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<div id="toc" class="toc2">
<div id="toctitle">Eclipse CommaSuite</div>
<ul class="sectlevel1"><li><a style="" href="javascript:navigatePage('../index.html')">Home</a></li><li><a style="" href="javascript:navigatePage('../site/download.html')">Download</a></li><li><a style="" href="javascript:navigatePage('../site/developers.html')">Developers</a></li><li><a style="" href="javascript:navigatePage('../site/publications.html')">Publications</a></li><li><a style="" href="javascript:navigatePage('../user_guide.html')">User guide</a><ul class="sectlevel2"><li><a style="" href="javascript:navigatePage('../overview/intro.html')">Language overview</a><ul class="sectlevel3"><li><a style="" href="javascript:navigatePage('../overview/gettingstarted.html')">Getting started</a><ul class="sectlevel4"></ul></li><li><a style="" href="javascript:navigatePage('../language/language.html')">Language</a><ul class="sectlevel4"><li><a style="" href="javascript:navigatePage('../language/types.html')">Types</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('../language/interfaces.html')">Interface signatures</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('../language/statemachines.html')">Interfaces</a><ul class="sectlevel5"><li><a style="" href="javascript:navigatePage('../language/states.html')">States</a><ul class="sectlevel6"></ul></li><li><a style="" href="javascript:navigatePage('../language/transitions.html')">Transitions</a><ul class="sectlevel6"></ul></li><li><a style="" href="javascript:navigatePage('../language/timing_constraints.html')">Timing constraints</a><ul class="sectlevel6"></ul></li><li><a style="" href="javascript:navigatePage('../language/data_constraints.html')">Data constraints</a><ul class="sectlevel6"></ul></li><li><a style="" href="javascript:navigatePage('../language/generic_constraints.html')">Generic constraints</a><ul class="sectlevel6"></ul></li></ul></li><li><a style="" href="javascript:navigatePage('../language/components.html')">Components</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('../language/expressions.html')">Statements and expressions</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('../language/comments.html')">Documenting models</a><ul class="sectlevel5"></ul></li></ul></li></ul></li><li><a style="" href="javascript:navigatePage('../generators/generators.html')">Generator tasks</a><ul class="sectlevel3"><li><a style="" href="javascript:navigatePage('../generators/umlgeneration.html')">Generation of UML diagrams</a><ul class="sectlevel4"></ul></li><li><a style="" href="javascript:navigatePage('../generators/docgeneration.html')">Document generation</a><ul class="sectlevel4"></ul></li><li><a style="" href="javascript:navigatePage('../generators/monitoring.html')">Monitoring</a><ul class="sectlevel4"></ul></li><li><a style="" href="javascript:navigatePage('../generators/reachabilitygraph.html')">Reachability graph</a><ul class="sectlevel4"></ul></li><li><a style="" href="javascript:navigatePage('../generators/testgeneration.html')">Test generation</a><ul class="sectlevel4"></ul></li></ul></li><li><a style="" href="javascript:navigatePage('intro.html')">Tutorial</a><ul class="sectlevel3"><li><a style="" href="javascript:navigatePage('preparation.html')">Preparation</a><ul class="sectlevel4"></ul></li><li><a style="" href="javascript:navigatePage('serviceinterface.html')">Service interface</a><ul class="sectlevel4"><li><a style="" href="javascript:navigatePage('activity1.html')">Activity 1: Get familiar with the Vending Machine</a><ul class="sectlevel5"></ul></li><li><a style="font-weight: bold" href="javascript:navigatePage('activity2.html')">Activity 2: Make an initial specification of the service interface</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('activity3.html')">Activity 3: Check an execution trace against the state machine</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('activity4.html')">Activity 4: Extend the specification of the service interface</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('activity5.html')">Activity 5: Add a time constraint</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('activity6.html')">Activity 6: Documentation generation</a><ul class="sectlevel5"></ul></li></ul></li><li><a style="" href="javascript:navigatePage('coincheckinterface.html')">Coin checker interface</a><ul class="sectlevel4"><li><a style="" href="javascript:navigatePage('activity7.html')">Activity 7: State machine of the coin checker</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('activity8.html')">Activity 8: Check the specified interfaces by monitoring</a><ul class="sectlevel5"></ul></li></ul></li><li><a style="" href="javascript:navigatePage('userinterface.html')">User interface</a><ul class="sectlevel4"><li><a style="" href="javascript:navigatePage('activity9.html')">Activity 