Package org.apache.lucene.index

Examples of org.apache.lucene.index.FieldInvertState

241
242
243
244
245
246
247
248
249
250
251
252
253
          numFieldsWithTermVectorsInDocument += eFieldTermDocInfoFactoriesByTermText.getValue().size();
        }
        termsInDocument += eFieldTermDocInfoFactoriesByTermText.getValue().size();

        if (eFieldTermDocInfoFactoriesByTermText.getKey().indexed && !eFieldTermDocInfoFactoriesByTermText.getKey().omitNorms) {
          final FieldInvertState invertState = new FieldInvertState();
          invertState.setBoost(eFieldTermDocInfoFactoriesByTermText.getKey().boost * document.getDocument().getBoost());
          invertState.setLength(eFieldTermDocInfoFactoriesByTermText.getKey().fieldLength);
          final float norm = similarity.computeNorm(eFieldTermDocInfoFactoriesByTermText.getKey().fieldName, invertState);
          normsByFieldNameAndDocumentNumber.get(eFieldTermDocInfoFactoriesByTermText.getKey().fieldName)[document.getDocumentNumber()] = similarity.encodeNormValue(norm);
        } else {
          System.currentTimeMillis();
        }
View Full Code Here
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
      if (fieldName != cachedFieldName || sim != cachedSimilarity) { // not cached?
        Info info = getInfo(fieldName);
        int numTokens = info != null ? info.numTokens : 0;
        int numOverlapTokens = info != null ? info.numOverlapTokens : 0;
        float boost = info != null ? info.getBoost() : 1.0f;
        FieldInvertState invertState = new FieldInvertState(0, numTokens, numOverlapTokens, 0, boost);
        float n = sim.computeNorm(fieldName, invertState);
        byte norm = sim.encodeNormValue(n);
        norms = new byte[] {norm};
       
        // cache it for future reuse
View Full Code Here
226
227
228
229
230
231
232
233
234
235
236
237
238
                List<Number> bnorm = null;
                if (!field.getOmitNorms())
                {
                    bnorm = new ArrayList<Number>();

                    final FieldInvertState invertState = new FieldInvertState();
                    invertState.setBoost(doc.getBoost() * field.getBoost());
                    invertState.setLength(tokensInField);
                    final float norm = similarity.computeNorm(field.name(), invertState);

                    bnorm.add(Similarity.getDefault().encodeNormValue(norm));
                }

View Full Code Here
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
      if (fieldName != cachedFieldName || sim != cachedSimilarity) { // not cached?
        Info info = getInfo(fieldName);
        int numTokens = info != null ? info.numTokens : 0;
        int numOverlapTokens = info != null ? info.numOverlapTokens : 0;
        float boost = info != null ? info.getBoost() : 1.0f;
        FieldInvertState invertState = new FieldInvertState(0, numTokens, numOverlapTokens, 0, boost);
        float n = sim.computeNorm(fieldName, invertState);
        byte norm = sim.encodeNormValue(n);
        norms = new byte[] {norm};
       
        // cache it for future reuse
View Full Code Here
237
238
239
240
241
242
243
244
245
246
247
248
249
          numFieldsWithTermVectorsInDocument += eFieldTermDocInfoFactoriesByTermText.getValue().size();
        }
        termsInDocument += eFieldTermDocInfoFactoriesByTermText.getValue().size();

        if (eFieldTermDocInfoFactoriesByTermText.getKey().indexed && !eFieldTermDocInfoFactoriesByTermText.getKey().omitNorms) {
          final FieldInvertState invertState = new FieldInvertState();
          invertState.setBoost(eFieldTermDocInfoFactoriesByTermText.getKey().boost * document.getDocument().getBoost());
          invertState.setLength(eFieldTermDocInfoFactoriesByTermText.getKey().fieldLength);
          final float norm = similarity.computeNorm(eFieldTermDocInfoFactoriesByTermText.getKey().fieldName, invertState);
          normsByFieldNameAndDocumentNumber.get(eFieldTermDocInfoFactoriesByTermText.getKey().fieldName)[document.getDocumentNumber()] = similarity.encodeNormValue(norm);
        } else {
          System.currentTimeMillis();
        }
View Full Code Here
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
    Similarity d = new DefaultSimilarity();
    Similarity s = ss;


