[float,caption={[The implementation of Visitor pattern (II)]Source code of the element classes.},label={appendixScheme:element}] |
259 |
– |
class StuntDouble { |
260 |
– |
public: |
261 |
– |
virtual void accept(BaseVisitor* v) = 0; |
262 |
– |
}; |
265 |
|
|
266 |
< |
class Atom: public StuntDouble { |
267 |
< |
public: |
268 |
< |
virtual void accept{BaseVisitor* v*} {v->visit(this);} |
269 |
< |
}; |
266 |
> |
class StuntDouble { |
267 |
> |
public: |
268 |
> |
virtual void accept(BaseVisitor* v) = 0; |
269 |
> |
}; |
270 |
|
|
271 |
< |
class DirectionalAtom: public Atom { |
272 |
< |
public: |
273 |
< |
virtual void accept{BaseVisitor* v*} {v->visit(this);} |
274 |
< |
}; |
271 |
> |
class Atom: public StuntDouble { |
272 |
> |
public: |
273 |
> |
virtual void accept{BaseVisitor* v*} { |
274 |
> |
v->visit(this); |
275 |
> |
} |
276 |
> |
}; |
277 |
|
|
278 |
< |
class RigidBody: public StuntDouble { |
279 |
< |
public: |
280 |
< |
virtual void accept{BaseVisitor* v*} {v->visit(this);} |
281 |
< |
}; |
278 |
> |
class DirectionalAtom: public Atom { |
279 |
> |
public: |
280 |
> |
virtual void accept{BaseVisitor* v*} { |
281 |
> |
v->visit(this); |
282 |
> |
} |
283 |
> |
}; |
284 |
|
|
285 |
+ |
class RigidBody: public StuntDouble { |
286 |
+ |
public: |
287 |
+ |
virtual void accept{BaseVisitor* v*} { |
288 |
+ |
v->visit(this); |
289 |
+ |
} |
290 |
+ |
}; |
291 |
+ |
|
292 |
|
\end{lstlisting} |
293 |
|
\section{\label{appendixSection:concepts}Concepts} |
294 |
+ |
|
295 |
+ |
\begin{figure} |
296 |
+ |
\centering |
297 |
+ |
\includegraphics[width=\linewidth]{heirarchy.eps} |
298 |
+ |
\caption[Class heirarchy for StuntDoubles in {\sc OOPSE}]{ The class |
299 |
+ |
heirarchy of StuntDoubles in {\sc OOPSE}.} |
300 |
+ |
\label{oopseFig:heirarchy} |
301 |
+ |
\end{figure} |
302 |
|
|
303 |
|
OOPSE manipulates both traditional atoms as well as some objects |
304 |
|
that {\it behave like atoms}. These objects can be rigid |
305 |
|
collections of atoms or atoms which have orientational degrees of |
306 |
< |
freedom. Here is a diagram of the class heirarchy: |
306 |
> |
freedom. A diagram of the class heirarchy is illustrated in |
307 |
> |
Fig.~\ref{oopseFig:heirarchy}. |
308 |
|
|
287 |
– |
%\begin{figure} |
288 |
– |
%\centering |
289 |
– |
%\includegraphics[width=3in]{heirarchy.eps} |
290 |
– |
%\caption[Class heirarchy for StuntDoubles in {\sc oopse}-3.0]{ \\ |
291 |
– |
%The class heirarchy of StuntDoubles in {\sc oopse}-3.0. The |
292 |
– |
%selection syntax allows the user to select any of the objects that |
293 |
– |
%are descended from a StuntDouble.} \label{oopseFig:heirarchy} |
294 |
– |
%\end{figure} |
309 |
|
|
310 |
|
\begin{itemize} |
311 |
|
\item A {\bf StuntDouble} is {\it any} object that can be manipulated by the |