@Override
public ScoredCandidates<Container> generate(Container content, ResultDescription desc) {
OptionalMap<String, EquivalenceSummary> childSummaries =
summaryStore.summariesForUris(Iterables.transform(content.getChildRefs(), ChildRef.TO_URI));
Multiset<String> parents = HashMultiset.create();
for (EquivalenceSummary summary : Optional.presentInstances(childSummaries.values())) {
Iterables.addAll(
parents,
Iterables.filter(
Iterables.transform(summary.getEquivalents().values(), TO_PARENT),
Predicates.notNull()));
}
return scoreContainers(parents, childSummaries.size(), desc);
}
private static Iterable<Field> filterFields(Iterable<ArgInfo> infos, Predicate<Field> filter) {
return Iterables.filter(
Optional.presentInstances(Iterables.transform(infos, TO_FIELD)), filter);
}
