private static IObservableMap[] createAttributeMap(
IObservableSet knownElements, AbstractColumnLabelProviderDelegate... baseProviders) {
List<String> propertyNamesToObserve = new ArrayList<String>();
for (AbstractColumnLabelProviderDelegate baseProvider : baseProviders) {
propertyNamesToObserve.addAll(baseProvider.getPropertyNamesToObserve());
}
IValueProperty[] labelProperties = new IValueProperty[propertyNamesToObserve.size()];
for (int i = 0; i < labelProperties.length; i++) {
IBeanValueProperty property = BeanProperties.value(propertyNamesToObserve.get(i));
labelProperties[i] = property;
}
return Properties.observeEach(knownElements, labelProperties);
}
