public DownloadsScoreProvider(IndexReader reader,
IReadOnlyDictionary<string, int[]> idMapping,
Downloads downloads,
RankingResult ranking,
QueryBoostingContext context,
double baseBoost)
: base(reader)
{
_idMapping = idMapping;
_downloads = downloads;
_baseBoost = baseBoost;
_ranking = ranking;
_context = context;
// We need the reader name: Lucene *may* have multiple segments (which are smaller indices)
// and RankingsHandler provides us with the per-segment document numbers.
//
// If no segments are present (small index) we use an empty string, which is what
// Lucene also uses internally.
var segmentReader = reader as SegmentReader;
_readerName = segmentReader != null
? segmentReader.SegmentName
: string.Empty;
}
public DownloadsScoreProvider(IndexReader reader,
IReadOnlyDictionary <string, int[]> idMapping,
Downloads downloads,
RankingResult ranking,
QueryBoostingContext context,
double baseBoost)
: base(reader)
{
_idMapping = idMapping;
_downloads = downloads;
_baseBoost = baseBoost;
_ranking = ranking;
_context = context;
// We need the reader name: Lucene *may* have multiple segments (which are smaller indices)
// and RankingsHandler provides us with the per-segment document numbers.
//
// If no segments are present (small index) we use an empty string, which is what
// Lucene also uses internally.
var segmentReader = reader as SegmentReader;
_readerName = segmentReader != null
? segmentReader.SegmentName
: string.Empty;
}
public DownloadsBoostedQuery(Query query,
IReadOnlyDictionary <string, int[]> docIdMapping,
Downloads downloads,
RankingResult ranking,
QueryBoostingContext context,
double baseBoost = BaseBoostConstant)
: base(query)
{
_docIdMapping = docIdMapping;
_downloads = downloads;
_baseBoost = baseBoost;
_ranking = ranking;
_context = context;
Query = query;
}
public DownloadsBoostedQuery(Query query,
IReadOnlyDictionary<string, int[]> docIdMapping,
Downloads downloads,
RankingResult ranking,
QueryBoostingContext context,
double baseBoost = BaseBoostConstant)
: base(query)
{
_docIdMapping = docIdMapping;
_downloads = downloads;
_baseBoost = baseBoost;
_ranking = ranking;
_context = context;
Query = query;
}
private static Query MakeAutoCompleteQuery(string q,
IReadOnlyDictionary <string, int[]> docIdMapping,
Downloads downloads,
RankingResult rankings,
QueryBoostingContext context)
{
var query = NuGetQuery.MakeAutoCompleteQuery(q);
var boostedQuery = new DownloadsBoostedQuery(query,
docIdMapping,
downloads,
rankings,
context,
2.0);
return(boostedQuery);
}
public NuGetIndexSearcher(
NuGetSearcherManager manager,
IndexReader reader,
IDictionary <string, string> commitUserData,
IDictionary <string, Filter> curatedFeeds,
Dictionary <LatestListedMask, Filter> latest,
IReadOnlyDictionary <string, int[]> docIdMapping,
Downloads downloads,
VersionResult[] versions,
RankingResult rankings,
QueryBoostingContext context,
OpenBitSet latestBitSet,
OpenBitSet latestStableBitSet,
OpenBitSet latestSemVer2BitSet,
OpenBitSet latestStableSemVer2BitSet,
OwnersResult owners,
HashSet <string> verifiedPackages)
: base(reader)
{
Manager = manager;
CommitUserData = commitUserData;
_curatedFeeds = new Dictionary <string, Filter>(curatedFeeds.Count);
foreach (var curatedFeedsFilter in curatedFeeds)
{
_curatedFeeds.Add(curatedFeedsFilter.Key, new CachingWrapperFilter(curatedFeedsFilter.Value));
}
_latest = latest;
DocIdMapping = docIdMapping;
Downloads = downloads;
Versions = versions;
Rankings = rankings;
LatestBitSet = latestBitSet;
LatestStableBitSet = latestStableBitSet;
LatestSemVer2BitSet = latestSemVer2BitSet;
LatestStableSemVer2BitSet = latestStableSemVer2BitSet;
Owners = owners;
VerifiedPackages = verifiedPackages;
QueryBoostingContext = context;
LastReopen = DateTime.UtcNow;
}
private static float RankingScore(string readerName,
RankingResult rankings,
int doc,
double baseBoost)
{
// Override is based on the rankings JSON we generate, containing the top downloaded packages.
