private void createUniquenessRestrictions() {
Set<Id> uniqueIds = new HashSet<>();
for (ItemPreset itemPreset : getItemPresets().values()) {
if (itemPreset.isUnique()) {
uniqueIds.add(itemPreset.getId());
}
}
restrictions = new UniquenessRestrictions(uniqueIds);
}
/**
* Iterates over all presets of a Collection, adding them to this factory after they are
* validated.
*/
private void addAllPresets(Collection<ItemPreset> presets) {
for (ItemPreset preset : presets) {
Id id = preset.getId();
if (itemPresets.containsKey(id)) {
throw new IllegalArgumentException(
"factory already contains a preset with the Id " + preset.getId() + ".");
}
itemPresets.put(id, preset);
}
}