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Difference between revisions of "EMF Editor goes RAP"

(The Code Generation Model)
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=This Page tries to explain how to turn an automatic generated EMF editor into an RAP application=
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#REDIRECT[[RAP/EMF_Integration]]
 
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==The Simple Purchase Order Model==
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To generate the EMF editor we first need a Ecore model. We will use the Simple Purchase Order model (file <tt>SimplePO.ecore</tt>) that is also used in the EMF book. In an UML Editor this model looks as depicted below:
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<center>[[Image:SimplePO.gif]]</center>
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The <tt>SimplePO.ecore</tt> file viewed in a text editor:
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<pre>
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<?xml version="1.0" encoding="ASCII"?>
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<ecore:EPackage xmi:version="2.0"
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    xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="po"
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    nsURI="http:///com/example/po.ecore" nsPrefix="com.example.po">
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  <eClassifiers xsi:type="ecore:EClass" name="PurchaseOrder">
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    <eStructuralFeatures xsi:type="ecore:EReference" name="items" upperBound="-1"
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        eType="#//Item" containment="true"/>
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    <eStructuralFeatures xsi:type="ecore:EAttribute" name="shipTo" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
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    <eStructuralFeatures xsi:type="ecore:EAttribute" name="billTo" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
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  </eClassifiers>
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  <eClassifiers xsi:type="ecore:EClass" name="Item">
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    <eStructuralFeatures xsi:type="ecore:EAttribute" name="productName" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
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    <eStructuralFeatures xsi:type="ecore:EAttribute" name="quantity" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
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    <eStructuralFeatures xsi:type="ecore:EAttribute" name="price" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EFloat"/>
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  </eClassifiers>
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</ecore:EPackage>
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</pre>
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==The Code Generation Model==
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To generate code from the <tt>SimplePO.ecore</tt> model we first need to create a corresponding code generation model (file <tt>SimplePO.genmodel</tt>) for storing the code generation customization data.
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Assumed you have all the EMF plugins installed in your Eclipse environment you can do this by a right click on the <tt>SimplePO.ecore</tt> file in the Package Explorer:
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<center>[[Image:CreateGenModel1.gif]]</center>
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Select the EMF Model wizard:
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<center>[[Image:CreateGenModel2.gif]]</center>
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Click the <b>Next</b> button two times:<br>
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<center>[[Image:CreateGenModel3.gif]]  [[Image:CreateGenModel4.gif]]</center><br>
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Press the <b>Load</b> button and the <b>Next</b> button afterwards:<br>
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<center>[[Image:CreateGenModel5.gif]]</center><br>
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A click on the <b>Finish</b> button finally creates the <tt>SimplePO.genmodel</tt> file.<br>
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<center>[[Image:CreateGenModel6.gif]]</center><br>
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Latest revision as of 17:22, 19 March 2010

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