    // base case, should degrade
    final FieldInvertState invertState = new FieldInvertState();
    invertState.setBoost(1.0f);
    for (int i = 1; i < 1000; i++) {
      invertState.setLength(i);
      assertEquals("base case: i="+i,
                   d.computeNorm("foo", invertState),
                   s.computeNorm("foo", invertState),
                   0.0f);
    }

    // make a sweet spot
 
    ss.setLengthNormFactors(3,10,0.5f);
 
    for (int i = 3; i <=10; i++) {
      invertState.setLength(i);
      assertEquals("3,10: spot i="+i,
                   1.0f,
                   s.computeNorm("foo", invertState),
                   0.0f);
    }
 
    for (int i = 10; i < 1000; i++) {
      invertState.setLength(i-9);
      final float normD = d.computeNorm("foo", invertState);
      invertState.setLength(i);
      final float normS = s.computeNorm("foo", invertState);
      assertEquals("3,10: 10<x : i="+i,
                   normD,
                   normS,
                   0.0f);
    }


    // seperate sweet spot for certain fields

    ss.setLengthNormFactors("bar",8,13, 0.5f, false);
    ss.setLengthNormFactors("yak",6,9, 0.5f, false);

 
    for (int i = 3; i <=10; i++) {
      invertState.setLength(i);
      assertEquals("f: 3,10: spot i="+i,
                   1.0f,
                   s.computeNorm("foo", invertState),
                   0.0f);
    }
    for (int i = 10; i < 1000; i++) {
      invertState.setLength(i-9);
      final float normD = d.computeNorm("foo", invertState);
      invertState.setLength(i);
      final float normS = s.computeNorm("foo", invertState);
      assertEquals("f: 3,10: 10<x : i="+i,
                   normD,
                   normS,
                   0.0f);
    }
    for (int i = 8; i <=13; i++) {
      invertState.setLength(i);
      assertEquals("f: 8,13: spot i="+i,
                   1.0f,
                   s.computeNorm("bar", invertState),
                   0.0f);
    }
    for (int i = 6; i <=9; i++) {
      invertState.setLength(i);
      assertEquals("f: 6,9: spot i="+i,
                   1.0f,
                   s.computeNorm("yak", invertState),
                   0.0f);
    }
    for (int i = 13; i < 1000; i++) {
      invertState.setLength(i-12);
      final float normD = d.computeNorm("foo", invertState);
      invertState.setLength(i);
      final float normS = s.computeNorm("bar", invertState);
      assertEquals("f: 8,13: 13<x : i="+i,
                   normD,
                   normS,
                   0.0f);
    }
    for (int i = 9; i < 1000; i++) {
      invertState.setLength(i-8);
      final float normD = d.computeNorm("foo", invertState);
      invertState.setLength(i);
      final float normS = s.computeNorm("yak", invertState);
      assertEquals("f: 6,9: 9<x : i="+i,
                   normD,
                   normS,
                   0.0f);
    }


    // steepness

    ss.setLengthNormFactors("a",5,8,0.5f, false);
    ss.setLengthNormFactors("b",5,8,0.1f, false);

    for (int i = 9; i < 1000; i++) {
      invertState.setLength(i);
      final float normSS = ss.computeNorm("a", invertState);
      final float normS = s.computeNorm("b", invertState);
      assertTrue("s: i="+i+" : a="+normSS+
                 " < b="+normS,
                 normSS < normS);
View Full Code Here
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
      if (fieldName != cachedFieldName || sim != cachedSimilarity) { // not cached?
        Info info = getInfo(fieldName);
        int numTokens = info != null ? info.numTokens : 0;
        int numOverlapTokens = info != null ? info.numOverlapTokens : 0;
        float boost = info != null ? info.getBoost() : 1.0f;
        FieldInvertState invertState = new FieldInvertState(0, numTokens, numOverlapTokens, 0, boost);
        float n = sim.computeNorm(fieldName, invertState);
        byte norm = Similarity.encodeNorm(n);
        norms = new byte[] {norm};
       
        // cache it for future reuse
View Full Code Here
TOP

Related Classes of org.apache.lucene.index.FieldInvertState

  • lucandra.IndexWriter
  • org.apache.lucene.index.memory.MemoryIndex$MemoryIndexReader
  • org.apache.lucene.misc.SweetSpotSimilarityTest
  • org.apache.lucene.search.similarities.TestSimilarityBase
  • org.apache.lucene.store.instantiated.InstantiatedIndexWriter
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.