Lucene.Net  3.0.3
Lucene.Net is a .NET port of the Java Lucene Indexing Library
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PositiveScoresOnlyCollector.cs
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2  * Licensed to the Apache Software Foundation (ASF) under one or more
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9  * http://www.apache.org/licenses/LICENSE-2.0
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17 
18 using System;
19 
20 using IndexReader = Lucene.Net.Index.IndexReader;
21 
22 namespace Lucene.Net.Search
23 {
24 
30  {
31 
32  private Collector c;
33  private Scorer scorer;
34 
36  {
37  this.c = c;
38  }
39 
40  public override void Collect(int doc)
41  {
42  if (scorer.Score() > 0)
43  {
44  c.Collect(doc);
45  }
46  }
47 
48  public override void SetNextReader(IndexReader reader, int docBase)
49  {
50  c.SetNextReader(reader, docBase);
51  }
52 
53  public override void SetScorer(Scorer scorer)
54  {
55  // Set a ScoreCachingWrappingScorer in case the wrapped Collector will call
56  // score() also.
57  this.scorer = new ScoreCachingWrappingScorer(scorer);
58  c.SetScorer(this.scorer);
59  }
60 
61  public override bool AcceptsDocsOutOfOrder
62  {
63  get { return c.AcceptsDocsOutOfOrder; }
64  }
65  }
66 }