Lucene.Net  3.0.3
Lucene.Net is a .NET port of the Java Lucene Indexing Library
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TokenRangeSinkFilter.cs
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21 
22 using System;
23 using System.Collections.Generic;
24 using System.Linq;
25 using System.Text;
26 using Lucene.Net.Util;
27 
28 namespace Lucene.Net.Analysis.Sinks
29 {
30  public class TokenRangeSinkFilter : TeeSinkTokenFilter.SinkFilter
31  {
32  private int lower;
33  private int upper;
34  private int count;
35 
36  public TokenRangeSinkFilter(int lower, int upper)
37  {
38  this.lower = lower;
39  this.upper = upper;
40  }
41 
42  public override bool Accept(AttributeSource source)
43  {
44  try
45  {
46  if (count >= lower && count < upper)
47  {
48  return true;
49  }
50  return false;
51  }
52  finally
53  {
54  count++;
55  }
56  }
57 
58  public override void Reset()
59  {
60  count = 0;
61  }
62  }
63 }