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<body bgcolor="white" lang="EN-US" link="#000fff" vlink="#ff0f0f" style='tab-interval:
.5in'>
<div class="Section1">
<h3 align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>Step 3:
Package your components<o:p></o:p></span></h3>
<h3 align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'><img width="572" height="358" id="_x0000_i1025" src="images/step3.jpg"><o:p></o:p>
</span></h3>
<p class="MsoNormal"><b><span style='COLOR:red'><o:p> </o:p>
</span></b></p>
<p class="MsoNormal"><b>Brief Introduction to CosMIC:<o:p></o:p></b></p>
<p class="MsoNormal" style='mso-layout-grid-align:none'>The Component Synthesis
using Model Integrated Computing (CoSMIC) project is a MDA toolset being
developed by the Institute for Software Integrated Systems (ISIS) at
<st1:place w:st="on">
<st1:PlaceName w:st="on">Vanderbilt</st1:PlaceName>
<st1:PlaceType w:st="on">University</st1:PlaceType>
</st1:place>
to:</p>
<p class="MsoNormal" style='MARGIN-LEFT:39pt;TEXT-INDENT:-0.25in;tab-stops:list 39.0pt;mso-layout-grid-align:none;mso-list:l9 level1 lfo1'><![if
!supportLists]><span style='mso-list:Ignore'>1.<span style="FONT:7pt 'Times New Roman'">
</span></span><![endif]><i>Model and</i> <i>analyze </i>distributed real-time and embedded
application functionality and QoS requirements.</p>
<p class="MsoNormal" style='MARGIN-LEFT:39pt;TEXT-INDENT:-0.25in;tab-stops:list 39.0pt;mso-layout-grid-align:none;mso-list:l9 level1 lfo1'><![if
!supportLists]><span style='mso-list:Ignore'>2.<span style="FONT:7pt 'Times New Roman'">
</span></span><![endif]><i>Synthesize</i> CCM-specific deployment metadata required to deliver
end-to-end QoS to DRE applications.</p>
<p class="MsoNormal" style='mso-layout-grid-align:none'><o:p> </o:p></p>
<p class="MsoNormal" style='mso-layout-grid-align:none'>The CoSMIC toolsuite
provides modeling of DRE systems, their QoS requirements, and QoS adaptation
policies used for DRE application QoS management. The component behavior, their
interactions, and QoS requirements are modeled using a domain specific modeling
language that adheres to
<span style='COLOR:black'>the <a href="http://www.omg.org/cgi-bin/doc?ptc/2003-07-08">OMG
Deployment & Configuration (D&C) specification (ptc/2003-07-08)</a></span>.
CoSMIC enables modeling the standards-based CCM components.
</p>
<p class="MsoNormal" style='mso-layout-grid-align:none'><o:p> </o:p></p>
<p class="MsoNormal" style='mso-layout-grid-align:none'>Hand-writing the required
XML descriptors to configure our components is tedious and error prone. We
therefore utilize CosMIC (we specifically use a subset of CosMIC called PICML,
which stands for Platform-Independent Component Modeling Language) to generate
the bulk of descriptors for us.</p>
<p class="MsoNormal" style='mso-layout-grid-align:none'><o:p> </o:p></p>
<p class="MsoNormal" style='mso-layout-grid-align:none'>For more information on
CosMIC, please refer to the following article:</p>
<p class="MsoNormal" style='mso-layout-grid-align:none'><span style='mso-bidi-font-weight:bold'><a href="http://www.cs.wustl.edu/~schmidt/PDF/mamad2003.pdf">CoSMIC:
An MDA Generative Tool for Distributed Real-time and Embedded Applications</a>.<o:p></o:p></span></p>
<p class="MsoNormal" style='mso-layout-grid-align:none'><span style='mso-bidi-font-weight:bold'><o:p> </o:p>
</span></p>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<p class="MsoNormal" style='mso-layout-grid-align:none'><span style='mso-bidi-font-weight:bold'><o:p> </o:p>
</span></p>
<p class="MsoNormal"><b><span style='COLOR:black'>Importing IDL to PICML</span></b><span style='COLOR:black'><br>
<br>
To quick start our Stock Quoter modeling process in GME, CoSMIC
introduces <em>idl_to_picml</em> , which is an executable program that imports
the IDL files you just created into PICML.<o:p></o:p></span></p>
<ol start="1" type="1">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l3 level1 lfo2'>
Make sure <code>
