[news.eclipse.modeling.m2m] [ATL]Load Model Problem in ATLEMFModelHandle

[xxcs214@xxxxxxx (Shan)]

Dear All,

I try to test an example, metamodel is generated from schema using EMF 
facilities

	<?xml version="1.0" encoding="UTF-8"?>
	<schema xmlns="http://www.w3.org/2001/XMLSchema";
	xmlns:ns="http://www.m2matl.com/product";
	xmlns:xsd="http://www.w3.org/2001/XMLSchema";
	targetNamespace="http://www.m2matl.com/product";>
		<element name="product" type="ns:Product" />
		<complexType name="Product">
			<sequence>
				<element name="name" type="xsd:string" />
				<element ref="ns:person" minOccurs="0" maxOccurs="1" />
			</sequence>
		</complexType>
		<element name="person" type="ns:Person" abstract="true" />
		<complexType name="Person" />
		<element name="author" type="ns:Author" substitutionGroup="ns:person" />
		<complexType name="Author">
			<complexContent>
				<extension base="ns:Person">
				<sequence>
					<element name="name" type="xsd:string" />
					<element name="mail" type="xsd:string" />
				</sequence>
				</extension>
			</complexContent>
		</complexType>
	</schema>

transform model (product.xml) to itsslef.

	<Product xmlns="http://www.m2matl.com/product";
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
	xmlns:ns="http://www.m2matl.com/product";>
		<name>aaaa</name>
		<!--<person xsi:type="Author"> -->
		<person xsi:type="ns:Author"> 
			<name>asdd</name>
			<age>123</age>
		</person>
	</Product>

when atl engineer(AtlEMFModelHandler) load this model,throw exceptions as 
below:

org.eclipse.emf.ecore.resource.Resource$IOWrappedException: Value 
'org.eclipse.emf.ecore.impl.DynamicEObjectImpl@101cb7b (eClass: 
org.eclipse.emf.ecore.impl.EClassImpl@164538f (name: Author) 
(instanceClassName: null) (abstract: false, interface: false))' is not 
legal. (platform:/resource/Smaple4/models/product.xml, 7, 31)
at 
org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.handleErrors(XMLLoadImpl.java:80)
at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:189)
at 
org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doLoad(XMLResourceImpl.java:179)
at 
org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1089)
at 
org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:895)
at 
org.atl.engine.repositories.emf4atl.ASMEMFModel.loadASMEMFModel(ASMEMFModel.java:323)
at 
org.atl.eclipse.engine.AtlEMFModelHandler.loadModel(AtlEMFModelHandler.java:122)
at 
org.atl.eclipse.adt.launching.AtlLaunchConfigurationDelegate.loadModel(AtlLaunchConfigurationDelegate.java:275)
at 
org.atl.eclipse.adt.launching.AtlLaunchConfigurationDelegate.getSourceModels(AtlLaunchConfigurationDelegate.java:333)
at 
org.atl.eclipse.adt.launching.AtlLaunchConfigurationDelegate.runAtlLauncher(AtlLaunchConfigurationDelegate.java:205)
at 
org.atl.eclipse.adt.launching.AtlLaunchConfigurationDelegate.runAtlLauncher(AtlLaunchConfigurationDelegate.java:168)
at 
org.atl.eclipse.adt.launching.AtlLaunchConfigurationDelegate.runAtlLauncher(AtlLaunchConfigurationDelegate.java:145)
at 
org.atl.eclipse.adt.launching.AtlLaunchConfigurationDelegate.runAtlLauncher(AtlLaunchConfigurationDelegate.java:121)
at 
org.atl.eclipse.adt.launching.AtlLaunchConfigurationDelegate.launch(AtlLaunchConfigurationDelegate.java:97)
at 
org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:639)
at 
org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:565)
at 
org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:754)
at 
org.eclipse.debug.internal.ui.DebugUIPlugin$6.run(DebugUIPlugin.java:944)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
Caused by: org.eclipse.emf.ecore.xmi.IllegalValueException: Value 
'org.eclipse.emf.ecore.impl.DynamicEObjectImpl@101cb7b (eClass: 
org.eclipse.emf.ecore.impl.EClassImpl@164538f (name: Author) 
(instanceClassName: null) (abstract: false, interface: false))' is not 
legal. (platform:/resource/Smaple4/models/product.xml, 7, 31)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHandler.setFeatureValue(XMLHandler.java:2382)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHandler.setFeatureValue(XMLHandler.java:2367)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHandler.createObjectFromTypeName(XMLHandler.java:1842)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHandler.createObject(XMLHandler.java:1768)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHandler.handleFeature(XMLHandler.java:1576)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHandler.processElement(XMLHandler.java:876)
at 
org.eclipse.emf.ecore.xmi.impl.XMIHandler.processElement(XMIHandler.java:82)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHandler.startElement(XMLHandler.java:854)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHandler.startElement(XMLHandler.java:626)
at 
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown 
Source)
at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown 
Source)
at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown 
Source)
at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
Source)
at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown 
Source)
at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown 
Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown 
Source)
at 
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown 
Source)
at javax.xml.parsers.SAXParser.parse(Unknown Source)
at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:179)
.. 17 more
Caused by: java.lang.IllegalArgumentException: The feature 'person' is not 
a valid changeable feature
at 
org.eclipse.emf.ecore.impl.BasicEObjectImpl.eDynamicSet(BasicEObjectImpl.java:706)
at 
org.eclipse.emf.ecore.impl.BasicEObjectImpl.eSet(BasicEObjectImpl.java:682)
at 
org.eclipse.emf.ecore.impl.BasicEObjectImpl.eSet(BasicEObjectImpl.java:653)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHelperImpl.setValue(XMLHelperImpl.java:1091)
at 
org.eclipse.emf.ecore.xmi.impl.XMLHandler.setFeatureValue(XMLHandler.java:2377)
.. 35 more

I traced the problem in debug model, find that the product's metamodel is 
load suceessfully, when load product.xml as a model it occurs the problem. 
I ever use the schema generate product.genmodel product.ecore file ,using 
EMF generate three plugin project: product,product.edit and 
product.editor. The plugin works well and can create Product model 
files(In this file,it doestn't container "person" element but "author" 
element). But when the ecore file using in ATL,it has some problems.

Please help me,how to resolve the problem, and how to transform elements 
having realtionship of "extend", can anyone give an example using 
product.xml(maybe the product.xml need change) I list above tranform to 
itself, any help would be appreciated very much!
Thanks in andvance!