Esempio n. 1
0
 InsaneReader(LeafReader in, String insaneField) {
   super(in);
   this.insaneField = insaneField;
   ArrayList<FieldInfo> filteredInfos = new ArrayList<>();
   for (FieldInfo fi : in.getFieldInfos()) {
     if (fi.name.equals(insaneField)) {
       filteredInfos.add(
           new FieldInfo(
               fi.name,
               fi.number,
               fi.hasVectors(),
               fi.omitsNorms(),
               fi.hasPayloads(),
               fi.getIndexOptions(),
               DocValuesType.NONE,
               -1,
               Collections.emptyMap(),
               fi.getPointDimensionCount(),
               fi.getPointNumBytes()));
     } else {
       filteredInfos.add(fi);
     }
   }
   fieldInfos = new FieldInfos(filteredInfos.toArray(new FieldInfo[filteredInfos.size()]));
 }
  /** Constructs a new FieldInfos from an array of FieldInfo objects */
  public FieldInfos(FieldInfo[] infos) {
    boolean hasVectors = false;
    boolean hasProx = false;
    boolean hasPayloads = false;
    boolean hasOffsets = false;
    boolean hasFreq = false;
    boolean hasNorms = false;
    boolean hasDocValues = false;

    for (FieldInfo info : infos) {
      if (info.number < 0) {
        throw new IllegalArgumentException(
            "illegal field number: " + info.number + " for field " + info.name);
      }
      FieldInfo previous = byNumber.put(info.number, info);
      if (previous != null) {
        throw new IllegalArgumentException(
            "duplicate field numbers: "
                + previous.name
                + " and "
                + info.name
                + " have: "
                + info.number);
      }
      previous = byName.put(info.name, info);
      if (previous != null) {
        throw new IllegalArgumentException(
            "duplicate field names: "
                + previous.number
                + " and "
                + info.number
                + " have: "
                + info.name);
      }

      hasVectors |= info.hasVectors();
      hasProx |= info.getIndexOptions().compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS) >= 0;
      hasFreq |= info.getIndexOptions() != IndexOptions.DOCS;
      hasOffsets |=
          info.getIndexOptions().compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS)
              >= 0;
      hasNorms |= info.hasNorms();
      hasDocValues |= info.getDocValuesType() != DocValuesType.NONE;
      hasPayloads |= info.hasPayloads();
    }

    this.hasVectors = hasVectors;
    this.hasProx = hasProx;
    this.hasPayloads = hasPayloads;
    this.hasOffsets = hasOffsets;
    this.hasFreq = hasFreq;
    this.hasNorms = hasNorms;
    this.hasDocValues = hasDocValues;
    this.values = Collections.unmodifiableCollection(byNumber.values());
  }
 public FieldInfo add(FieldInfo fi) {
   // IMPORTANT - reuse the field number if possible for consistent field numbers across segments
   return addOrUpdateInternal(
       fi.name,
       fi.number,
       fi.hasVectors(),
       fi.omitsNorms(),
       fi.hasPayloads(),
       fi.getIndexOptions(),
       fi.getDocValuesType());
 }
  @Override
  public void write(
      Directory directory,
      SegmentInfo segmentInfo,
      String segmentSuffix,
      FieldInfos infos,
      IOContext context)
      throws IOException {
    final String fileName =
        IndexFileNames.segmentFileName(
            segmentInfo.name, segmentSuffix, Lucene46FieldInfosFormat.EXTENSION);
    try (IndexOutput output = directory.createOutput(fileName, context)) {
      CodecUtil.writeHeader(
          output, Lucene46FieldInfosFormat.CODEC_NAME, Lucene46FieldInfosFormat.FORMAT_CURRENT);
      output.writeVInt(infos.size());
      for (FieldInfo fi : infos) {
        IndexOptions indexOptions = fi.getIndexOptions();
        byte bits = 0x0;
        if (fi.hasVectors()) bits |= Lucene46FieldInfosFormat.STORE_TERMVECTOR;
        if (fi.omitsNorms()) bits |= Lucene46FieldInfosFormat.OMIT_NORMS;
        if (fi.hasPayloads()) bits |= Lucene46FieldInfosFormat.STORE_PAYLOADS;
        if (fi.getIndexOptions() != IndexOptions.NONE) {
          bits |= Lucene46FieldInfosFormat.IS_INDEXED;
          assert indexOptions.compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS) >= 0
              || !fi.hasPayloads();
          if (indexOptions == IndexOptions.DOCS) {
            bits |= Lucene46FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS;
          } else if (indexOptions == IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS) {
            bits |= Lucene46FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS;
          } else if (indexOptions == IndexOptions.DOCS_AND_FREQS) {
            bits |= Lucene46FieldInfosFormat.OMIT_POSITIONS;
          }
        }
        output.writeString(fi.name);
        output.writeVInt(fi.number);
        output.writeByte(bits);

