Package org.apache.lucene.document

Examples of org.apache.lucene.document.NumericDocValuesField

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  public void test(DocValuesType type) throws IOException {
    Directory d = newDirectory();
    IndexWriterConfig iwConfig = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
    final int nDocs = atLeast(50);
    final Field id = new NumericDocValuesField("id", 0);
    final Field f;
    switch (type) {
      case BINARY:
        f = new BinaryDocValuesField("dv", new BytesRef());
        break;
      case SORTED:
        f = new SortedDocValuesField("dv", new BytesRef());
        break;
      case NUMERIC:
        f = new NumericDocValuesField("dv", 0);
        break;
      default:
        throw new AssertionError();
    }
    Document document = new Document();
    document.add(id);
    document.add(f);

    final Object[] vals = new Object[nDocs];

    RandomIndexWriter iw = new RandomIndexWriter(random(), d, iwConfig);
    for (int i = 0; i < nDocs; ++i) {
      id.setLongValue(i);
      switch (type) {
        case SORTED:
        case BINARY:
          do {
            vals[i] = _TestUtil.randomSimpleString(random(), 20);
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    createRandomIndexes();
  }

  private Document randomDocument() {
    final Document doc = new Document();
    doc.add(new NumericDocValuesField("ndv", random().nextLong()));
    doc.add(new StringField("s", RandomPicks.randomFrom(random(), terms), Store.YES));
    return doc;
  }
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      // codec doesnt support offsets: just index positions for the field
      doc.add(new Field(DOC_POSITIONS_FIELD, positions, TextField.TYPE_NOT_STORED));
    } else {
      doc.add(new Field(DOC_POSITIONS_FIELD, positions, POSITIONS_TYPE));
    }
    doc.add(new NumericDocValuesField(NUMERIC_DV_FIELD, id));
    TextField norms = new TextField(NORMS_FIELD, Integer.toString(id), Store.NO);
    norms.setBoost(Float.intBitsToFloat(id));
    doc.add(norms);
    doc.add(new BinaryDocValuesField(BINARY_DV_FIELD, new BytesRef(Integer.toString(id))));
    doc.add(new SortedDocValuesField(SORTED_DV_FIELD, new BytesRef(Integer.toString(id))));
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  public void testBasicLong() throws Exception {
    Directory d = newDirectory();
    RandomIndexWriter w = new RandomIndexWriter(random(), d);
    Document doc = new Document();
    NumericDocValuesField field = new NumericDocValuesField("field", 0L);
    doc.add(field);
    for(long l=0;l<100;l++) {
      field.setLongValue(l);
      w.addDocument(doc);
    }
    field.setLongValue(Long.MAX_VALUE);
    w.addDocument(doc);

    IndexReader r = w.getReader();
    w.close();
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    FacetFields ff = new FacetFields(tw);

    for (long l = 0; l < 100; l++) {
      Document doc = new Document();
      // For computing range facet counts:
      doc.add(new NumericDocValuesField("field", l));
      // For drill down by numeric range:
      doc.add(new LongField("field", l, Field.Store.NO));

      CategoryPath cp;
      if ((l&3) == 0) {
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    SortedSetDocValuesFacetFields ff = new SortedSetDocValuesFacetFields();

    for (long l = 0; l < 100; l++) {
      Document doc = new Document();
      // For computing range facet counts:
      doc.add(new NumericDocValuesField("field", l));
      // For drill down by numeric range:
      doc.add(new LongField("field", l, Field.Store.NO));

      CategoryPath cp;
      if ((l&3) == 0) {
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    long[] values = new long[numDocs];
    for(int i=0;i<numDocs;i++) {
      Document doc = new Document();
      long v = random().nextLong();
      values[i] = v;
      doc.add(new NumericDocValuesField("field", v));
      doc.add(new LongField("field", v, Field.Store.NO));
      w.addDocument(doc);
    }
    IndexReader r = w.getReader();
    w.close();
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  public void testMissingValues() throws Exception {
    assumeTrue("codec does not support docsWithField", defaultCodecSupportsDocsWithField());
    Directory d = newDirectory();
    RandomIndexWriter w = new RandomIndexWriter(random(), d);
    Document doc = new Document();
    NumericDocValuesField field = new NumericDocValuesField("field", 0L);
    doc.add(field);
    for(long l=0;l<100;l++) {
      if (l % 5 == 0) {
        // Every 5th doc is missing the value:
        w.addDocument(new Document());
        continue;
      }
      field.setLongValue(l);
      w.addDocument(doc);
    }

    IndexReader r = w.getReader();
    w.close();
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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("dv", 5));
    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 NumericDocValuesField("dv1", 5));
    doc.add(new NumericDocValuesField("dv2", 17));
    iwriter.addDocument(doc);
    iwriter.close();
   
    // Now search the index:
    IndexReader ireader = DirectoryReader.open(directory); // read-only=true
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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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