<span style='FONT-SIZE:10pt'>%COSMIC_ROOT%\bin</span></code> is included in
the PATH variable, e.g., c:\Program Files\ISIS\CoSMIC\bin.<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l3 level1 lfo2'>
Open a command prompt, run VCVARS32.BAT from the MSVC .NET folder if you
haven't done so. It will set the environment for using Microsoft Visual Studio
.NET tools so that <i>idl_to_picml</i> works properly.<br>
in my machine, VCVARS32.bat is in C:\Program Files\Microsoft Visual Studio .NET
2003\Vc7\bin<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l3 level1 lfo2'>
In the same command prompt, change directory to <code>
<span style='FONT-SIZE:10pt'>MyQuoter\</span></code>, and type the
following command:<br>
> <kbd>
<span style='FONT-SIZE:10pt'>
idl_to_picml -x MyQuoter -r . </span></kbd><br>
<em>idl_to_picml</em> will parse your IDL files and generated a <code>
<span style='FONT-SIZE:10pt'>MyQuoter.xme</span></code> file in the <code>
<span style='FONT-SIZE:10pt'>MyQuoter</span></code> directory. Note that if
-x option is not used, the default xme file name will be <code>
<span style='FONT-SIZE:10pt'>PICML_default_xme_file.xme.</span></code><br>
<LI class="MsoNormal" style="COLOR: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; tab-stops: list .5in; mso-list: l3 level1 lfo2">
Start GME, select <strong>File->Import xml..</strong>, and choose the xme
file just generated. You should be able to see an imported PICML model similar
to the one shown in Figure 2.<o:p></o:p>
</LI>
</ol>
<p class="MsoNormal"><span style='COLOR:black'><o:p> </o:p>
</span></p>
<p class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'><img border="0" width="960" height="719" id="_x0000_i1027" src="images/fig2.jpg"><br>
<br>
Figure 2<o:p></o:p></span></p>
<p><span style='COLOR:black'> In the Browser of the generated model, the <em>PredefinedTypes</em>
folder contains a bunch of atomic datatype elements that will be referenced by
other modeling parts later. You don't have to worry about them for now. The
models in <em>InterfaceDefinitions</em> folder are the PICML representations
ofthe IDL files you just imported. Double-click to open <em>Broker</em>, it
will show you a white, document-like entity which represents a
<<FileRef>> instance and a yellow box-shaped entity representing a
<<Package>> instance. Their equivalent representations in IDL files
are "#include" and "module" respectively. Figure 3 gives
you a clear view of GME representation of all the 3 idl files created. We will
cover the other folders in the next section.<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style='MARGIN-BOTTOM:12pt;TEXT-ALIGN:center'><span style='COLOR:black'><img border="0" width="218" height="364" id="_x0000_i1028" src="images/fig3.jpg"><br>
<br>
Figure 3<o:p></o:p></span></p>
<p class="MsoNormal" style='MARGIN-BOTTOM:12pt'><span style='COLOR:black'>Now
we are ready to model the rest of the Stock Quoter systems.<br>
<br style='mso-special-character:line-break'><![if !supportLineBreakNewLine]><br style='mso-special-character:line-break'><![endif]><o:p></o:p></span></p>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<h3>Building Stock Quoter system in PICML<span style='COLOR:black'><o:p></o:p>
</span></h3>
<p><span style='COLOR:black'>This section describes modeling the Quoter
application using PICML. If you have trouble producing a functioning model from
this tutorial, please see the, <a href="Model/Quoter.xme">pre-built Quoter model</a> which is provided for your reference. This model contains all
elements created as part of this tutorial.<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><strong><span style='COLOR:black'>Note:</span></strong><span style='COLOR:black'> To import an XML file in GME, select <em>File->Import
XML..</em> from GME and choose your XML model<o:p></o:p></span></p>
</div>
<p><span style='COLOR:black'>The PICML paradigm is designed for the <a href="http://www.omg.org/cgi-bin/doc?ptc/2003-07-08">OMG