// RankingsHandler has created a mapping for us which has [documentId] = rank,
// so that we can do a quick lookup based on the document number in the current segment.
if (rankings.DocumentRankings[readerName].Length < doc)
{
return(1.0f);
}
var ranking = rankings.DocumentRankings[readerName][doc];
if (ranking == null)
{
return(1.0f);
}
var scoreAdjuser = Math.Pow(baseBoost, (1.2 - ((double)ranking.Rank / ((double)rankings.Count + 1.0)))) * 10;
return((float)scoreAdjuser);
}
public NuGetIndexSearcher(
NuGetSearcherManager manager,
IndexReader reader,
IDictionary<string, string> commitUserData,
IDictionary<string, Filter> curatedFeeds,
Filter[][] latest,
IReadOnlyDictionary<string, int[]> docIdMapping,
Downloads downloads,
VersionResult[] versions,
RankingResult rankings,
QueryBoostingContext context,
OpenBitSet latestBitSet,
OpenBitSet latestStableBitSet,
OwnersResult owners)
: base(reader)
{
Manager = manager;
CommitUserData = commitUserData;
_curatedFeeds = new Dictionary<string, Filter>(curatedFeeds.Count);
foreach (var curatedFeedsFilter in curatedFeeds)
{
_curatedFeeds.Add(curatedFeedsFilter.Key, new CachingWrapperFilter(curatedFeedsFilter.Value));
}
_latest = latest;
DocIdMapping = docIdMapping;
Downloads = downloads;
Versions = versions;
Rankings = rankings;
LatestBitSet = latestBitSet;
LatestStableBitSet = latestStableBitSet;
Owners = owners;
QueryBoostingContext = context;
LastReopen = DateTime.UtcNow;
}
private static float RankingScore(string readerName,
RankingResult rankings,
int doc,
double baseBoost)
{
// Override is based on the rankings JSON we generate, containing the top downloaded packages.
// RankingsHandler has created a mapping for us which has [documentId] = rank,
// so that we can do a quick lookup based on the document number in the current segment.
if (rankings.DocumentRankings[readerName].Length < doc)
{
return 1.0f;
}
var ranking = rankings.DocumentRankings[readerName][doc];
if (ranking == null)
{
return 1.0f;
}
var scoreAdjuser = Math.Pow(baseBoost, (1.2 - ((double)ranking.Rank / ((double)rankings.Count + 1.0)))) * 10;
return (float)scoreAdjuser;
}
private static Query MakeAutoCompleteQuery(string q,
IReadOnlyDictionary<string, int[]> docIdMapping,
Downloads downloads,
RankingResult rankings,
QueryBoostingContext context)
{
var query = NuGetQuery.MakeAutoCompleteQuery(q);
var boostedQuery = new DownloadsBoostedQuery(query,
docIdMapping,
downloads,
rankings,
context,
2.0);
return boostedQuery;
}
public void WriteRankingsResultNoRankingsTest()
{
var emptyRankings = new RankingBySegment();
var rankingResult = new RankingResult(3, emptyRankings);
var sb = new StringBuilder();
var sw = new StringWriter(sb);
using (var writer = new JsonTextWriter(sw))
{
ResponseFormatter.WriteRankingsResult(writer, rankingResult);
Assert.Equal("{\"rankings\":[]}", sb.ToString());
}
}
public void WriteRankingsResultTest()
{
var rankingsSegment = new RankingBySegment();
rankingsSegment[Constants.RankingsSegmentName] = GenerateRankings(numRankings: 5, idPrefix: Constants.RankingsIdPrefix);
var rankingResult = new RankingResult(3, rankingsSegment);
var sb = new StringBuilder();
var sw = new StringWriter(sb);
using (var writer = new JsonTextWriter(sw))
{
ResponseFormatter.WriteRankingsResult(writer, rankingResult);
Assert.Equal(string.Format("{{\"rankings\":[{{\"id\":\"{0}0\",\"Rank\":0}},{{\"id\":\"{0}1\",\"Rank\":1}},{{\"id\":\"{0}2\",\"Rank\":2}},{{\"id\":\"{0}3\",\"Rank\":3}},{{\"id\":\"{0}4\",\"Rank\":4}}]}}", Constants.RankingsIdPrefix), sb.ToString());
}
}
public void End(IndexReader indexReader)
{
Result = new RankingResult(_rankings.Count, _rankingBySegmentReaderName);
}
public void End(IndexReader indexReader)
{
Result = new RankingResult(_rankings.Count, _rankingBySegmentReaderName);
}