@Override
public List<Facet> getFacets(String facetingName) {
// if there are no facet requests we don't have to do anything
if (facetRequests.isEmpty() || !facetRequests.containsKey(facetingName)) {
return Collections.emptyList();
}
List<Facet> facets = null;
if (facetResults != null) {
facets = facetResults.get(facetingName);
}
if (facets != null) {
return facets;
}
DocumentExtractor queryDocumentExtractor = query.queryDocumentExtractor();
queryDocumentExtractor.close();
// handle edge case of an empty index
if (facetResults == null) {
return Collections.emptyList();
}
List<Facet> results = facetResults.get(facetingName);
if (results != null) {
return results;
} else {
return Collections.emptyList();
}
}
void queryHasChanged() {
facetFilter = null;
this.facetResults = null;
query.clearCachedResults();
}