Deployment & Configuration (D&C) specification (ptc/2003-07-08)</a>, so the modeling process
is straightforward if you are familiar with the specification. Please see the <a href="../../../releasenotes/dance.html">DAnCE
project</a> for more
information. For those who hate specification (including me, :-)), an <a href="http://www.cs.wustl.edu/%7Eschmidt/PDF/DAnCE.pdf">overview
of D&C</a>
and as well as a <a href="http://www.cs.wustl.edu/%7Eschmidt/OMG-CCM-Tutorial.ppt">tutorial of D&C
and CCM</a> can help to reduce the learning curve. In addition, it is
also helpful to read through Chapter 32 of TAO's Developer's Guide 1.4a (CIAO
and CCM) which thoroughly describes the various descriptors required for a
component (*.iad, *.ccd, *.cid, etc). <o:p></o:p></span></p>
<h3><span style='COLOR:black'>Table of Contents<o:p></o:p></span></h3>
<ul type="disc">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l2 level1 lfo3'>
<a href="#1">ImplementationArtifacts</a><o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l2 level1 lfo3'>
<a href="#2">ComponentImplementations</a><o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l2 level1 lfo3'>
<a href="#3">ComponentPackages</a><o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l2 level1 lfo3'>
<a href="#4">PackageConfiguration</a><o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l2 level1 lfo3'>
<a href="#5">TopLevelPackage</a><o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l2 level1 lfo3'>
<a href="#6">Targets</a><o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l2 level1 lfo3'>
<a href="#7">DeploymentPlan</a><o:p></o:p></li>
</ul>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<p><span style='COLOR:black'>The complete PICML Quoter model consists of
modeling elements distributed across various folders. If you used <em>idl_to_picml</em>
to generate the initial model, you will see that it has created all these
folders and some of the tedious boilerplate modeling for us. The rest of the
section will explain the purpose of each folder as well as the modeling
entities contained in these folders. We will also show how to model some of the
folders that have to be done by hand.<o:p></o:p></span></p>
<p><b><span style='BACKGROUND:silver;COLOR:red;FONT-VARIANT:small-caps;mso-highlight:silver'>Important:</span></b><span style='BACKGROUND:silver;COLOR:black;mso-highlight:silver'> The interpreters that generate deployment
artifacts expect very strict constraints in the model. When you finish your
model, and any time you wish to generate anything, it is a good idea to check
constraints by clicking on <em>File->Check->Check All</em> in GME. This
will help you find many logic errors in your model.</span><span style='COLOR:black'><o:p></o:p>
</span></p>
<h3><span style='COLOR:black'>ImplementationArtifacts<o:p></o:p></span></h3>
<p><span style='COLOR:black'>This folder contains implementation artifacts
associated with components. <em>idl_to_picml</em> has created these artifacts
for us, with their dependency relationships correctly captured. Figure 4 shows
the Implementation Artifacts for <em>Broker</em>.<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style='MARGIN-BOTTOM:12pt;TEXT-ALIGN:center'><span style='COLOR:black'><img border="0" width="883" height="528" id="_x0000_i1031" src="images/fig4.jpg"><br>
Figure 4.<o:p></o:p></span></p>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><a name="1"></a><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<h3><span style='COLOR:black'>ComponentImplementation<a name="2"></a><o:p></o:p></span></h3>
<p><span style='COLOR:black'>This folder contains models that describe the implementations
of component interfaces. In the Quoter example, we will have two monolithic
component implementations - named <em>StockDistributorImplementation</em> and <em>StockBrokerImplementation</em>
- and an assembly component implementation named <em>StockQuoter</em>, which is
an assembly of <em>StockDistributorImplementation</em> and <em>StockBrokerImplementaion</em>.
