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| Re: OCL/UML Help [message #4166 is a reply to message #4078] |
Fri, 09 February 2007 12:15   |
Eclipse User |
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Originally posted by: merks.ca.ibm.com
Andew,
It sounds like you are running standalone but haven't put the
net.sourceforge.lpg.lpgjavaruntime jar on the classpath.
Andrew Carton wrote:
>
> Hi,
> I'm just trying to get OCL working with UML and having a few problems.
> Below is the source and the exception trace that I keep getting. I'd
> really appreciate it if someone could give me a quick hand. The
> tutorials only illustrate Ecore metamodels and I can't find any simple
> tutorials that shows you how to use queries over UML/Ecore. My uml
> model is a simple one - at its root it has a Model and its
> packagedElements are two packages. I thought passing in the .eClass()
> from the Model element would work but it doesn't seem to. I tried this
> query on the OCL console with my model and it works!
>
> Thanks in advance,
> Andrew
>
> Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap( ).put(UMLResource.FILE_EXTENSION,
> UMLResource.Factory.INSTANCE);
>
> Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap( ).put( "xmi",
> new XMIResourceFactoryImpl());
>
>
> resourceSet.getPackageRegistry().put(UMLPackage.eNS_URI,UMLP ackage.eINSTANCE);
>
>
> Model p = (Model) load(URI.createURI("My.uml"));
> boolean valid;
> EList e = p.getPackagedElements();
> try {
> Query query = QueryFactory.eINSTANCE.createQuery(
> "self.nestedPackage->collect( e | e.packagedElement->collect(f |
> f.name))",
> p.eClass());
> valid = true;
> } catch (IllegalArgumentException s) {
> valid = false;
> System.err.println(s.getLocalizedMessage());
> }
>
>
> Exception in thread "main" java.lang.NoClassDefFoundError:
> lpg/lpgjavaruntime/RuleAction
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(Unknown Source)
> at java.security.SecureClassLoader.defineClass(Unknown Source)
> at java.net.URLClassLoader.defineClass(Unknown Source)
> at java.net.URLClassLoader.access$000(Unknown Source)
> at java.net.URLClassLoader$1.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(Unknown Source)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at java.lang.ClassLoader.loadClassInternal(Unknown Source)
> at
> org.eclipse.emf.ocl.expressions.util.ExpressionsUtil.createP arser(ExpressionsUtil.java:680)
>
> at
> org.eclipse.emf.ocl.expressions.util.ExpressionsUtil.createP arser(ExpressionsUtil.java:663)
>
> at
> org.eclipse.emf.ocl.expressions.util.ExpressionsUtil.createQ uery(ExpressionsUtil.java:177)
>
> at
> org.eclipse.emf.ocl.expressions.util.ExpressionsUtil.createQ uery(ExpressionsUtil.java:156)
>
> at
> org.eclipse.emf.ocl.query.impl.QueryUtil.makeOCLQuery(QueryU til.java:66)
> at
> org.eclipse.emf.ocl.query.impl.QueryFactoryImpl.createQuery( QueryFactoryImpl.java:127)
>
> at PackageMerge.main(PackageMerge.java:98)
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