Package org.apache.lucene.document

Examples of org.apache.lucene.document.SetBasedFieldSelector

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        for (int i = 0; i < bin.length; i++) {
          assertEquals(bin[i], data1[i + b1.getBinaryOffset()]);
        }
        Set<String> lazyFields = new HashSet<String>();
        lazyFields.add("bin1");
        FieldSelector sel = new SetBasedFieldSelector(new HashSet<String>(), lazyFields);
        doc = reader.document(reader.maxDoc() - 1, sel);
        Fieldable[] fieldables = doc.getFieldables("bin1");
        assertNotNull(fieldables);
        assertEquals(1, fieldables.length);
        Fieldable fb1 = fieldables[0];
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    //new String[]{DocHelper.LARGE_LAZY_FIELD_KEY, DocHelper.LAZY_FIELD_KEY, DocHelper.LAZY_FIELD_BINARY_KEY};
    lazyFieldNames.add(DocHelper.LARGE_LAZY_FIELD_KEY);
    lazyFieldNames.add(DocHelper.LAZY_FIELD_KEY);
    lazyFieldNames.add(DocHelper.LAZY_FIELD_BINARY_KEY);
    lazyFieldNames.add(DocHelper.TEXT_FIELD_UTF2_KEY);
    SetBasedFieldSelector fieldSelector = new SetBasedFieldSelector(loadFieldNames, lazyFieldNames);
    Document doc = reader.doc(0, fieldSelector);
    assertTrue("doc is null and it shouldn't be", doc != null);
    Fieldable field = doc.getFieldable(DocHelper.LAZY_FIELD_KEY);
    assertTrue("field is null and it shouldn't be", field != null);
    assertTrue("field is not lazy and it should be", field.isLazy());
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    lazyFieldNames.add(DocHelper.LAZY_FIELD_KEY);
    lazyFieldNames.add(DocHelper.LAZY_FIELD_BINARY_KEY);
    lazyFieldNames.add(DocHelper.TEXT_FIELD_UTF2_KEY);

    // Use LATENT instead of LAZY
    SetBasedFieldSelector fieldSelector = new SetBasedFieldSelector(loadFieldNames, lazyFieldNames) {
        @Override
        public FieldSelectorResult accept(String fieldName) {
          final FieldSelectorResult result = super.accept(fieldName);
          if (result == FieldSelectorResult.LAZY_LOAD) {
            return FieldSelectorResult.LATENT;
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    Set<String> lazyFieldNames = new HashSet<String>();
    lazyFieldNames.add(DocHelper.LARGE_LAZY_FIELD_KEY);
    lazyFieldNames.add(DocHelper.LAZY_FIELD_KEY);
    lazyFieldNames.add(DocHelper.LAZY_FIELD_BINARY_KEY);
    lazyFieldNames.add(DocHelper.TEXT_FIELD_UTF2_KEY);
    SetBasedFieldSelector fieldSelector = new SetBasedFieldSelector(loadFieldNames, lazyFieldNames);
    Document doc = reader.doc(0, fieldSelector);
    assertTrue("doc is null and it shouldn't be", doc != null);
    Fieldable field = doc.getFieldable(DocHelper.LAZY_FIELD_KEY);
    assertTrue("field is null and it shouldn't be", field != null);
    assertTrue("field is not lazy and it should be", field.isLazy());
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    long lazyTime = 0;
    long regularTime = 0;
    int length = 10;
    Set<String> lazyFieldNames = new HashSet<String>();
    lazyFieldNames.add(DocHelper.LARGE_LAZY_FIELD_KEY);
    SetBasedFieldSelector fieldSelector = new SetBasedFieldSelector(Collections. <String> emptySet(), lazyFieldNames);