<em>idl_to_picml</em> has created the monolithic component implementations for
us, as shown in figure 5 for example, but we have to specify the connections
between them in order to construct a Quoter system.<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'><img border="0" width="894" height="617" id="_x0000_i1033" src="images/fig5.jpg"><br>
Figure 5<o:p></o:p></span></p>
<p><span style='COLOR:black'>Assembly components provide a boundary for the composition
of monolithic components and even other assemblies. Assembly components do not
provide actual implementations for their interface, it is a virtual component
that delegates its ports and attributes to one or more of the entities it
contains. There are slight differences between modeling an assembly and
modeling a monolithic component. Since the assembly is a virtual component, it
is not necessary to model a </span><code><span style='FONT-SIZE:10pt;
COLOR:black'>MonolithicImplementation</span></code><span style='COLOR:black'>.
Instead, <em>instances</em> of other components are placed within the assembly
and connected. Let's try to assemble the <em>StockQuoter</em>.<o:p></o:p></span></p>
<ol start="1" type="1">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l0 level1 lfo4'>
Right click the <em>ComponentImplementations</em> folder, choose <strong>Insert
Model->ComponentImplementationContainer</strong>, rename it as
"StockQuoterImplementation" in the Attribute Panel. Double click to open it.<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l0 level1 lfo4'>
From the Part Browser, drag a <<ComponentAssembly>> to the modeling
window, name it "StockQuoter". Double click to open it.<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l0 level1 lfo4'>
Now we will create two instances for interfaces <em>StockBroker</em> and <em>StockDistributor</em>.
To do that, expand the folder <em>
<span style="FONT-SIZE:10pt;
FONT-FAMILY:'Courier New'">InterfaceDefinitions</span></em>, then expand the <em>
<span style="FONT-SIZE:10pt;FONT-FAMILY:'Courier New'">InterfaceDefinitions/</span></em>
<em>Broker</em>, then <em>
<span style="FONT-SIZE:10pt;FONT-FAMILY:'Courier New'">InterfaceDefinitions/</span></em>
<em>Broker/ Stock</em> until the interface definition of <em>StockBroker</em> shows.
While expanding the tree, always keep the "StockQuoter"
<<ComponentAssembly>> window open. Then drag <code>
<span style='FONT-SIZE:10pt'>MyQuoter/InterfaceDefinitions/Broker/Stock/StockBroker</span></code>
in the browser to the "StockQuoter" <<ComponentAssembly>> window
while pressing ALT key. Repeat the same steps for <code>
<span style='FONT-SIZE:10pt'>MyQuoter/InterfaceDefinitions/Distributor/Stock/StockDistributor</span></code>,
and you will see two instances of component interfaces have been created as
shown in Figure 6 (the black line in the figure only indicates .mapping)<o:p></o:p></li>
</ol>
<p class="MsoNormal"><span style='COLOR:black'><o:p> </o:p>
</span></p>
<p class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'><img border="0" width="1076" height="696" id="_x0000_i1034" src="images/fig6.jpg"><br>
<br>
Figure 6<o:p></o:p></span></p>
<ol start="4" type="1">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l8 level1 lfo5'>
Create an <<PublishConnector>>.<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l8 level1 lfo5'>
Now assemble the components together according to <a href="images/fig1.jpg">Figure
1</a>(make sure you change to connect mode <img border="0" width="32" height="32" id="_x0000_i1035" src="Icons/AddConnMode.gif">)
and the resulting assembly model should look like Figure 7. Note that to create
connections between StockDistributor.notify_out and StockBroker.notify_in, you
will need the intermediate connector <<PublishConnector>>.<o:p></o:p></li>
</ol>
<p class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'><img border="0" width="1076" height="445" id="_x0000_i1036" src="images/fig7.jpg"><!-- hhmts end -->><br>
<br>
Figure 7<o:p></o:p></span></p>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<h3><a name="3"></a><span style='COLOR:black'>ComponentPackage<o:p></o:p></span></h3>
<p class="MsoNormal"><span style='COLOR:black'>This folder contains deployable
component packages. Every instance in an assembly should have a corresponding
monolithic implementation and packaged in a ComponentPackagebe To create a
package for <em>StockBroker</em>.instance<o:p></o:p></span></p>
<ol start="1" type="1">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l1 level1 lfo6'>
Right click folder <em>ComponentPackage</em>s , insert a
<<PackageContainer>>, name it "Broker"; Double click to open it.<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l1 level1 lfo6'>
From the PartBrowser, add the following:<o:p></o:p>
<ul type="circle">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list 1.0in;mso-list:l1 level2 lfo6'>
a <<ComponentPackage>> named "Broker";<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list 1.0in;mso-list:l1 level2 lfo6'>
a <<ComponentImplementationReference>> named "Broker";<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list 1.0in;mso-list:l1 level2 lfo6'>
a <<ComponentRef>> named "Broker";<o:p></o:p></li>
</ul>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l1 level1 lfo6'>
Refer the <<ComponentImplementationReference>> <em>Broker</em> to <code>
<span style='FONT-SIZE:10pt'>MyQuoter/ComponentImplementations/StockBroker</span></code>Implementation/StockBrokerMonolithicImpl.
