public void addSpecification(ItemSpecification itemSpecification) {
int version = 0;
for (ItemSpecification specification : itemSpecs) {
if (specification.getClass().equals(itemSpecification.getClass())) {
version++;
}
}
itemSpecification.setVersion(version);
itemSpecification.setItem(this);
itemSpecs.add(itemSpecification);
if (itemSpecification.getType() != null) {
if (TextUtils.isEmpty(itemTypes)) itemTypes = ITEM_TYPES_SEP;
itemTypes = itemTypes.concat(itemSpecification.getType().name() + ITEM_TYPES_SEP);
}
}