    for (int i = 0; i < length; i++) {
      reader = new FieldsReader(tmpDir, TEST_SEGMENT_NAME, fieldInfos);
      assertTrue(reader.size() == 1);
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    assertTrue("document.getFields() Size: " + document.getFields().size() + " is not: " + 2, document.getFields().size() == 2);
    //Should be one document from each directory
    //they both have two fields, contents and other
    Set ftl = new HashSet();
    ftl.add("other");
    SetBasedFieldSelector fs = new SetBasedFieldSelector(ftl, Collections.EMPTY_SET);
    document = searcher.doc(hits.id(0), fs);
    assertTrue("document is null and it shouldn't be", document != null);
    assertTrue("document.getFields() Size: " + document.getFields().size() + " is not: " + 1, document.getFields().size() == 1);
    String value = document.get("contents");
    assertTrue("value is not null and it should be", value == null);
    value = document.get("other");
    assertTrue("value is null and it shouldn't be", value != null);
    ftl.clear();
    ftl.add("contents");
    fs = new SetBasedFieldSelector(ftl, Collections.EMPTY_SET);
    document = searcher.doc(hits.id(1), fs);
    value = document.get("contents");
    assertTrue("value is null and it shouldn't be", value != null);   
    value = document.get("other");
    assertTrue("value is not null and it should be", value == null);
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   */
  public LuceneIterable(IndexReader reader, String idField, String field, VectorMapper mapper, double normPower) {
    if (normPower != NO_NORMALIZING && normPower < 0) {
      throw new IllegalArgumentException("normPower must either be -1 or >= 0");
    }
    idFieldSelector = new SetBasedFieldSelector(Collections.singleton(idField), Collections.emptySet());
    this.indexReader = reader;
    this.idField = idField;
    this.field = field;
    this.mapper = mapper;
    this.normPower = normPower;
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    Set fieldsToLoad = new HashSet();
    for (StringTokenizer tokenizer = new StringTokenizer(params, ","); tokenizer.hasMoreTokens();) {
      String s = tokenizer.nextToken();
      fieldsToLoad.add(s);
    }
    fieldSelector = new SetBasedFieldSelector(fieldsToLoad, Collections.EMPTY_SET);
  }
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    assertTrue("document.getFields() Size: " + document.getFields().size() + " is not: " + 2, document.getFields().size() == 2);
    //Should be one document from each directory
    //they both have two fields, contents and other
    Set ftl = new HashSet();
    ftl.add("other");
    SetBasedFieldSelector fs = new SetBasedFieldSelector(ftl, Collections.EMPTY_SET);
    document = searcher.doc(hits.id(0), fs);
    assertTrue("document is null and it shouldn't be", document != null);
    assertTrue("document.getFields() Size: " + document.getFields().size() + " is not: " + 1, document.getFields().size() == 1);
    String value = document.get("contents");
    assertTrue("value is not null and it should be", value == null);
    value = document.get("other");
    assertTrue("value is null and it shouldn't be", value != null);
    ftl.clear();
    ftl.add("contents");
    fs = new SetBasedFieldSelector(ftl, Collections.EMPTY_SET);
    document = searcher.doc(hits.id(1), fs);
    value = document.get("contents");
    assertTrue("value is null and it shouldn't be", value != null);   
    value = document.get("other");
    assertTrue("value is not null and it should be", value == null);
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    Set fieldsToLoad = new HashSet();
    for (StringTokenizer tokenizer = new StringTokenizer(params, ","); tokenizer.hasMoreTokens();) {
      String s = tokenizer.nextToken();
      fieldsToLoad.add(s);
    }
    fieldSelector = new SetBasedFieldSelector(fieldsToLoad, Collections.EMPTY_SET);
  }
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Related Classes of org.apache.lucene.document.SetBasedFieldSelector

  • org.apache.lucene.benchmark.byTask.tasks.SearchTravRetLoadFieldSelectorTask
  • org.apache.lucene.index.TestFieldsReader
  • org.apache.lucene.index.TestIndexReader
  • org.apache.lucene.search.TestMultiSearcher
  • org.apache.mahout.utils.vectors.lucene.ClusterLabels
  • org.apache.mahout.utils.vectors.lucene.LuceneIterable
  • org.apache.mahout.utils.vectors.lucene.LuceneIterator
  • org.apache.solr.handler.clustering.carrot2.CarrotClusteringEngine
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