.register(new FirstResourcePropertyResolverFactory(
resolverId1, DataType.NUMBER));
/* define initialization mapping */
final Map<Slot, VisualItemValueResolver> initialSlotMapping = new HashMap<Slot, VisualItemValueResolver>();
VisualItemValueResolver resolver = new ManagedVisualItemValueResolverDecorator(
resolverId1, new FirstResourcePropertyResolver(property1,
DataType.NUMBER));
initialSlotMapping.put(requiredSlots[0], resolver);
slotMappingInitializer = new TestSlotMappingInitializer(