public virtual void Test()
{
BoostingTermQuery query = new BoostingTermQuery(new Term("field", "seventy"));
TopDocs hits = searcher.Search(query, null, 100);
Assert.IsTrue(hits != null, "hits is null and it shouldn't be");
Assert.IsTrue(hits.TotalHits == 100, "hits Size: " + hits.TotalHits + " is not: " + 100);
//they should all have the exact same score, because they all contain seventy once, and we set
//all the other similarity factors to be 1
Assert.IsTrue(hits.GetMaxScore() == 1, hits.GetMaxScore() + " does not equal: " + 1);
for (int i = 0; i < hits.ScoreDocs.Length; i++)
{
ScoreDoc doc = hits.ScoreDocs[i];
Assert.IsTrue(doc.score == 1, doc.score + " does not equal: " + 1);
}
CheckHits.CheckExplanations(query, PayloadHelper.FIELD, searcher, true);
Lucene.Net.Search.Spans.Spans spans = query.GetSpans(searcher.GetIndexReader());
Assert.IsTrue(spans != null, "spans is null and it shouldn't be");
Assert.IsTrue(spans is TermSpans, "spans is not an instanceof " + typeof(TermSpans));
/*float score = hits.score(0);
* for (int i =1; i < hits.length(); i++)
* {
* Assert.IsTrue(score == hits.score(i), "scores are not equal and they should be");
* }*/
}
//
public /*protected internal*/ override bool SetFreqCurrentDoc()
{
if (!more)
{
return(false);
}
Lucene.Net.Search.Spans.Spans[] spansArr = new Lucene.Net.Search.Spans.Spans[1];
spansArr[0] = spans;
payloadScore = 0;
payloadsSeen = 0;
GetPayloads(spansArr);
return(base.SetFreqCurrentDoc());
}
public virtual void TestIgnoreSpanScorer()
{
PayloadTermQuery query = new PayloadTermQuery(new Term(PayloadHelper.MULTI_FIELD, "seventy"), new MaxPayloadFunction(), false);
IndexSearcher theSearcher = new IndexSearcher(directory, true, null);
theSearcher.Similarity = new FullSimilarity();
TopDocs hits = searcher.Search(query, null, 100, null);
Assert.IsTrue(hits != null, "hits is null and it shouldn't be");
Assert.IsTrue(hits.TotalHits == 100, "hits Size: " + hits.TotalHits + " is not: " + 100);
//they should all have the exact same score, because they all contain seventy once, and we set
//all the other similarity factors to be 1
//System.out.println("Hash: " + seventyHash + " Twice Hash: " + 2*seventyHash);
Assert.IsTrue(hits.MaxScore == 4.0, hits.MaxScore + " does not equal: " + 4.0);
//there should be exactly 10 items that score a 4, all the rest should score a 2
//The 10 items are: 70 + i*100 where i in [0-9]
int numTens = 0;
for (int i = 0; i < hits.ScoreDocs.Length; i++)
{
ScoreDoc doc = hits.ScoreDocs[i];
if (doc.Doc % 10 == 0)
{
numTens++;
Assert.IsTrue(doc.Score == 4.0, doc.Score + " does not equal: " + 4.0);
}
else
{
Assert.IsTrue(doc.Score == 2, doc.Score + " does not equal: " + 2);
}
}
Assert.IsTrue(numTens == 10, numTens + " does not equal: " + 10);
CheckHits.CheckExplanations(query, "field", searcher, true);
Lucene.Net.Search.Spans.Spans spans = query.GetSpans(searcher.IndexReader, null);
Assert.IsTrue(spans != null, "spans is null and it shouldn't be");
Assert.IsTrue(spans is TermSpans, "spans is not an instanceof " + typeof(TermSpans));
//should be two matches per document
int count = 0;
//100 hits times 2 matches per hit, we should have 200 in count
while (spans.Next(null))
{
count++;
}
}
private void GetPayloads(ICollection <byte[]> payloads, SpanQuery query)
{
Lucene.Net.Search.Spans.Spans spans = query.GetSpans(reader);
while (spans.Next() == true)
{
if (spans.IsPayloadAvailable())
{
//ICollection<byte[]> payload = spans.GetPayload();
ICollection <byte[]> payload = spans.GetPayload();
//IEnumerator<byte[]> it = payload.GetEnumerator();
foreach (byte[] bytes in payload)
{
payloads.Add(bytes);
}
}
}
}
public override SpanFilterResult BitSpans(IndexReader reader)
{
System.Collections.BitArray bits = new System.Collections.BitArray((reader.MaxDoc() % 64 == 0 ? reader.MaxDoc() / 64 : reader.MaxDoc() / 64 + 1) * 64);
Lucene.Net.Search.Spans.Spans spans = query.GetSpans(reader);
System.Collections.IList tmp = new System.Collections.ArrayList(20);
int currentDoc = -1;
SpanFilterResult.PositionInfo currentInfo = null;
while (spans.Next())
{
int doc = spans.Doc();
bits.Set(doc, true);
if (currentDoc != doc)
{
currentInfo = new SpanFilterResult.PositionInfo(doc);
tmp.Add(currentInfo);
currentDoc = doc;
}
currentInfo.AddPosition(spans.Start(), spans.End());
}
return(new SpanFilterResult(bits, tmp));
}
public override SpanFilterResult BitSpans(IndexReader reader, IState state)
{
