public IList<LuceneResult> Search(Query query, SortField sortField, int limit, int offset, float threshold, LuceneProfiler profiler, Plug authPlug) {
return _disposalLock.ExecuteWithReadLock(() => {
using(profiler.ProfileQueryInternals()) {
EnsureInstanceNotDisposed();
var searcher = GetSearcher();
int numHits;
if(authPlug == null) {
numHits = Math.Min(searcher.MaxDoc(), limit == int.MaxValue ? int.MaxValue : limit + offset);
} else {
var setSizeGuessLong = ((long)offset + limit) * 5;
setSizeGuessLong = Math.Max(1000, setSizeGuessLong);
var setSizeGuess = setSizeGuessLong.ToInt();
numHits = Math.Min(searcher.MaxDoc(), setSizeGuess);
}
var collector = TopFieldCollector.create(
sortField == null ? new Sort() : new Sort(sortField),
numHits,
false, // fillFields, not required
true, // trackDocScores, required
true, // trackMaxScore, related to trackDocScores
sortField == null // should docs be in docId order?
);
searcher.Search(query, collector);
var docs = collector.TopDocs();
var maxscore = docs.GetMaxScore();
// Note: cheap way to avoid div/zero
if(maxscore == 0) {
maxscore = 1;
}
var items = from hit in docs.scoreDocs
let score = hit.score / maxscore
where score >= threshold
select new LuceneResult(searcher.Doc(hit.doc), score);
IList<LuceneResult> resultSet;
if(authPlug == null) {
if(offset > 0 || limit != int.MaxValue) {
items = items.Skip(offset).Take(limit);
}
resultSet = items.ToList();
} else {
resultSet = LuceneResultFilter.Filter(authPlug, items, offset, limit, new Result<IList<LuceneResult>>()).Wait();
}
return resultSet;
}
});
}
public IList <LuceneResult> Search(Query query, SortField sortField, int limit, int offset, float threshold, LuceneProfiler profiler, Plug authPlug)
{
return(_disposalLock.ExecuteWithReadLock(() => {
using (profiler.ProfileQueryInternals()) {
EnsureInstanceNotDisposed();
var searcher = GetSearcher();
int numHits;
if (authPlug == null)
{
numHits = Math.Min(searcher.MaxDoc(), limit == int.MaxValue ? int.MaxValue : limit + offset);
}
else
{
var setSizeGuessLong = ((long)offset + limit) * 5;
setSizeGuessLong = Math.Max(1000, setSizeGuessLong);
var setSizeGuess = setSizeGuessLong.ToInt();
numHits = Math.Min(searcher.MaxDoc(), setSizeGuess);
}
var collector = TopFieldCollector.create(
sortField == null ? new Sort() : new Sort(sortField),
numHits,
false, // fillFields, not required
true, // trackDocScores, required
true, // trackMaxScore, related to trackDocScores
sortField == null // should docs be in docId order?
);
searcher.Search(query, collector);
var docs = collector.TopDocs();
var maxscore = docs.GetMaxScore();
// Note: cheap way to avoid div/zero
if (maxscore == 0)
{
maxscore = 1;
}
var items = from hit in docs.scoreDocs
let score = hit.score / maxscore
where score >= threshold
select new LuceneResult(searcher.Doc(hit.doc), score);
IList <LuceneResult> resultSet;
if (authPlug == null)
{
if (offset > 0 || limit != int.MaxValue)
{
items = items.Skip(offset).Take(limit);
}
resultSet = items.ToList();
}
else
{
resultSet = LuceneResultFilter.Filter(authPlug, items, offset, limit, new Result <IList <LuceneResult> >()).Wait();
}
return resultSet;
}
}));
}
