@Override
public Facet reduce(List<Facet> facets) {
if (facets.size() == 1) {
return facets.get(0);
}
InternalDoubleTermsFacet first = (InternalDoubleTermsFacet) facets.get(0);
TDoubleIntHashMap aggregated = CacheRecycler.popDoubleIntMap();
long missing = 0;
long total = 0;
for (Facet facet : facets) {
InternalDoubleTermsFacet mFacet = (InternalDoubleTermsFacet) facet;
missing += mFacet.getMissingCount();
total += mFacet.getTotalCount();
for (DoubleEntry entry : mFacet.entries) {
aggregated.adjustOrPutValue(entry.term, entry.getCount(), entry.getCount());
}
}
BoundedTreeSet<DoubleEntry> ordered =
new BoundedTreeSet<DoubleEntry>(first.comparatorType.comparator(), first.requiredSize);
for (TDoubleIntIterator it = aggregated.iterator(); it.hasNext(); ) {
it.advance();
ordered.add(new DoubleEntry(it.key(), it.value()));
}
first.entries = ordered;
first.missing = missing;
first.total = total;
CacheRecycler.pushDoubleIntMap(aggregated);
return first;
}
public static InternalDoubleTermsFacet readTermsFacet(StreamInput in) throws IOException {
InternalDoubleTermsFacet facet = new InternalDoubleTermsFacet();
facet.readFrom(in);
return facet;
}