private ScoredCandidates<Container> scoreContainers(
Multiset<String> parents, int children, ResultDescription desc) {
Builder<Container> candidates = DefaultScoredCandidates.fromSource(NAME);
ResolvedContent containers = resolver.findByCanonicalUris(parents.elementSet());
for (Multiset.Entry<String> parent : parents.entrySet()) {
Maybe<Identified> possibledContainer = containers.get(parent.getElement());
if (possibledContainer.hasValue()) {
Identified identified = possibledContainer.requireValue();
if (identified instanceof Container) {
Container container = (Container) identified;
Score score = score(parent.getCount(), children);
candidates.addEquivalent(container, score);
desc.appendText(
"%s: scored %s (%s)", container.getCanonicalUri(), score, container.getTitle());
} else {
desc.appendText("%s: %s not container", parent, identified.getClass().getSimpleName());
}
} else {
desc.appendText("%s: missing", parent);
}
}
return candidates.build();
}
/**
* Calculates a score representing the similarity of the candidate's title compared to the
* subject's title.
*
* @param subject - subject content
* @param candidate - candidate content
* @return score representing how closely candidate's title matches subject's title.
*/
public Score score(Content subject, Content candidate, ResultDescription desc) {
if (subject.getTitle() == null || candidate.getTitle() == null) {
return Score.NULL_SCORE;
}
String subjectTitle = sanitize(subject.getTitle());
String contentTitle = sanitize(candidate.getTitle());
double score = score(subjectTitle, contentTitle);
desc.appendText(
"%s vs. %s (%s): %s", subjectTitle, contentTitle, candidate.getCanonicalUri(), score);
return Score.valueOf(score);
}
public ScoredCandidates<T> scoreCandidates(
T content, Iterable<? extends T> candidates, ResultDescription desc) {
Builder<T> equivalents = DefaultScoredCandidates.fromSource(name);
desc.appendText("Scoring %s candidates", Iterables.size(candidates));
for (T found : ImmutableSet.copyOf(candidates)) {
equivalents.addEquivalent(found, score(content, found, desc));
}
return equivalents.build();
}