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<title>Define the top level</title>
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<h1 xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0">Define the top level</h1>
<div class="section" title="Define the top level">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both">
<a name="Definethetoplevel"></a>Define the top level</h2>
</div>
</div>
</div>
<p>Open the Structure from SendingDataTop and add MrPing and MrPong as a reference. Connect the ports.</p>
<p>
				
</p>
<div class="mediaobject">
<img src="images/025-SendingData13.png"></div>
<p>
			
</p>
<p>The model is finished now and the model file should look like this:</p>
<div class="literallayout">
<p></p>
</div>
<div class="literallayout">
<p>
<code class="code">RoomModel&nbsp;SendingData&nbsp;{<br>

<br>
	LogicalSystem&nbsp;SendingData_LogSystem&nbsp;{<br>
		SubSystemRef&nbsp;SendingDataAppl:&nbsp;SendingData_SubSystem<br>
	}<br>

<br>
	SubSystemClass&nbsp;SendingData_SubSystem&nbsp;{<br>
		ActorRef&nbsp;SendigDataTopRef:&nbsp;SendingDataTop<br>
	}<br>

<br>
	ActorClass&nbsp;SendingDataTop&nbsp;{<br>
		Structure&nbsp;{<br>
			ActorRef&nbsp;ref0:&nbsp;MrPing<br>
			ActorRef&nbsp;ref1:&nbsp;MrPong<br>
			Binding&nbsp;ref0.PingPongPort&nbsp;and&nbsp;ref1.PingPongPort<br>
		}<br>
		Behavior&nbsp;{&nbsp;}<br>
	}<br>

<br>
	ActorClass&nbsp;MrPing&nbsp;{<br>
		Interface&nbsp;{<br>
			conjugated&nbsp;Port&nbsp;PingPongPort:&nbsp;PingPongProtocol<br>
		}<br>
		Structure&nbsp;{<br>
			external&nbsp;Port&nbsp;PingPongPort<br>
		}<br>
		Behavior&nbsp;{<br>
						
<br>
			Operation&nbsp;printData(d:&nbsp;DemoData)&nbsp;:&nbsp;void&nbsp;{<br>
						"System.out.printf(\"d.int32Val:&nbsp;%d\\n\",d.int32Val);"<br>
						"System.out.printf(\"d.float64Val:&nbsp;%f\\n\",d.float64Val);"<br>
						"System.out.printf(\"d.int8Array:&nbsp;\");"<br>
						"for(int&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&lt;d.int8Array.length;&nbsp;i++)&nbsp;{"<br>
						"System.out.printf(\"%d&nbsp;\",d.int8Array[i]);}"<br>
						"System.out.printf(\"\\nd.stringVal:&nbsp;%s\\n\",d.stringVal);"<br>
					}<br>
					
