Esempio n. 1
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 public static MetaModelManager getMetaModelManager(Resource resource) {
   MetaModelManagerResourceAdapter adapter =
       MetaModelManagerResourceAdapter.getAdapter(resource, null);
   MetaModelManager metaModelManager = adapter.getMetaModelManager();
   assert metaModelManager != null;
   return metaModelManager;
 }
Esempio n. 2
0
 /**
  * Create an Xtext resource containing the parsed expression within a typeContext and supervised
  * by a metaModelManager.
  *
  * <p>Provided an EssentialOCL resource registration has been made the created resource named
  * internal.essentialocl may be cast to an XtextResource. Semantic errors may be found at the
  * Resource.errors and may be converted to ParseExceptions by invoking checkResourceErrors.
  *
  * @param metaModelManager the overall type / meta-model domain
  * @param typeContext the type that provides the scope of expression
  * @param expression to be parsed
  * @return the Xtext resource which may be cast to XtextResource
  * @throws IOException if resource loading fails
  */
 public static Resource createXtextResource(
     MetaModelManager metaModelManager, URI uri, NamedElement typeContext, String expression)
     throws IOException {
   InputStream inputStream = new ByteArrayInputStream(expression.getBytes());
   ResourceSetImpl resourceSet = new ResourceSetImpl();
   Resource resource = resourceSet.createResource(uri);
   MetaModelManagerResourceAdapter.getAdapter(resource, metaModelManager);
   if (resource instanceof EvaluationContext) {
     ((EvaluationContext) resource).setContext(typeContext, null);
   }
   resource.load(inputStream, null);
   return resource;
 }
Esempio n. 3
0
 public static ExpressionInOcl resolveSpecification(
     MetaModelManager metaModelManager, URI uri, NamedElement contextClassifier, String expression)
     throws ParserException {
   Resource resource = null;
   try {
     resource = createXtextResource(metaModelManager, uri, contextClassifier, expression);
     checkResourceErrors(NLS.bind(OCLMessages.ErrorsInResource, expression), resource);
     return getExpressionInOcl(resource);
   } catch (IOException e) {
     //				throw new ParserException("Failed to load expression", e);
     ExpressionInOcl specification = PivotFactory.eINSTANCE.createExpressionInOcl();
     OclExpression invalidValueBody = metaModelManager.createInvalidExpression();
     specification.setBodyExpression(invalidValueBody);
     return specification;
   } finally {
     if (resource != null) {
       MetaModelManagerResourceAdapter adapter =
           MetaModelManagerResourceAdapter.findAdapter(resource);
       if (adapter != null) {
         adapter.dispose();
       }
     }
   }
 }