9: State machine of the user interface</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('activity10.html')">Activity 10: Check the specified interfaces by monitoring</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('activity11.html')">Activity 11: Define time constraints</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('activity12.html')">Activity 12: Define a data constraint</a><ul class="sectlevel5"></ul></li></ul></li><li><a style="" href="javascript:navigatePage('componentmodel.html')">Component model</a><ul class="sectlevel4"><li><a style="" href="javascript:navigatePage('activity13.html')">Activity 13: Define component and add functional constraint</a><ul class="sectlevel5"></ul></li><li><a style="" href="javascript:navigatePage('activity14.html')">Activity 14: Define additional component constraints</a><ul class="sectlevel5"></ul></li></ul></li><li><a style="" href="javascript:navigatePage('concludingremarks.html')">Concluding remarks</a><ul class="sectlevel4"></ul></li></ul></li><li><a style="" href="javascript:navigatePage('../commandline/commandline.html')">Command line tool</a><ul class="sectlevel3"></ul></li><li><a style="" href="javascript:navigatePage('../eventfiles/eventfiles.html')">Event files</a><ul class="sectlevel3"></ul></li><li><a style="" href="javascript:navigatePage('../shortcuts/shortcuts.html')">Shortcuts</a><ul class="sectlevel3"></ul></li><li><a style="" href="javascript:navigatePage('../problems/problemsolving.html')">Problem solving</a><ul class="sectlevel3"></ul></li></ul></li></ul>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_activity_2_make_an_initial_specification_of_the_service_interface"><a class="anchor" href="#_activity_2_make_an_initial_specification_of_the_service_interface"></a>Activity 2: Make an initial specification of the service interface</h2>
<div class="sectionbody">
<div class="paragraph normal">
<p>The goal of this activity is to create an initial version of
a state machine model for the service interface.
Open file <em>IService.interface</em> and modify the dummy state machine such that
it matches the following description:</p>
</div>
<div class="ulist">
<ul>
<li>
<p>Initially the vending machine only accepts the <em>SwitchOn</em> command,
which leads to result OK and the machine becomes operational.</p>
</li>
<li>
<p>When the machine is operational, it accepts command <em>LoadProduct</em>.
Moreover it can be switched off by the <em>SwitchOff</em> signal.</p>
</li>
</ul>
</div>
<div class="admonitionblock tip">
<table>
<tr>
<td class="icon">
<i class="fa icon-tip" title="Tip"></i>
</td>
<td class="content">
<div class="ulist">
<ul>
<li>
<p><strong>Ctrl-space</strong> provides templates for various types of transitions.</p>
</li>
<li>
<p>Use <span class="maroon">reply</span> for a void command such as <em>LoadProduct</em>.</p>
</li>
</ul>
</div>
</td>
</tr>
</table>
</div>
<div class="paragraph">
<p>When ready with the state machine,
extend the project file with a generator for UML diagrams as follows.<br>
Open file <em>VendingMachine.prj</em>,
place the cursor between the two brackets and
use Ctrl-space to inspect the possible generators;
select "Generate UML Block" by double clicking. Save the .prj file.</p>
</div>
<div class="paragraph">
<p>Next right-click on file <em>VendingMachine.prj</em>
(or somewhere in the editor of the file) and choose
"Execute CommaSuite Workflow".</p>
</div>
<div class="ulist">
<ul>
<li>
<p>In the lower right corner there is an indication in green while the workflow is
being executed.</p>
</li>
<li>
<p>When finished, the result can be inspected in folder <em>src-gen/uml</em>.</p>
</li>
<li>
<p>Since the project file contains a task to generate UML, the CommaSuite tool
generates UML state machine diagrams in the form of</p>
<div class="ulist">
<ul>
<li>
<p><em>.png</em> files; note that there are reduced version of the state machine
which is convenient for large state machines</p>
</li>
<li>
<p><em>.plantUML</em> files; to show the diagram,</p>
<div class="ulist">
<ul>
<li>
<p>open the file (in case a pop-up occurs, select "Associate '*.plantuml' files
with the current editor &#8230;&#8203; ")</p>
</li>
<li>
<p>open the PlantUML view; go to menu Window/Show View/Other&#8230;&#8203; ,
expand the <em>PlantUML</em> folder and choose <em>PlantUML</em>.<br></p>
<div class="admonitionblock tip">
<table>
<tr>
<td class="icon">
<i class="fa icon-tip" title="Tip"></i>
</td>
<td class="content">
<div class="paragraph">
<p>PlantUML files are displayed using Graphviz. Sometimes showing the correct diagram requires a few repeated clicks in source and view.
If diagrams are not displayed, check the installation manual on the GraphViz installation.</p>
</div>
</td>
</tr>
</table>
</div>
</li>
</ul>
</div>
</li>
</ul>
</div>
</li>
</ul>
</div>
</div>
</div>
</div>
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