Refer the <<ComponentRef>> <em>Broker</em> to <code>
<span style='FONT-SIZE:10pt'>MyQuoter/InterfaceDefinitions/Broker/Stock/StockBroker</span></code>.
To create a reference in GME, simply drag the tree node in the Browser "into"
the reference model. For example, you should drag the tree node <code>
<span style='FONT-SIZE:10pt'>MyQuoter/ComponentImplementations/StockBroker</span></code>Implementation/StockBrokerMonolithicImpl
into <<ComponentImplementationReference>> <em>Broker.</em> Check
GME manual(tutorials) for more information.<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l1 level1 lfo6'>
Switch to Connect Mode and create two connections according to the following
relationship.<o:p></o:p>
<ul type="circle">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list 1.0in;mso-list:l1 level2 lfo6'>
<<ComponentImplementationReference>> <em>Broker</em> implements
<<ComponentPackage>> <em>Broker</em>;<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list 1.0in;mso-list:l1 level2 lfo6'>
<<ComponentPackage>> <em>Broker</em> realizes
<<ComponentRef>> <em>Broker</em>.<o:p></o:p></li>
</ul>
</li>
</ol>
<p class="MsoNormal" style='MARGIN-BOTTOM:12pt;MARGIN-LEFT:0.5in;mso-margin-top-alt:auto'><span style='COLOR:black'><br>
<br>
The model you built should resemble Figure 8.<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style='MARGIN-BOTTOM:12pt;MARGIN-LEFT:0.5in;TEXT-ALIGN:center;mso-margin-top-alt:auto'><span style='COLOR:black'><img border="0" width="1076" height="445" id="_x0000_i1038" src="images/fig8.jpg"><!-- hhmts start -->><br>
<br>
Figure 8<o:p></o:p></span></p>
<p class="MsoNormal" style='MARGIN-LEFT:0.5in;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='COLOR:black'>Now create a
ComponentPackage/StockDistributor following the same steps. <o:p></o:p></span></p>
<ol start="5" type="1">
<li class="MsoNormal" style='LIST-STYLE-POSITION:outside;COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l1 level1 lfo6'>
<br>
We will also need to create a package for the assembly component StockQuoter.
