protected LegacyIndexHits query(
Query query,
String keyForDirectLookup,
Object valueForDirectLookup,
QueryContext additionalParametersOrNull) {
List<Long> ids = new ArrayList<>();
Collection<Long> removedIds = Collections.emptySet();
IndexSearcher additionsSearcher = null;
if (transaction != null) {
if (keyForDirectLookup != null) {
ids.addAll(transaction.getAddedIds(this, keyForDirectLookup, valueForDirectLookup));
} else {
additionsSearcher = transaction.getAdditionsAsSearcher(this, additionalParametersOrNull);
}
removedIds =
keyForDirectLookup != null
? transaction.getRemovedIds(this, keyForDirectLookup, valueForDirectLookup)
: transaction.getRemovedIds(this, query);
}
LegacyIndexHits idIterator = null;
IndexReference searcher = null;
dataSource.getReadLock();
try {
searcher = dataSource.getIndexSearcher(identifier);
} finally {
dataSource.releaseReadLock();
}
if (searcher != null) {
boolean foundInCache = false;
LruCache<String, Collection<Long>> cachedIdsMap = null;
if (keyForDirectLookup != null) {
cachedIdsMap = dataSource.getFromCache(identifier, keyForDirectLookup);
foundInCache =
fillFromCache(cachedIdsMap, ids, valueForDirectLookup.toString(), removedIds);
}
if (!foundInCache) {
DocToIdIterator searchedIds =
new DocToIdIterator(
search(searcher, query, additionalParametersOrNull, additionsSearcher, removedIds),
removedIds,
searcher);
if (ids.isEmpty()) {
idIterator = searchedIds;
} else {
Collection<LegacyIndexHits> iterators = new ArrayList<>();
iterators.add(searchedIds);
iterators.add(new ConstantScoreIterator(ids, Float.NaN));
idIterator = new CombinedIndexHits(iterators);
}
}
}
idIterator = idIterator == null ? new ConstantScoreIterator(ids, 0) : idIterator;
return idIterator;
}
@Override
protected void fillDocument(Document document, long nodeId, String key, Object value) {
super.fillDocument(document, nodeId, key, value);
document.add(
new Field(
LuceneFulltextIndexService.DOC_INDEX_SOURCE_KEY,
value.toString(),
Field.Store.NO,
Field.Index.NOT_ANALYZED));
}