Java Code Examples for org.eclipse.emf.ecore.EReference#isResolveProxies()

protected boolean isIndexable(EReference eReference) {
	return (!eReference.isContainment() || eReference.isResolveProxies()) 
			&& !eReference.isDerived() 
			&& !eReference.isVolatile()
			&& !eReference.isTransient() 
			&& (!eReference.isContainer() || eReference.isResolveProxies());
}
 

/**
 * @since 2.11
 */
protected EObject handleProxy(EObject proxy, EObject semanticObject, EReference reference) {
	if (reference != null && reference.isResolveProxies()) {
		if (reference.isMany()) {
			@SuppressWarnings("unchecked")
			EList<? extends EObject> list = (EList<? extends EObject>) semanticObject.eGet(reference);
			int index = list.indexOf(proxy);
			if (index >= 0)
				return list.get(index);
		} else {
			return (EObject) semanticObject.eGet(reference, true);
		}
	}
	return EcoreUtil.resolve(proxy, semanticObject);
}
 

private void installProxies(EObject obj, IDiagnosticProducer producer,
		Multimap<EStructuralFeature.Setting, INode> settingsToLink, ICompositeNode parentNode, boolean dontCheckParent) {
	final EClass eClass = obj.eClass();
	if (eClass.getEAllReferences().size() - eClass.getEAllContainments().size() == 0)
		return;

	for (INode node = parentNode.getFirstChild(); node != null; node = node.getNextSibling()) {
		EObject grammarElement = node.getGrammarElement();
		if (grammarElement instanceof CrossReference && hasLeafNodes(node)) {
			producer.setNode(node);
			CrossReference crossReference = (CrossReference) grammarElement;
			final EReference eRef = GrammarUtil.getReference(crossReference, eClass);
			if (eRef == null) {
				ParserRule parserRule = GrammarUtil.containingParserRule(crossReference);
				final String feature = GrammarUtil.containingAssignment(crossReference).getFeature();
				throw new IllegalStateException("Couldn't find EReference for crossreference '"+eClass.getName()+"::"+feature+"' in parser rule '"+parserRule.getName()+"'.");
			}
			if (!eRef.isResolveProxies() /*|| eRef.getEOpposite() != null see https://bugs.eclipse.org/bugs/show_bug.cgi?id=282486*/) {
				final EStructuralFeature.Setting setting = ((InternalEObject) obj).eSetting(eRef);
				settingsToLink.put(new SettingDelegate(setting), node);
			} else {
				createAndSetProxy(obj, node, eRef);
				afterCreateAndSetProxy(obj, node, eRef, crossReference, producer);
			}
		} else if (grammarElement instanceof RuleCall && node instanceof ICompositeNode) {
			RuleCall ruleCall = (RuleCall) grammarElement;
			AbstractRule calledRule = ruleCall.getRule();
			if (calledRule instanceof ParserRule && ((ParserRule) calledRule).isFragment()) {
				installProxies(obj, producer, settingsToLink, (ICompositeNode) node, true);
			}
		}
	}
	if (!dontCheckParent && shouldCheckParentNode(parentNode)) {
		installProxies(obj, producer, settingsToLink, parentNode.getParent(), dontCheckParent);
	}
}
 

/**
 * Overridden to be able to convert QName references in attributes to URIs during load.
 * @param ids
 *  In our case the parameter will contain exactly one QName that we resolve to URI.
 */
@Override
protected void setValueFromId(EObject object, EReference eReference, String ids) {
    super.setValueFromId(
            object,
            eReference,
            eReference.isResolveProxies() ? ((QNameURIHandler) uriHandler)
                    .convertQNameToUri(ids) : ids);
}