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80 lines
3.4 KiB
TeX
80 lines
3.4 KiB
TeX
\documentclass[../dissertation.tex]{subfiles}
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\begin{document}
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\section{Solution Stack}
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\begin{itemize}
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\item There would be around 3 main components to this tester
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\begin{itemize}
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\item Formal Model
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\item Flight Simulator plugin
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\item Checklist Tester (to connect the formal model and flight simulator)
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\end{itemize}
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\item As VDM-SL is being used, it uses VDMJ to parse the model~\cite{vdmj}. This was a starting
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point for the tech stack, as VDMJ is also open source.
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\item VDMJ is written in Java~\cite{vdmj}, therefore to simplify implementing VDMJ into the
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Checklist Tester, it would be logical to use a Java virtual machine (JVM) language.
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\end{itemize}
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\subsection{Formal Model}
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\begin{itemize}
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\item There were a few ways of implementing the formal model into another application
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\item Some of these methods were provided by Overture~\cite{overture-remote}
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\begin{itemize}
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\item RemoteControl interface
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\item VDMTools API~\cite{vdmtoolbox-api}
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\end{itemize}
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\item However, both of these methods did not suit what was required as most of the
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documentation for RemoteControl was designed for the Overture Tool IDE. VDMTools
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may have handled the formal model differently
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\item The choice was to create a VDMJ wrapper, as the modules are available on Maven
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\end{itemize}
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\subsection{Checklist Tester}
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\subsubsection{JVM Langauge}
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\begin{itemize}
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\item There are multiple langauges that are made for or support JVMs~\cite{jvm-alt-lang}
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\item Requirements for language
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\begin{itemize}
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\item Be able to interact with Java code because of VDMJ
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\item Have Graphical User Interface (GUI) libraries
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\item Have good support (the more popular, the more resources available)
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\end{itemize}
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\item The main contenders were Java and Kotlin~\cite{kotlin}
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\item Kotlin~\cite{kotlin} was the choice in the end as Google has been putting Kotlin first
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instead of Java. Kotlin also requires less boilerplate code (e.g. getters and setters)~\cite{android-kotlin}
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\end{itemize}
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\subsubsection{Graphical User Interface}
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\begin{itemize}
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\item As the tester is going to include a UI, the language choice was still important
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\item There are a variety of GUI libraries to consider using
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\begin{itemize}
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\item JavaFX~\cite{javafx}
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\item Swing~\cite{flatlaf}
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\item Compose Multiplatform~\cite{compose}
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\end{itemize}
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\item The decision was to use Compose Multiplatform in the end, due to time limitations and
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having prior experience in using Flutter~\cite{flutter}
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\item Compose Multiplatform has the ability to create a desktop application and a server,
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which would allow for leeway if a server would be needed
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\end{itemize}
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\subsection{Flight Simulator Plugin}
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\begin{itemize}
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\item There are two main choices for flight simulators that can be used
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for professional simulation
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\begin{itemize}
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\item X-Plane~\cite{x-plane}
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\item Prepar3D~\cite{p3d}
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\end{itemize}
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\item X-Plane was the choice due to having better documentation for the SDK, and a variety
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of development libraries for the simulator itself
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\item For the plugin itself, there was already a solution developed by NASA, X-Plane Connect~\cite{xpc}
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that is more appropriate due to the time limitations and would be more likely to be reliable
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as it has been developed since 2015
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\end{itemize}
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\end{document}
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