Remember assembly component is a virtual component, it does not "realize" a
certain interface, so different from the Broker and Distributor packages, the
StockQuoter does not need a <<ComponentRef>>. To create this model:
<o:p></o:p></li>
</ol>
<p class="MsoNormal" style='MARGIN-LEFT:0.5in;TEXT-INDENT:-0.25in;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo7'><![if
!supportLists]><span style="FONT-SIZE:10pt;COLOR:black;FONT-FAMILY:'Courier New';mso-fareast-font-family:'Courier New';mso-bidi-font-size:12.0pt"><span style='mso-list:Ignore'>1.<span style="FONT:7pt 'Times New Roman'"> </span></span>
</span><![endif]><span style='COLOR:black'>Insert a <<ComponentPackage>> named
"StockQuoter"<o:p></o:p></span></p>
<p class="MsoNormal" style='MARGIN-LEFT:1in;TEXT-INDENT:-0.25in;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo7'><![if
!supportLists]><span style="FONT-SIZE:10pt;COLOR:black;FONT-FAMILY:'Courier New';mso-fareast-font-family:'Courier New';mso-bidi-font-size:12.0pt"><span style='mso-list:Ignore'>2.<span style="FONT:7pt 'Times New Roman'"> </span></span>
</span><![endif]><span style='COLOR:black'>Add a <<ComponentImplementationReference>>
named "StockQuoter", refer it to MyQuoter</span><code><span style='FONT-SIZE:10pt;COLOR:black'>/ComponentImplementations/StockQuoter/StockQuoter</span></code><span style='COLOR:black'><o:p></o:p>
</span></p>
<p class="MsoNormal" style='MARGIN-LEFT:1in;TEXT-INDENT:-0.25in;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo7'><![if
!supportLists]><span style="FONT-SIZE:10pt;COLOR:black;FONT-FAMILY:'Courier New';mso-fareast-font-family:'Courier New';mso-bidi-font-size:12.0pt"><span style='mso-list:Ignore'>3.<span style="FONT:7pt 'Times New Roman'"> </span></span>
</span><![endif]><span style='COLOR:black'>Switch to connect mode and connect
<<ComponentImplementationReference>> StockQuoter with
<<ComponentPackage>> StockQuoter, as in Figure 9.<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style='MARGIN-BOTTOM:12pt;TEXT-ALIGN:center'><span style='COLOR:black'><img border="0" width="1076" height="445" id="_x0000_i1039" src="images/fig9.jpg"><!-- Created: Sat Nov 27 15:25:06 CST 1999 --><!-- hhmts start -->><br>
<br>
Figure 9<o:p></o:p></span></p>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<h3><a name="4"></a><span style='COLOR:black'>PackageConfiguration<o:p></o:p></span></h3>
<p class="MsoNormal"><span style='COLOR:black'>This folder contains just one
model capturing specific configuration of Component packages.<o:p></o:p></span></p>
<ol start="1" type="1">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l6 level1 lfo8'>
In the folder <em>PackageConfiguratio</em>n, and create a
<<PackageConfigurationContainer>>, name it "Default", click to open
it.<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l6 level1 lfo8'>
Add a <<PackageConfiguration>> named "default" and a
<<ComponentPackageReference>>, name it "StockQuoter", connect
"Default" to "StockQuoter"<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l6 level1 lfo8'>
Refer <<ComponentPackageReference>> StockQuoter to
<<ComponentPackage>> <code>
<span style='FONT-SIZE:10pt'>MyQuoter/ComponentPackage/StockQuoter/StockQuoter</span></code><span style="FONT-SIZE:10pt;FONT-FAMILY:'Courier New'"><br>
<code>(Not <<ComponentImplementationReference>></code></span>
<code>
<span style='FONT-SIZE:10pt'>MyQuoter/ComponentPackage/StockQuoter/StockQuoter!) </span></code><o:p></o:p></li>
</ol>
<p class="MsoNormal"><span style='COLOR:black'><o:p> </o:p>
</span></p>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<h3><a name="5"></a><span style='COLOR:black'>ToplevelPackage<o:p></o:p></span></h3>
<p class="MsoNormal"><span style='COLOR:black'>This folder contains one model
capturing information about the top-level element that will be fed to the
application.<o:p></o:p></span></p>
<ol start="1" type="1">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l4 level1 lfo9'>
In the folder <em>ToplevelPackage</em>, and create a
<<ToplevelPackageContainer>>, name it "Default", double click to
open it.<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l4 level1 lfo9'>
Add a <<ToplevelPackage>> named "ToplevelPackage" and a
<<PackageConfigurationReference>>, name it "Default", connect
"ToplevelPackage" to "Default"<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l4 level1 lfo9'>
Refer "Default" to My<code><span style='FONT-SIZE:10pt'>Quoter/PackageConfiguration/Default/Default</span></code><o:p></o:p></li>
</ol>
<p class="MsoNormal"><span style='COLOR:black'><o:p> </o:p>
</span></p>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<h3><a name="6"></a><span style='COLOR:black'>Targets<o:p></o:p></span></h3>
<p class="MsoNormal"><span style='COLOR:black'>This folder contains
domain-specific models capturing information about the target environment in
which component-based application will be deployed. In this Quoter example, we
can either deploy the two components into ONE host, or into TWO different host.
