Java Code Examples for org.eclipse.emf.ecore.util.EcoreUtil#getExistingAdapter()

public Grammar getSuperGrammar(final Grammar grammar) {
  boolean _isEmpty = grammar.getUsedGrammars().isEmpty();
  if (_isEmpty) {
    return null;
  }
  Adapter _existingAdapter = EcoreUtil.getExistingAdapter(grammar, SemanticSequencerExtensions.SuperGrammar.class);
  SemanticSequencerExtensions.SuperGrammar sg = ((SemanticSequencerExtensions.SuperGrammar) _existingAdapter);
  if ((sg != null)) {
    return sg.grammar;
  }
  final URI uri = IterableExtensions.<Grammar>head(grammar.getUsedGrammars()).eResource().getURI();
  final Resource resource = this.cloneResourceSet(grammar.eResource().getResourceSet()).getResource(uri, true);
  EObject _head = IterableExtensions.<EObject>head(resource.getContents());
  final Grammar result = ((Grammar) _head);
  EList<Adapter> _eAdapters = grammar.eAdapters();
  SemanticSequencerExtensions.SuperGrammar _superGrammar = new SemanticSequencerExtensions.SuperGrammar(result);
  _eAdapters.add(_superGrammar);
  return result;
}
 

@Override
protected void attachedHelper(EObject eObject) {
	super.attachedHelper(eObject);
	if (eObject instanceof SpecificationElement) {
		Adapter parseAdapter = EcoreUtil.getExistingAdapter(eObject, ParseAdapter.class);
		if (parseAdapter == null) {
			parseSpecificationElement((SpecificationElement) eObject);
			linkSpecificationElement((SpecificationElement) eObject);
			eObject.eAdapters().add(new ParseAdapter());
		}
		Adapter serializeAdapter = EcoreUtil.getExistingAdapter(eObject, SerializeAdapter.class);
		if (serializeAdapter == null) {
			eObject.eAdapters().add(new SerializeAdapter());
		}
	}
}
 

public static void remove(GModelElement element) {
	EObject root = EcoreUtil.getRootContainer(element);
	GModelIndexImpl existingIndex = (GModelIndexImpl) EcoreUtil.getExistingAdapter(root, GModelIndexImpl.class);
	if (existingIndex == null) {
		return;
	}
	existingIndex.unsetTarget(root);
}
 

public static void remove(GModelElement element) {
	EObject root = EcoreUtil.getRootContainer(element);
	GModelChangeNotifierImpl existingNotifier = (GModelChangeNotifierImpl) EcoreUtil.getExistingAdapter(root,
			GModelChangeNotifierImpl.class);
	if (existingNotifier == null) {
		return;
	}
	existingNotifier.unsetTarget(root);
}
 

public static JavaConfig findInEmfObject(Notifier emfObject) {
	JavaConfigAdapter adapter = (JavaConfigAdapter) EcoreUtil.getExistingAdapter(emfObject, JavaConfig.class);
	if (adapter != null) {
		return adapter.get();
	}
	return null;
}
 

public static ClassFileCache findInEmfObject(Notifier emfObject) {
	ClassFileCacheAdapter adapter = ((ClassFileCacheAdapter) EcoreUtil.getExistingAdapter(emfObject, ClassFileCache.class));
	if (adapter != null) {
		return adapter.get();
	}
	return null;
}
 

private void createDirtyResource(Resource resource) {
	IResourceServiceProvider resourceServiceProvider = IResourceServiceProvider.Registry.INSTANCE
			.getResourceServiceProvider(resource.getURI());
	if (resourceServiceProvider == null) {
		return;
	}
	final DirtyResourceAdapter dirtyResource = new DirtyResourceAdapter(
			resource, resourceServiceProvider);
	dirtyStateManager.manageDirtyState(dirtyResource);
	uri2dirtyResource.put(resource.getURI(), dirtyResource);
	if (EcoreUtil.getExistingAdapter(resource, DirtyResourceUpdater.class) == null)
		resource.eAdapters().add(new DirtyResourceUpdater(dirtyResource));
}
 

@Override
protected void detachedHelper(EObject eObject) {
	if (eObject instanceof SpecificationElement) {
		Adapter parseAdapter = EcoreUtil.getExistingAdapter(eObject, ParseAdapter.class);
		if (parseAdapter != null) {
			eObject.eAdapters().remove(parseAdapter);
		}
		Adapter serializeAdapter = EcoreUtil.getExistingAdapter(eObject, SerializeAdapter.class);
		if (serializeAdapter != null) {
			eObject.eAdapters().remove(serializeAdapter);
		}
	}
	super.detachedHelper(eObject);
}
 

public static GModelIndex get(GModelElement element) {
	EObject root = EcoreUtil.getRootContainer(element);
	GModelIndex existingIndex = (GModelIndexImpl) EcoreUtil.getExistingAdapter(root, GModelIndexImpl.class);
	return Optional.ofNullable(existingIndex).orElseGet(() -> (create(element)));
}
 

public static GModelChangeNotifier get(GModelElement element) {
	EObject root = EcoreUtil.getRootContainer(element);
	GModelChangeNotifier existingNotifier = (GModelChangeNotifierImpl) EcoreUtil.getExistingAdapter(root,
			GModelChangeNotifierImpl.class);
	return Optional.ofNullable(existingNotifier).orElseGet(() -> create(element));
}
 

protected ResourceStorageProviderAdapter getResourceStorageProviderAdapter(ResourceSet resourceSet) {
	return (ResourceStorageProviderAdapter) EcoreUtil.getExistingAdapter(
			resourceSet, ResourceStorageProviderAdapter.class);
}
 

protected ContextElementAdapter getContextElementAdapter(Resource context) {
	return (ContextElementAdapter) EcoreUtil.getExistingAdapter(context, ContextElementAdapter.class);
}