ODOMLabelDecorator labelDecorator = new ODOMLabelDecorator(
context.getPolicyResource(),
new DeviceProblemMarkerFinder(
context.getDeviceRepositoryAccessorManager()),
new TreeItemContainer(tree));
treeViewer.setLabelProvider(new DecoratingLabelProvider(
labelProvider, labelDecorator));
treeViewer.setInput(context.getDeviceRepositoryAccessorManager().