We will deploy the Quoter into two different host.<o:p></o:p></span></p>
<ol start="1" type="1">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l5 level1 lfo10'>
In the folder <i>Targets</i>, insert a new <<Domain>> named
"Domain"; double click to open it.<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l5 level1 lfo10'>
From the Part Browser, add two <<Node>> named "Broker" and
"Distributor" respectively.<o:p></o:p></li>
</ol>
<p class="MsoNormal"><span style='COLOR:black'><br>
Now we are ready to deploy our Components to the actual physical environment.<o:p></o:p></span></p>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<h3><a name="7"></a><span style='COLOR:black'>DeploymentPlan<o:p></o:p></span></h3>
<p class="MsoNormal"><span style='COLOR:black'>This folder contains a plan model
that captures information about the assignment of component to nodes.<o:p></o:p></span></p>
<ol start="1" type="1">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l7 level1 lfo11'>
In the folder <em>DeploymentPlan</em>, insert a model
<<DeploymentPlan>>; name it "Plan", click to open it<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list .5in;mso-list:l7 level1 lfo11'>
From the PartBrowser, add the following:<o:p></o:p>
<ul type="circle">
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list 1.0in;mso-list:l7 level2 lfo11'>
Two <<CollocationGroup>><o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list 1.0in;mso-list:l7 level2 lfo11'>
Two <<NodeReference>> named "Node_Broker" and "Node_Distributor"
respectively, refering to <code>
<span style='FONT-SIZE:10pt'>MyQuoter/Targets/Domain/Broker</span></code> and
<code>
<span style='FONT-SIZE:10pt'>MyQuoter/Targets/Domain/Distributor</span></code>
respectively<o:p></o:p>
<li class="MsoNormal" style='COLOR:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;tab-stops:list 1.0in;mso-list:l7 level2 lfo11'>
Two <<ComponentRef>> named "StockBroker" and "StockDistributor"
respectively, refering to <code>
<span style='FONT-SIZE:10pt'>MyQuoter/ComponentImplementations/StockQuoterImplementation/StockQuoter/StockBroker</span></code>
and <code>
<span style='FONT-SIZE:10pt'>MyQuoter/ComponentImplementations/StockQuoterImplementation/StockQuoter/StockDistributor</span></code>
respectively. Note that the <<ComponentRef>> in DeploymentPlan is
not referring to the interface, but rather the actual instance of the
implementation.<o:p></o:p></li>
</ul>
<li class="MsoNormal" style='MARGIN-BOTTOM:12pt;COLOR:black;mso-margin-top-alt:auto;tab-stops:list .5in;mso-list:l7 level1 lfo11'>
Switch to Connect Mode, connect one <<CollocationGroup>> to
<<NodeReference>> <em>Node_Broker</em>, connect another
<<CollocationGroup>> to <<NodeReference>> <em>Node_Distributor</em>.