OpenBitSet bits = new OpenBitSet(reader.MaxDoc);
Lucene.Net.Search.Spans.Spans spans = internalQuery.GetSpans(reader, state);
IList <SpanFilterResult.PositionInfo> tmp = new List <SpanFilterResult.PositionInfo>(20);
int currentDoc = -1;
SpanFilterResult.PositionInfo currentInfo = null;
while (spans.Next(state))
{
int doc = spans.Doc();
bits.Set(doc);
if (currentDoc != doc)
{
currentInfo = new SpanFilterResult.PositionInfo(doc);
tmp.Add(currentInfo);
currentDoc = doc;
}
currentInfo.AddPosition(spans.Start(), spans.End());
}
return(new SpanFilterResult(bits, tmp));
}
protected internal PayloadNearSpanScorer(PayloadNearQuery enclosingInstance, Lucene.Net.Search.Spans.Spans spans, Weight weight, Similarity similarity, byte[] norms) : base(spans, weight, similarity, norms)
{
InitBlock(enclosingInstance);
this.spans = spans;
}
//
/*protected internal*/
public override bool SetFreqCurrentDoc()
{
Lucene.Net.Search.Spans.Spans[] spansArr = new Lucene.Net.Search.Spans.Spans[1];
spansArr[0] = spans;
payloadScore = 0;
payloadsSeen = 0;
GetPayloads(spansArr);
return base.SetFreqCurrentDoc();
}
protected internal PayloadNearSpanScorer(PayloadNearQuery enclosingInstance, Lucene.Net.Search.Spans.Spans spans, Weight weight, Similarity similarity, byte[] norms)
: base(spans, weight, similarity, norms)
{
InitBlock(enclosingInstance);
this.spans = spans;
}
//
public /*protected internal*/ override bool SetFreqCurrentDoc()
{
if (!more)
{
return false;
}
Lucene.Net.Search.Spans.Spans[] spansArr = new Lucene.Net.Search.Spans.Spans[1];
spansArr[0] = spans;
payloadScore = 0;
payloadsSeen = 0;
GetPayloads(spansArr);
return base.SetFreqCurrentDoc();
}
public virtual void TestPayloadsPos0()
{
Directory dir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir, new TestPayloadAnalyzer(), true,
IndexWriter.MaxFieldLength.LIMITED);
Document doc = new Document();
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.IO.StreamWriter sw = new System.IO.StreamWriter(ms);
sw.Write("a a b c d e a f g h i j a b k k");
// flush to stream & reset it's position so it can be read
sw.Flush();
ms.Position = 0;
doc.Add(new Field("content", new System.IO.StreamReader(ms)));
writer.AddDocument(doc);
IndexReader r = writer.GetReader();
TermPositions tp = r.TermPositions(new Term("content", "a"));
int count = 0;
Assert.IsTrue(tp.Next());
// "a" occurs 4 times
Assert.AreEqual(4, tp.Freq);
int expected = 0;
Assert.AreEqual(expected, tp.NextPosition());
Assert.AreEqual(1, tp.NextPosition());
Assert.AreEqual(3, tp.NextPosition());
Assert.AreEqual(6, tp.NextPosition());
// only one doc has "a"
Assert.IsFalse(tp.Next());
IndexSearcher is_Renamed = new IndexSearcher(r);
SpanTermQuery stq1 = new SpanTermQuery(new Term("content", "a"));
SpanTermQuery stq2 = new SpanTermQuery(new Term("content", "k"));
SpanQuery[] sqs = new SpanQuery[] { stq1, stq2 };
SpanNearQuery snq = new SpanNearQuery(sqs, 30, false);
count = 0;
bool sawZero = false;
//System.out.println("\ngetPayloadSpans test");
Lucene.Net.Search.Spans.Spans pspans = snq.GetSpans(is_Renamed.IndexReader);
while (pspans.Next())
{
//System.out.println(pspans.doc() + " - " + pspans.start() + " - "+ pspans.end());
System.Collections.Generic.ICollection <byte[]> payloads = pspans.GetPayload();
sawZero |= pspans.Start() == 0;
for (System.Collections.IEnumerator it = payloads.GetEnumerator(); it.MoveNext();)
{
count++;
System.Object generatedAux2 = it.Current;
//System.out.println(new String((byte[]) it.next()));
}
}
Assert.AreEqual(5, count);
Assert.IsTrue(sawZero);
//System.out.println("\ngetSpans test");
Lucene.Net.Search.Spans.Spans spans = snq.GetSpans(is_Renamed.IndexReader);
count = 0;
sawZero = false;
while (spans.Next())
{
count++;
sawZero |= spans.Start() == 0;
//System.out.println(spans.doc() + " - " + spans.start() + " - " + spans.end());
}
Assert.AreEqual(4, count);
Assert.IsTrue(sawZero);
//System.out.println("\nPayloadSpanUtil test");
sawZero = false;
PayloadSpanUtil psu = new PayloadSpanUtil(is_Renamed.IndexReader);
System.Collections.Generic.ICollection <byte[]> pls = psu.GetPayloadsForQuery(snq);
count = pls.Count;
for (System.Collections.IEnumerator it = pls.GetEnumerator(); it.MoveNext();)
{
System.String s = new System.String(System.Text.UTF8Encoding.UTF8.GetChars((byte[])it.Current));
//System.out.println(s);
sawZero |= s.Equals("pos: 0");
}
Assert.AreEqual(5, count);
Assert.IsTrue(sawZero);
writer.Close();
is_Renamed.IndexReader.Close();
dir.Close();
}
