@SuppressWarnings({"StringEquality"})
@Override
public void run() {
TermDocs termDocs = null;
TermEnum termEnum = null;
try {
BloomFilter filter = BloomFilterFactory.getFilter(reader.numDocs(), 15);
termDocs = reader.termDocs();
termEnum = reader.terms(new Term(field));
do {
Term term = termEnum.term();
if (term == null || term.field() != field) break;
// LUCENE MONITOR: 4.0, move to use bytes!
UnicodeUtil.UTF8Result utf8Result = Unicode.fromStringAsUtf8(term.text());
termDocs.seek(termEnum);
while (termDocs.next()) {
// when traversing, make sure to ignore deleted docs, so the key->docId will be correct
if (!reader.isDeleted(termDocs.doc())) {
filter.add(utf8Result.result, 0, utf8Result.length);
}
}
} while (termEnum.next());
ConcurrentMap<String, BloomFilterEntry> fieldCache = cache.get(reader.getFieldCacheKey());
if (fieldCache != null) {
if (fieldCache.containsKey(field)) {
BloomFilterEntry filterEntry = new BloomFilterEntry(reader.numDocs(), filter);
filterEntry.loading.set(false);
fieldCache.put(field, filterEntry);
}
}
} catch (Exception e) {
logger.warn("failed to load bloom filter for [{}]", e, field);
} finally {
try {
if (termDocs != null) {
termDocs.close();
}
} catch (IOException e) {
// ignore
}
try {
if (termEnum != null) {
termEnum.close();
}
} catch (IOException e) {
// ignore
}
}
}
private UidField.DocIdAndVersion loadCurrentVersionFromIndex(
BloomCache bloomCache, Engine.Searcher searcher, Term uid) {
UnicodeUtil.UTF8Result utf8 = Unicode.fromStringAsUtf8(uid.text());
for (IndexReader reader : searcher.searcher().subReaders()) {
BloomFilter filter = bloomCache.filter(reader, UidFieldMapper.NAME, true);
// we know that its not there...
if (!filter.isPresent(utf8.result, 0, utf8.length)) {
continue;
}
UidField.DocIdAndVersion docIdAndVersion = UidField.loadDocIdAndVersion(reader, uid);
// either -2 (its there, but no version associated), or an actual version
if (docIdAndVersion.docId != -1) {
return docIdAndVersion;
}
}
return null;
}