Revisions for L36.

Lectures/L36_DesignPatterns/DesignPatterns.tex

@@ -226,6 +226,25 @@ doing it the same way.''
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+\begin{frame}
+\frametitle{Strategy Design Pattern}
+
+\bi
+\item From \href{https://sourcemaking.com/design_patterns/strategy}{Source
+    Making web-page}
+\item Define a family of algorithms, encapsulate each one, and make them
+  interchangeable. 
+\item Strategy lets the algorithm vary independently from the clients that use
+  it.
+\item Capture the abstraction in an interface, bury implementation details in
+  derived classes.
+\item \structure{Where have we used this pattern?}
+\ei
+
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
 \begin{frame}
 \frametitle{UML Diagram of Measurable Interface}
 
@@ -308,13 +327,22 @@ inefficient; in other cases it may be unsafe.  This inefficiency or insecurity i
 mechanisms, which should be kept separate from both the client and the component to which it needs access.
 \item Solution: The client communicates with a representative rather than the component itself.  This representative, the
 \structure{proxy}, also does and pre- and postprocessing that is needed.
-
+\item \href{https://en.wikipedia.org/wiki/Proxy_pattern}{Code}
 \end{itemize}
 
 \end{frame}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+\begin{frame}
+\frametitle{UML Diagram of Proxy}
+
+\includegraphics[scale=0.5]{../Figures/Proxy_pattern_diagram.png}
+
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
 \begin{frame}
 \frametitle{Command Processor Pattern}
 
@@ -348,5 +376,34 @@ so on.  The actual execution of the command is delegated to a supplier component
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+\begin{frame}
+\frametitle{Adapter Design Pattern}
+
+\structure{When have we used the adapter (or wrapper) design pattern?}
+
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}
+\frametitle{Adapter Design Pattern}
+
+\includegraphics[scale=0.7]{../Figures/500px-AdapterPatternForWiki.jpg}
+
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\begin{frame}
+\frametitle{Factory Pattern}
+
+\includegraphics[scale=0.55]{../Figures/factory_pattern_uml_diagram.jpg}
+
+\href{https://www.tutorialspoint.com/design_pattern/factory_pattern.htm}{Code}
+
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
 \end{document}