Package org.apache.lucene.document

Examples of org.apache.lucene.document.NumericDocValuesField

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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 NumericDocValuesField("dv1", 5));
    doc.add(new BinaryDocValuesField("dv2", new BytesRef("hello world")));
    iwriter.addDocument(doc);
    iwriter.close();
   
    // Now search the index:
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    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 SortedDocValuesField("dv1", new BytesRef("hello hello")));
    doc.add(new NumericDocValuesField("dv2", 5));
    doc.add(new BinaryDocValuesField("dv3", new BytesRef("hello world")));
    iwriter.addDocument(doc);
    iwriter.close();
   
    // Now search the index:
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  private void addDoc(IndexWriter writer) throws IOException
  {
      Document doc = new Document();
      doc.add(newTextField("content", "aaa", Field.Store.NO));
      if (defaultCodecSupportsDocValues()) {
        doc.add(new NumericDocValuesField("numericdv", 1));
      }
      writer.addDocument(doc);
  }
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  {
      Document doc = new Document();
      doc.add(newTextField("content", "aaa " + index, Field.Store.NO));
      doc.add(newTextField("id", "" + index, Field.Store.NO));
      if (defaultCodecSupportsDocValues()) {
        doc.add(new NumericDocValuesField("numericdv", 1));
      }
      writer.addDocument(doc);
  }
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    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));

    FacetFields facetFields = new FacetFields(taxonomyWriter);
    for (int i = 0; i < 4; i++) {
      Document doc = new Document();
      doc.add(new NumericDocValuesField("price", (i+1)));
      facetFields.addFields(doc, Collections.singletonList(new CategoryPath("a", Integer.toString(i % 2))));
      iw.addDocument(doc);
    }
   
    taxonomyWriter.close();
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    IndexWriter iw = new IndexWriter(indexDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));

    FacetFields facetFields = new FacetFields(taxonomyWriter);
    for (int i = 0; i < 4; i++) {
      Document doc = new Document();
      doc.add(new NumericDocValuesField("price", (i+1)));
      facetFields.addFields(doc, Collections.singletonList(new CategoryPath("a", Integer.toString(i % 2))));
      iw.addDocument(doc);
    }
   
    taxonomyWriter.close();
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      }
    });
    FacetFields facetFields = new FacetFields(taxonomyWriter, fip);
    for (int i = 0; i < 4; i++) {
      Document doc = new Document();
      doc.add(new NumericDocValuesField("price", (i+1)));
      facetFields.addFields(doc, Collections.singletonList(new CategoryPath("a", Integer.toString(i % 2), "1")));
      iw.addDocument(doc);
    }
   
    taxonomyWriter.close();
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    doc.add(new Field("fie\u2C77ld", "field with non-ascii name", customType2));
    // add numeric fields, to test if flex preserves encoding
    doc.add(new IntField("trieInt", id, Field.Store.NO));
    doc.add(new LongField("trieLong", (long) id, Field.Store.NO));
    // add docvalues fields
    doc.add(new NumericDocValuesField("dvByte", (byte) id));
    byte bytes[] = new byte[] {
      (byte)(id >>> 24), (byte)(id >>> 16),(byte)(id >>> 8),(byte)id
    };
    BytesRef ref = new BytesRef(bytes);
    doc.add(new BinaryDocValuesField("dvBytesDerefFixed", ref));
    doc.add(new BinaryDocValuesField("dvBytesDerefVar", ref));
    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));
    // a field with both offsets and term vectors for a cross-check
    FieldType customType3 = new FieldType(TextField.TYPE_STORED);
    customType3.setStoreTermVectors(true);
    customType3.setStoreTermVectorPositions(true);
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    // "now", 2000 sec before "now", ...:
    for(int i=0;i<100;i++) {
      Document doc = new Document();
      long then = nowSec - i * 1000;
      // Add as doc values field, so we can compute range facets:
      doc.add(new NumericDocValuesField("timestamp", then));
      // Add as numeric field so we can drill-down:
      doc.add(new LongField("timestamp", then, Field.Store.NO));
      indexWriter.addDocument(doc);
    }

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  public ExpressionAggregationFacetsExample() {}
 
  private void add(IndexWriter indexWriter, FacetFields facetFields, String text, String category, long popularity) throws IOException {
    Document doc = new Document();
    doc.add(new TextField("c", text, Store.NO));
    doc.add(new NumericDocValuesField("popularity", popularity));
    facetFields.addFields(doc, Collections.singletonList(new CategoryPath(category, '/')));
    indexWriter.addDocument(doc);
  }
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Related Classes of org.apache.lucene.document.NumericDocValuesField

  • org.apache.blur.analysis.type.DateFieldTypeDefinition
  • org.apache.blur.analysis.type.NumericFieldTypeDefinition
  • org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditor
  • org.apache.lucene.codecs.perfield.TestPerFieldDocValuesFormat
  • org.apache.lucene.demo.facet.ExpressionAggregationFacetsExample
  • org.apache.lucene.demo.facet.RangeFacetsExample
  • org.apache.lucene.expressions.TestDemoExpressions
  • org.apache.lucene.expressions.TestExpressionRescorer
  • org.apache.lucene.expressions.TestExpressionSorts
  • org.apache.lucene.expressions.TestExpressionValueSource
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