public static <Source, Target> AuraFilter<Source, Target> and(
AuraFilter<? super Source, ? super Target> filter1,
AuraFilter<? super Source, ? super Target> filter2) {
return (World world, Source source, Target target) -> {
return filter1.isApplicable(world, source, target)
&& filter2.isApplicable(world, source, target);
};
}
public static <Self, T> AuraFilter<? super Self, ? super T> merge(
Collection<? extends AuraFilter<? super Self, ? super T>> filters) {
int filterCount = filters.size();
if (filterCount == 0) {
return AuraFilter.ANY;
}
if (filterCount == 1) {
return filters.iterator().next();
}
List<AuraFilter<? super Self, ? super T>> filtersCopy = new ArrayList<>(filters);
ExceptionHelper.checkNotNullElements(filtersCopy, "filters");
return (World world, Self owner, T eventSource) -> {
for (AuraFilter<? super Self, ? super T> filter : filtersCopy) {
if (!filter.isApplicable(world, owner, eventSource)) {
return false;
}
}
return true;
};
}