private void stitch(
Episode subjectEpisode,
EquivalenceSummary equivalenceSummary,
Multimap<Container, Episode> equivalentsChildren,
ReadableDescription desc) {
String subjectUri = subjectEpisode.getCanonicalUri();
desc.startStage(subjectUri);
Map<Publisher, ContentRef> equivalents = equivalenceSummary.getEquivalents();
Set<ContentRef> additionalEquivs = Sets.newHashSet();
for (Entry<Container, Collection<Episode>> contentHierarchy :
equivalentsChildren.asMap().entrySet()) {
Container container = contentHierarchy.getKey();
for (Episode equivChild : contentHierarchy.getValue()) {
if (matchingSequenceNumbers(subjectEpisode, equivChild)) {
Publisher publisher = equivChild.getPublisher();
ContentRef existingEquiv = equivalents.get(publisher);
if (existingEquiv != null) {
desc.appendText(
"existing strong equiv %s not overwritten by %s", existingEquiv, equivChild);
} else {
desc.appendText("adding %s (%s)", equivChild, container);
additionalEquivs.add(ContentRef.valueOf(equivChild));
}
break;
}
}
}
if (!additionalEquivs.isEmpty()) {
additionalEquivs.addAll(equivalents.values());
lookupWriter.writeLookup(ContentRef.valueOf(subjectEpisode), additionalEquivs, publishers);
}
desc.finishStage();
}
@Override
public String apply(ContentRef input) {
return input.getParentUri();
}