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diff --git a/plugins/org.eclipse.etrice.doc/help/Layering2.html b/plugins/org.eclipse.etrice.doc/help/Layering2.html new file mode 100644 index 000000000..59b5adf7a --- /dev/null +++ b/plugins/org.eclipse.etrice.doc/help/Layering2.html @@ -0,0 +1,128 @@ +<html> +<head> +<META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>Layering</title> +<link href="book.css" rel="stylesheet" type="text/css"> +<meta content="DocBook XSL Stylesheets V1.75.1" name="generator"> +<link rel="home" href="index.html" title="eTrice User Guide"> +<link rel="up" href="ROOMConcepts.html" title="ROOM Concepts"> +<link rel="prev" href="DataClass.html" title="DataClass"> +<link rel="next" href="FiniteStateMachines.html" title="Finite State Machines"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<h1 xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0">Layering</h1> +<div class="section" title="Layering"> +<div class="titlepage"> +<div> +<div> +<h2 class="title" style="clear: both"> +<a name="Layering2"></a>Layering</h2> +</div> +</div> +</div> +<div class="section" title="Description"> +<div class="titlepage"> +<div> +<div> +<h3 class="title"> +<a name="Description5"></a>Description</h3> +</div> +</div> +</div> +<p>In addition to the Actor containment hierarchies, Layering provides another method to hierarchically structure a software system. Layering and actor hierarchies with port to port connections can be mixed on every level of granularity.</p> +<div class="orderedlist"> +<ol class="orderedlist" type="1"> +<li class="listitem"> +<p>an ActorClass can define a Service Provision Point (SPP) to publish a specific service, defined by a ProtocolClass</p> +</li> +<li class="listitem"> +<p>an ActorClass can define a Service Access Point (SAP) if it needs a service, defined by a ProtocolClass</p> +</li> +<li class="listitem"> +<p>for a given Actor hierarchy, a LayerConnection defines which SAP will be satisfied by (connected to) which SPP</p> +</li> +</ol> +</div> +</div> +<div class="section" title="Notation"> +<div class="titlepage"> +<div> +<div> +<h3 class="title"> +<a name="Notation5"></a>Notation</h3> +</div> +</div> +</div> +<table title="Title" frame="box" border="2" cellpadding="3" cellspacing="0" id="N10F65"> +<tr> + +<td align="center"> + <span class="bold"><strong>Description</strong></span></td> + <td align="center"> + <span class="bold"><strong>Graphical Notation</strong></span></td> + <td align="center"> + <span class="bold"><strong>Textual Notation</strong></span></td> + +</tr> +<tr> + +<td>The Layer Connections in this model define which services are provided by the + <span class="emphasis"><em>ServiceLayer</em></span> ( + <span class="emphasis"><em>digitalIO</em></span> and + <span class="emphasis"><em>timer</em></span>)</td> + <td> + +<div class="mediaobject"> +<img src="images/040-LayeringModel.png"></div> +</td> + <td> + +<div class="mediaobject"> +<img src="images/040-LayeringModelTextual.png"></div> +</td> + +</tr> +<tr> + +<td>The implementation of the services (SPPs) can be delegated to sub actors. In this case the actor + <span class="emphasis"><em>ServiceLayer</em></span> relays (delegates) the implementation services + <span class="emphasis"><em>digitalIO</em></span> and + <span class="emphasis"><em>timer</em></span> to sub actors</td> + <td> + +<div class="mediaobject"> +<img src="images/040-LayeringServiceLayer.png"></div> +</td> + <td> + +<div class="mediaobject"> +<img src="images/040-LayeringServiceLayerTextual.png"></div> +</td> + +</tr> +<tr> + +<td>Every Actor inside the + <span class="emphasis"><em>ApplicationLayer</em></span> that contains an SAP with the same Protocol as + <span class="emphasis"><em>timer</em></span> or + <span class="emphasis"><em>digitalIO</em></span> will be connected to the specified SPP</td> + <td> + +<div class="mediaobject"> +<img src="images/040-LayeringApplicationLayer.png"></div> +</td> + <td> + +<div class="mediaobject"> +<img src="images/040-LayeringApplicationLayerTextual.png"></div> +</td> + +</tr> +</table> +<p> + +</p> +</div> +</div> +</body> +</html> |