Package org.apache.lucene.document

Examples of org.apache.lucene.document.FloatDocValuesField

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    doc.add(new SortedDocValuesField("dvBytesSortedFixed", ref));
    doc.add(new SortedDocValuesField("dvBytesSortedVar", ref));
    doc.add(new BinaryDocValuesField("dvBytesStraightFixed", ref));
    doc.add(new BinaryDocValuesField("dvBytesStraightVar", ref));
    doc.add(new DoubleDocValuesField("dvDouble", (double)id));
    doc.add(new FloatDocValuesField("dvFloat", (float)id));
    doc.add(new NumericDocValuesField("dvInt", id));
    doc.add(new NumericDocValuesField("dvLong", id));
    doc.add(new NumericDocValuesField("dvPacked", id));
    doc.add(new NumericDocValuesField("dvShort", (short)id));
    doc.add(new SortedSetDocValuesField("dvSortedSet", ref));
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  public void testBasicFloat() throws Exception {
    Directory d = newDirectory();
    RandomIndexWriter w = new RandomIndexWriter(random(), d);
    Document doc = new Document();
    FloatDocValuesField field = new FloatDocValuesField("field", 0.0f);
    doc.add(field);
    for(long l=0;l<100;l++) {
      field.setFloatValue(l);
      w.addDocument(doc);
    }

    IndexReader r = w.getReader();
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    float maxValue = Float.NEGATIVE_INFINITY;
    for(int i=0;i<numDocs;i++) {
      Document doc = new Document();
      float v = random().nextFloat();
      values[i] = v;
      doc.add(new FloatDocValuesField("field", v));
      doc.add(new FloatField("field", v, Field.Store.NO));
      w.addDocument(doc);
      minValue = Math.min(minValue, v);
      maxValue = Math.max(maxValue, v);
    }
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  /** Tests sorting on type float */
  public void testFloat() throws IOException {
    Directory dir = newDirectory();
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    Document doc = new Document();
    doc.add(new FloatDocValuesField("value", 30.1F));
    doc.add(newStringField("value", "30.1", Field.Store.YES));
    writer.addDocument(doc);
    doc = new Document();
    doc.add(new FloatDocValuesField("value", -1.3F));
    doc.add(newStringField("value", "-1.3", Field.Store.YES));
    writer.addDocument(doc);
    doc = new Document();
    doc.add(new FloatDocValuesField("value", 4.2F));
    doc.add(newStringField("value", "4.2", Field.Store.YES));
    writer.addDocument(doc);
    IndexReader ir = writer.getReader();
    writer.close();
   
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  /** Tests sorting on type float in reverse */
  public void testFloatReverse() throws IOException {
    Directory dir = newDirectory();
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
    Document doc = new Document();
    doc.add(new FloatDocValuesField("value", 30.1F));
    doc.add(newStringField("value", "30.1", Field.Store.YES));
    writer.addDocument(doc);
    doc = new Document();
    doc.add(new FloatDocValuesField("value", -1.3F));
    doc.add(newStringField("value", "-1.3", Field.Store.YES));
    writer.addDocument(doc);
    doc = new Document();
    doc.add(new FloatDocValuesField("value", 4.2F));
    doc.add(newStringField("value", "4.2", Field.Store.YES));
    writer.addDocument(doc);
    IndexReader ir = writer.getReader();
    writer.close();
   
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    doc.add(new SortedDocValuesField("dvBytesSortedFixed", ref));
    doc.add(new SortedDocValuesField("dvBytesSortedVar", ref));
    doc.add(new BinaryDocValuesField("dvBytesStraightFixed", ref));
    doc.add(new BinaryDocValuesField("dvBytesStraightVar", ref));
    doc.add(new DoubleDocValuesField("dvDouble", (double)id));
    doc.add(new FloatDocValuesField("dvFloat", (float)id));
    doc.add(new NumericDocValuesField("dvInt", id));
    doc.add(new NumericDocValuesField("dvLong", id));
    doc.add(new NumericDocValuesField("dvPacked", id));
    doc.add(new NumericDocValuesField("dvShort", (short)id));
    // a field with both offsets and term vectors for a cross-check
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    RandomIndexWriter iwriter = new RandomIndexWriter(random(), directory);
    Document doc = new Document();
    String longTerm = "longtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongterm";
    String text = "This is the text to be indexed. " + longTerm;
    doc.add(newTextField("fieldname", text, Field.Store.YES));
    doc.add(new FloatDocValuesField("dv", 5.7f));
    iwriter.addDocument(doc);
    iwriter.close();
   
    // Now search the index:
    IndexReader ireader = DirectoryReader.open(directory); // read-only=true
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    RandomIndexWriter iwriter = new RandomIndexWriter(random(), directory);
    Document doc = new Document();
    String longTerm = "longtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongterm";
    String text = "This is the text to be indexed. " + longTerm;
    doc.add(newTextField("fieldname", text, Field.Store.YES));
    doc.add(new FloatDocValuesField("dv", 5.7f));
    iwriter.addDocument(doc);
    iwriter.close();
   
    // Now search the index:
    IndexReader ireader = DirectoryReader.open(directory); // read-only=true
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    doc.add(new SortedDocValuesField("dvBytesSortedFixed", ref));
    doc.add(new SortedDocValuesField("dvBytesSortedVar", ref));
    doc.add(new BinaryDocValuesField("dvBytesStraightFixed", ref));
    doc.add(new BinaryDocValuesField("dvBytesStraightVar", ref));
    doc.add(new DoubleDocValuesField("dvDouble", (double)id));
    doc.add(new FloatDocValuesField("dvFloat", (float)id));
    doc.add(new NumericDocValuesField("dvInt", id));
    doc.add(new NumericDocValuesField("dvLong", id));
    doc.add(new NumericDocValuesField("dvPacked", id));
    doc.add(new NumericDocValuesField("dvShort", (short)id));
    doc.add(new SortedSetDocValuesField("dvSortedSet", ref));
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    doc.add(new SortedDocValuesField("dvBytesSortedFixed", ref));
    doc.add(new SortedDocValuesField("dvBytesSortedVar", ref));
    doc.add(new BinaryDocValuesField("dvBytesStraightFixed", ref));
    doc.add(new BinaryDocValuesField("dvBytesStraightVar", ref));
    doc.add(new DoubleDocValuesField("dvDouble", (double)id));
    doc.add(new FloatDocValuesField("dvFloat", (float)id));
    doc.add(new NumericDocValuesField("dvInt", id));
    doc.add(new NumericDocValuesField("dvLong", id));
    doc.add(new NumericDocValuesField("dvPacked", id));
    doc.add(new NumericDocValuesField("dvShort", (short)id));
    // a field with both offsets and term vectors for a cross-check
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Related Classes of org.apache.lucene.document.FloatDocValuesField

  • org.apache.lucene.expressions.TestExpressionSorts
  • org.apache.lucene.facet.range.TestRangeAccumulator
  • org.apache.lucene.facet.range.TestRangeFacetCounts
  • org.apache.lucene.facet.taxonomy.TestTaxonomyFacetSumValueSource
  • org.apache.lucene.index.BaseDocValuesFormatTestCase
  • org.apache.lucene.index.TestBackwardsCompatibility
  • org.apache.lucene.index.TestBackwardsCompatibility3x
  • org.apache.lucene.search.TestDocValuesScoring
  • org.apache.lucene.search.TestSearchAfter
  • org.apache.lucene.search.TestSortDocValues
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