Java Code Examples for org.apache.lucene.search.DoubleValuesSource#fromIntField()

The following examples show how to use org.apache.lucene.search.DoubleValuesSource#fromIntField() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestFunctionScoreQuery.java    From lucene-solr with Apache License 2.0 6 votes vote down vote up 
public void testAccessToValueSource() throws Exception {

    FunctionScoreQuery q1 = new FunctionScoreQuery(new TermQuery(new Term(TEXT_FIELD, "a")), DoubleValuesSource.constant(31));
    Query q2 = new FunctionScoreQuery(q1.getWrappedQuery(), q1.getSource());
    QueryUtils.check(q2);
    QueryUtils.checkEqual(q2, q1);

    FunctionScoreQuery q3 = new FunctionScoreQuery(new TermQuery(new Term(TEXT_FIELD, "first")),
            DoubleValuesSource.fromIntField(INT_FIELD));
    Query q4 = new FunctionScoreQuery(q3.getWrappedQuery(), q3.getSource());
    QueryUtils.checkEqual(q3, q4);

    SimpleBindings bindings = new SimpleBindings();
    bindings.add("score", DoubleValuesSource.SCORES);
    Expression expr = JavascriptCompiler.compile("ln(score + 4)");
    FunctionScoreQuery q5 = new FunctionScoreQuery(new TermQuery(new Term(TEXT_FIELD, "text")), expr.getDoubleValuesSource(bindings));
    Query q6 = new FunctionScoreQuery(q5.getWrappedQuery(), q5.getSource());
    QueryUtils.checkEqual(q5, q6);


  }
Example 2
Source File: TestExpressionSorts.java    From lucene-solr with Apache License 2.0 6 votes vote down vote up 
private DoubleValuesSource fromSortField(SortField field) {
  switch(field.getType()) {
    case INT:
      return DoubleValuesSource.fromIntField(field.getField());
    case LONG:
      return DoubleValuesSource.fromLongField(field.getField());
    case FLOAT:
      return DoubleValuesSource.fromFloatField(field.getField());
    case DOUBLE:
      return DoubleValuesSource.fromDoubleField(field.getField());
    case SCORE:
      return DoubleValuesSource.SCORES;
    default:
      throw new UnsupportedOperationException();
  }
}
Example 3
Source File: DocumentExpressionDictionaryFactory.java    From lucene-solr with Apache License 2.0 6 votes vote down vote up 
private DoubleValuesSource fromSortField(SortField field) {
  switch(field.getType()) {
    case INT:
      return DoubleValuesSource.fromIntField(field.getField());
    case LONG:
      return DoubleValuesSource.fromLongField(field.getField());
    case FLOAT:
      return DoubleValuesSource.fromFloatField(field.getField());
    case DOUBLE:
      return DoubleValuesSource.fromDoubleField(field.getField());
    case SCORE:
      return DoubleValuesSource.SCORES;
    default:
      throw new UnsupportedOperationException();
  }
}
Example 4
Source File: WrappedIntPointField.java    From lucene-solr with Apache License 2.0 6 votes vote down vote up 
private static DoubleValuesSource fromSortField(SortField field) {
  switch(field.getType()) {
    case INT:
      return DoubleValuesSource.fromIntField(field.getField());
    case LONG:
      return DoubleValuesSource.fromLongField(field.getField());
    case FLOAT:
      return DoubleValuesSource.fromFloatField(field.getField());
    case DOUBLE:
      return DoubleValuesSource.fromDoubleField(field.getField());
    case SCORE:
      return DoubleValuesSource.SCORES;
    default:
      throw new UnsupportedOperationException();
  }
}
Example 5
Source File: TestFunctionScoreQuery.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
public void testSimpleSourceScore() throws Exception {

    FunctionScoreQuery q = new FunctionScoreQuery(new TermQuery(new Term(TEXT_FIELD, "first")),
        DoubleValuesSource.fromIntField(INT_FIELD));

    QueryUtils.check(random(), q, searcher, rarely());

    int expectedDocs[] = new int[]{ 4, 7, 9 };
    TopDocs docs = searcher.search(q, 4);
    assertEquals(expectedDocs.length, docs.totalHits.value);
    for (int i = 0; i < expectedDocs.length; i++) {
      assertEquals(docs.scoreDocs[i].doc, expectedDocs[i]);
    }

  }
Example 6
Source File: TestTaxonomyFacetSumValueSource.java    From lucene-solr with Apache License 2.0 4 votes vote down vote up 
public void testWrongIndexFieldName() throws Exception {

    Directory dir = newDirectory();
    Directory taxoDir = newDirectory();

    // Writes facet ords to a separate directory from the
    // main index:
    DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode.CREATE);

    FacetsConfig config = new FacetsConfig();
    config.setIndexFieldName("a", "$facets2");

    RandomIndexWriter writer = new RandomIndexWriter(random(), dir);

    Document doc = new Document();
    doc.add(new NumericDocValuesField("num", 10));
    doc.add(new FacetField("a", "foo1"));
    writer.addDocument(config.build(taxoWriter, doc));

    // NRT open
    IndexSearcher searcher = newSearcher(writer.getReader());
    writer.close();

    // NRT open
    TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoWriter);
    taxoWriter.close();

    FacetsCollector c = new FacetsCollector();
    searcher.search(new MatchAllDocsQuery(), c);    

    TaxonomyFacetSumValueSource facets = new TaxonomyFacetSumValueSource(taxoReader, config, c, DoubleValuesSource.fromIntField("num"));

    // Ask for top 10 labels for any dims that have counts:
    List<FacetResult> results = facets.getAllDims(10);
    assertTrue(results.isEmpty());

    expectThrows(IllegalArgumentException.class, () -> {
      facets.getSpecificValue("a");
    });

    expectThrows(IllegalArgumentException.class, () -> {
      facets.getTopChildren(10, "a");
    });

    IOUtils.close(searcher.getIndexReader(), taxoReader, dir, taxoDir);
  }