org.eclipse.xtext.resource.impl.ChangedResourceDescriptionDelta Java Examples

protected void doScheduleInitialValidation(XtextDocument document) {
	URI uri = document.getResourceURI();
	if (uri == null)
		return;
	IResourceDescription documentDescription = resourceDescriptions.getResourceDescription(uri);
	if (documentDescription == null) {
		// resource was just created - build is likely to be running in background
		return;
	}
	if (dirtyStateManager instanceof IDirtyStateManagerExtension && builderStateProvider != null) {
		IResourceDescriptions persistedDescriptions = builderStateProvider.get();
		List<URI> dirtyResourceURIs = ((IDirtyStateManagerExtension) dirtyStateManager).getDirtyResourceURIs();
		for(URI dirtyResourceURI: dirtyResourceURIs) {
			IResourceDescription dirtyDescription = dirtyStateManager.getDirtyResourceDescription(dirtyResourceURI);
			if (dirtyDescription != null) {
				IResourceDescription persistedDescription = persistedDescriptions.getResourceDescription(dirtyResourceURI);
				// Shortcut to make sure we don't waste time with more involving haveEObjectDescriptionChanged computation
				ChangedResourceDescriptionDelta delta = new ChangedResourceDescriptionDelta(persistedDescription, dirtyDescription);
				if(resourceDescriptionManager.isAffected(delta, documentDescription)) {
					document.checkAndUpdateAnnotations();
					return;
				}
			}
		}
	} else {
		Set<URI> outgoingReferences = descriptionUtils.collectOutgoingReferences(documentDescription);
		for(URI outgoing: outgoingReferences) {
			if (isDirty(outgoing)) {
				document.checkAndUpdateAnnotations();
				return;
			}
		}
	}
}
 

protected void queueJavaChange(String typeName) {
	URI typeURI = URIHelperConstants.OBJECTS_URI.appendSegment(typeName);
	QualifiedName qualifiedName = QualifiedName.create(Strings.split(typeName, '.'));
	NameBasedEObjectDescription nameBasedEObjectDescription = new NameBasedEObjectDescription(qualifiedName);
	TypeResourceDescription oldDescription = new TypeResourceDescription(typeURI, Collections.<IEObjectDescription>singletonList(nameBasedEObjectDescription));
	Delta delta = new ChangedResourceDescriptionDelta(oldDescription, null);
	queuedBuildData.queueChange(delta);
}
 

@Override
@Test public void testBug352214() {
	container.getResourceDescriptions(); // initialize uri map
	ResourceDescriptionChangeEvent event = new ResourceDescriptionChangeEvent(Collections.<IResourceDescription.Delta>singletonList(
			new ChangedResourceDescriptionDelta(resourceDescription, null)));
	simulateEmpty = true;
	container.descriptionsChanged(event);
	assertEquals(0, container.getResourceDescriptionCount());
	assertTrue(Iterables.all(container.getResourceDescriptions(), Predicates.notNull()));
	assertFalse(container.hasResourceDescription(uri)); 
	assertNull(container.getResourceDescription(uri));
}
 

protected ChangedResourceDescriptionDelta createDelta(IResourceDescription.Delta delta,
		IResourceDescription.Delta prev) {
	return new ChangedResourceDescriptionDelta(prev.getOld(), delta.getNew());
}
 

protected IResourceDescription.Delta createDelta(IResourceDescription old, IResourceDescription _new) {
	return new ChangedResourceDescriptionDelta(old, _new);
}
 

/**
 * @since 2.5
 */
protected Delta createContentChangeDelta(IResourceDescription oldDescription, IResourceDescription newDescription) {
	return new ChangedResourceDescriptionDelta(oldDescription, newDescription);
}
 

/**
 * @since 2.5
 */
protected IResourceDescription.Delta createStructureChangeDelta(IType type, IResourceDescription oldDescription,
		IResourceDescription newDescription) {
	return new ChangedResourceDescriptionDelta(oldDescription, newDescription);
}