private static final int[] computeMultivaluedTD(
ReaderAbstract reader,
String fieldName,
FieldCacheIndex stringIndex,
DocIdInterface docIdInterface)
throws IOException, SearchLibException {
int[] countIndex = new int[stringIndex.lookup.length];
int indexPos = 0;
if (docIdInterface.getSize() == 0) return countIndex;
int[] docs = new int[100];
int[] freqs = new int[100];
BitSetInterface bitset = docIdInterface.getBitSet();
Term oTerm = new Term(fieldName);
for (String term : stringIndex.lookup) {
if (term != null) {
Term t = oTerm.createTerm(term);
TermDocs termDocs = reader.getTermDocs(t);
int l;
while ((l = termDocs.read(docs, freqs)) > 0)
for (int i = 0; i < l; i++)
if (freqs[i] > 0) if (bitset.get(docs[i])) countIndex[indexPos]++;
termDocs.close();
}
indexPos++;
}
return countIndex;
}
private static final int[] computeSinglevalued(
FieldCacheIndex stringIndex, DocIdInterface collector) throws IOException {
int[] countArray = new int[stringIndex.lookup.length];
int[] order = stringIndex.order;
int i = collector.getSize();
for (int id : collector.getIds()) {
if (i == 0) break;
countArray[order[id]]++;
i--;
}
return countArray;
}
private static final Map<String, FacetItem> computeMultivaluedTFV(
ReaderAbstract reader, String fieldName, DocIdInterface docIdInterface)
throws IOException, SearchLibException {
Map<String, FacetItem> termMap = new HashMap<String, FacetItem>();
if (docIdInterface.getSize() == 0) return termMap;
for (int docId : docIdInterface.getIds()) {
TermFreqVector tfv = reader.getTermFreqVector(docId, fieldName);
if (tfv == null) continue;
String[] terms = tfv.getTerms();
int[] freqs = tfv.getTermFrequencies();
if (terms == null || freqs == null) continue;
int i = 0;
for (String term : terms) {
if (freqs[i++] > 0) {
FacetItem facetItem = termMap.get(term);
if (facetItem == null) termMap.put(term, new FacetItem(term, 1));
else facetItem.count++;
}
}
}
return termMap;
}