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| <h3 class="sectionHead"><span class="titlemark">3.4 </span> <a |
| id="x18-830003.4"></a>Dynamic Actors 4</h3> |
| <!--l. 206--><p class="noindent" >This example is contained in <span |
| class="ec-lmtt-10">org.eclipse.etrice.examples.dynamicactors4</span>. |
| </p><!--l. 208--><p class="noindent" > |
| </p> |
| <h4 class="subsectionHead"><span class="titlemark">3.4.1 </span> <a |
| id="x18-840003.4.1"></a>Purpose</h4> |
| <!--l. 210--><p class="noindent" >The example demonstrates the usage of an optional actor. But here not the actor containing the optional reference is |
| communicating with the optional actor but one level above. |
| </p><!--l. 213--><p class="noindent" > |
| </p> |
| <h4 class="subsectionHead"><span class="titlemark">3.4.2 </span> <a |
| id="x18-850003.4.2"></a>Details</h4> |
| <!--l. 215--><p class="noindent" >The <span |
| class="ec-lmtt-10">Controller </span>which has a reference to the <span |
| class="ec-lmtt-10">Container </span>is asking the latter for the creation of the dynamic actor. When it |
| receives <span |
| class="ec-lmtt-10">ok() </span>it is requesting <span |
| class="ec-lmtt-10">sayHello() </span>from the newly created actor. |
| </p><!--l. 219--><p class="noindent" >After the <span |
| class="ec-lmtt-10">Controller </span>receives <span |
| class="ec-lmtt-10">hello() </span>it tells the <span |
| class="ec-lmtt-10">Container </span>to create another actor which fails because the old one is still |
| in place. |
| </p><!--l. 222--><p class="noindent" > |
| </p> |
| <h4 class="subsectionHead"><span class="titlemark">3.4.3 </span> <a |
| id="x18-860003.4.3"></a>Noteworthy</h4> |
| <ul class="itemize1"> |
| <li class="itemize">the generated MSC <span |
| class="ec-lmtt-10">main_Async.seq </span>is a good illustration of the dynamic changes in the system structure</li></ul> |
| |
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