Now the model looks like the following.<o:p></o:p></li>
</ol>
<p class="MsoNormal" align="center" style='MARGIN-BOTTOM:12pt;MARGIN-LEFT:0.5in;TEXT-ALIGN:center;mso-margin-top-alt:auto'><span style='COLOR:black'><img border="0" width="1076" height="530" id="_x0000_i1044" src="images/fig10.jpg"><br>
<br>
Figure 10.<o:p></o:p></span></p>
<ol start="4" type="1">
<li class="MsoNormal" style='MARGIN-BOTTOM:12pt;COLOR:black;mso-margin-top-alt:auto;tab-stops:list .5in;mso-list:l7 level1 lfo11'>
Now we need to associate <<ComponentRef>> StockBroker to the
<<CollocationGroup>> running on the <<NodeReference>>
Broker, and <<ComponentRef>> StockDistributor to the
<<CollocationGroup>> running on the <<NodeReference>>
Distributor. To do that, switch the Edit Mode Bar to Set Mode (<img border="0" width="32" height="32" id="_x0000_i1045" src="Icons/SetMode.gif">),
and move the cursor to the <<CollocationGroup>> running on
<<NodeReference>> Distributor, right-click on it. You will find the
cursor is changed to set mode cursor, and only the
<<CollocationGroup>> you clicked in is highlighted, as shown in
Figure 11.<o:p></o:p></li>
</ol>
<p class="MsoNormal" align="center" style='MARGIN-BOTTOM:12pt;TEXT-ALIGN:center'><span style='COLOR:black'><img border="0" width="1076" height="530" id="_x0000_i1046" src="images/fig11.jpg"><!-- 01.html,v 1.3 2006/02/10 14:34:35 mxiong Exp -->><br>
<br>
Figure 11<o:p></o:p></span></p>
<p><span style='COLOR:black'>Now move your cursor to
<<ComponentRef>> StockDistributor, and left-click it, so that
it looks like Figure 12.<o:p></o:p></span></p>
<p class="MsoNormal" align="center" style='MARGIN-BOTTOM:12pt;TEXT-ALIGN:center'><span style='COLOR:black'><img border="0" width="1076" height="530" id="_x0000_i1047" src="images/fig12.jpg">
<br>
<br>
Figure 12<o:p></o:p></span></p>
<p style='MARGIN-BOTTOM:12pt'><span style='COLOR:black'>This operation
associates <em>StockDistributor</em> component to the
<<CollocationGroup>> running on <em>Distributor</em> node. To do
the same with Broker, just right-click on another
<<CollocationGroup>>, and left-click on StockBroker
<<CollocationGroup>> which is highlighted.<o:p></o:p></span></p>
<div class="MsoNormal" align="center" style='TEXT-ALIGN:center'><span style='COLOR:black'>
<hr size="2" width="100%" align="center">
</span></div>
<p><a name="8"></a><span style='COLOR:black'>Up to this point, we are basically
done with the modeling part. Before we generate anything from this model
though, please <b>DO</b> remember to check the constraints of the model as we
mentioned earlier.<o:p></o:p></span></p>
<p><span style='COLOR:black'>After we are done with the modeling, the
Deploymentplan interpreter that comes along with PICML will help us
to generate a Plan.cdp file. Please make sure you generate
this file to MyQuoter/descriptors. Note that to get the example working</span><span style="COLOR:black; FONT-FAMILY:'Courier New'">,</span><span style='COLOR:black'>a
Node
Map file should be created to map logical nodes to NodeManager object
references,e.g:<o:p></o:p></span></p>
<pre wrap=""><span style='COLOR:black'>DistributorNode corbaloc:iiop:localhost:30000/NodeManager<o:p></o:p></span></pre>
<pre><span
style='COLOR:black'>BrokerNode<span style='mso-spacerun:yes'> </span>corbaloc:iiop:localhost:40000/NodeManager<o:p></o:p></span></pre>
<pre><span
style='COLOR:black'><o:p> </o:p></span></pre>
<pre><span style='COLOR:black'><o:p> </o:p></span></pre>
<p class="MsoNormal" align="center" style='TEXT-ALIGN:center;tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span style='COLOR:black'><a href="02.html">Previous</a><span style='mso-tab-count:
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<address style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span style='COLOR:black'><a href="mailto:ming.xiong@vanderbilt.edu">Ming
Xiong<br>
</a>
</span><a href="mailto:abdullah.sowayan@lmco.com">Abdullah Sowayan</a></address>
<p class="MsoNormal" style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span style='COLOR:black'><o:p> </o:p>
</span></p>
<P class="MsoNormal" style="tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN style="COLOR: black">
<o:p>$Id$</o:p>
</SPAN><o:p> </o:p></P>
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