<br>
			StateMachine&nbsp;{<br>
				Transition&nbsp;wait2:&nbsp;waitForPong&nbsp;-&gt;&nbsp;waitForPong&nbsp;{<br>
					triggers&nbsp;{<br>
						&lt;pong:&nbsp;PingPongPort&gt;<br>
					}<br>
					action&nbsp;{<br>
						"printData(data);"<br>
					}<br>
				}<br>
				Transition&nbsp;wait1:&nbsp;waitForPongSimple&nbsp;-&gt;&nbsp;waitForPongSimple&nbsp;{<br>
					triggers&nbsp;{<br>
						&lt;pongSimple:&nbsp;PingPongPort&nbsp;guard&nbsp;{<br>
							"data&nbsp;&lt;&nbsp;10"<br>
						}&gt;<br>
					}<br>
					action&nbsp;{<br>
						"//&nbsp;keep&nbsp;in&nbsp;mind&nbsp;that&nbsp;MrPong&nbsp;increments"<br>
						"PingPongPort.pingSimple(data);"<br>
						"System.out.printf(\"data:&nbsp;%d\\n\",data);"<br>
					}<br>
				}<br>
				Transition&nbsp;next:&nbsp;waitForPongSimple&nbsp;-&gt;&nbsp;waitForPong&nbsp;{<br>
					triggers&nbsp;{<br>
						&lt;pongSimple:&nbsp;PingPongPort&gt;<br>
					}<br>
					action&nbsp;{<br>
						"System.out.printf(\"data:&nbsp;%d\\n\",data);"<br>
						""<br>
						"DemoData&nbsp;d&nbsp;=&nbsp;new&nbsp;DemoData();"<br>
						"//&nbsp;send&nbsp;the&nbsp;default&nbsp;values"<br>
						"PingPongPort.ping(d);"<br>
						"d.int32Val=815;"<br>
						"for&nbsp;(int&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&lt;d.int8Array.length;i++){"<br>
						"\td.int8Array[i]=(byte)(i+100);"<br>
						"\t}"<br>
						"d.stringVal=\"some&nbsp;contents\";"<br>
						"d.float64Val=3.141234;"<br>
						"PingPongPort.ping(d);"<br>
					}<br>
				}<br>
				Transition&nbsp;init0:&nbsp;initial&nbsp;-&gt;&nbsp;waitForPongSimple&nbsp;{<br>
					action&nbsp;{<br>
						"PingPongPort.pingSimple(0);"<br>
					}<br>
				}<br>
				State&nbsp;waitForPong<br>
				State&nbsp;waitForPongSimple<br>
			}<br>
		}<br>
	}<br>

<br>
	ActorClass&nbsp;MrPong&nbsp;{<br>
		Interface&nbsp;{<br>
			Port&nbsp;PingPongPort:&nbsp;PingPongProtocol<br>
		}<br>
		Structure&nbsp;{<br>
			external&nbsp;Port&nbsp;PingPongPort<br>
		}<br>
		Behavior&nbsp;{<br>
			StateMachine&nbsp;{<br>
				Transition&nbsp;init:&nbsp;initial&nbsp;-&gt;&nbsp;looping&nbsp;{&nbsp;}<br>
				Transition&nbsp;tr0:&nbsp;looping&nbsp;-&gt;&nbsp;looping&nbsp;{<br>
					triggers&nbsp;{<br>
						&lt;ping:&nbsp;PingPongPort&gt;<br>
					}<br>
					action&nbsp;{<br>
						"PingPongPort.pong(data);"<br>
					}<br>
				}<br>
				Transition&nbsp;tr1:&nbsp;looping&nbsp;-&gt;&nbsp;looping&nbsp;{<br>
					triggers&nbsp;{<br>
						&lt;pingSimple:&nbsp;PingPongPort&gt;<br>
					}<br>
					action&nbsp;{<br>
						"PingPongPort.pongSimple(data+1);"<br>
					}<br>
				}<br>
				State&nbsp;looping<br>
			}<br>
		}<br>
	}<br>

<br>
	ProtocolClass&nbsp;PingPongProtocol&nbsp;{<br>
		incoming&nbsp;{<br>
			Message&nbsp;ping(data:&nbsp;DemoData)<br>
			Message&nbsp;pingSimple(data:&nbsp;int32)<br>
		}<br>
		outgoing&nbsp;{<br>
			Message&nbsp;pong(data:&nbsp;DemoData)<br>
			Message&nbsp;pongSimple(data:&nbsp;int32)<br>
		}<br>
	}<br>

<br>
	DataClass&nbsp;DemoData&nbsp;{<br>
		Attribute&nbsp;int32Val:&nbsp;int32&nbsp;=&nbsp;"4711"<br>
		Attribute&nbsp;int8Array&nbsp;[&nbsp;10&nbsp;]:&nbsp;int8&nbsp;=&nbsp;"{1,2,3,4,5,6,7,8,9,10}"<br>
		Attribute&nbsp;float64Val:&nbsp;float64&nbsp;=&nbsp;"0.0"<br>
		Attribute&nbsp;stringVal:&nbsp;string&nbsp;=&nbsp;"\"empty\""<br>
	}<br>
}<br>

</code>
</p>
</div>
<div class="blockquote">
<blockquote class="blockquote">
<p></p>
</blockquote>
</div>
</div>
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