        // pack the DV types in one byte
        final byte dv = docValuesByte(fi.getDocValuesType());
        final byte nrm = docValuesByte(fi.hasNorms() ? DocValuesType.NUMERIC : DocValuesType.NONE);
        assert (dv & (~0xF)) == 0 && (nrm & (~0x0F)) == 0;
        byte val = (byte) (0xff & ((nrm << 4) | dv));
        output.writeByte(val);
        output.writeLong(fi.getDocValuesGen());
        output.writeStringStringMap(fi.attributes());
      }
      CodecUtil.writeFooter(output);
    }
  }
Esempio n. 5
0
  public void testMerge() throws IOException {
    final Codec codec = Codec.getDefault();
    final SegmentInfo si =
        new SegmentInfo(
            mergedDir,
            Version.LATEST,
            mergedSegment,
            -1,
            false,
            codec,
            Collections.emptyMap(),
            StringHelper.randomId(),
            new HashMap<>());

    SegmentMerger merger =
        new SegmentMerger(
            Arrays.<CodecReader>asList(reader1, reader2),
            si,
            InfoStream.getDefault(),
            mergedDir,
            new FieldInfos.FieldNumbers(),
            newIOContext(random(), new IOContext(new MergeInfo(-1, -1, false, -1))));
    MergeState mergeState = merger.merge();
    int docsMerged = mergeState.segmentInfo.maxDoc();
    assertTrue(docsMerged == 2);
    // Should be able to open a new SegmentReader against the new directory
    SegmentReader mergedReader =
        new SegmentReader(
            new SegmentCommitInfo(mergeState.segmentInfo, 0, -1L, -1L, -1L),
            newIOContext(random()));
    assertTrue(mergedReader != null);
    assertTrue(mergedReader.numDocs() == 2);
    Document newDoc1 = mergedReader.document(0);
    assertTrue(newDoc1 != null);
    // There are 2 unstored fields on the document
    assertTrue(
        DocHelper.numFields(newDoc1) == DocHelper.numFields(doc1) - DocHelper.unstored.size());
    Document newDoc2 = mergedReader.document(1);
    assertTrue(newDoc2 != null);
    assertTrue(
        DocHelper.numFields(newDoc2) == DocHelper.numFields(doc2) - DocHelper.unstored.size());

    PostingsEnum termDocs =
        TestUtil.docs(
            random(), mergedReader, DocHelper.TEXT_FIELD_2_KEY, new BytesRef("field"), null, 0);
    assertTrue(termDocs != null);
    assertTrue(termDocs.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);

    int tvCount = 0;
    for (FieldInfo fieldInfo : mergedReader.getFieldInfos()) {
      if (fieldInfo.hasVectors()) {
        tvCount++;
      }
    }

    // System.out.println("stored size: " + stored.size());
    assertEquals("We do not have 3 fields that were indexed with term vector", 3, tvCount);

    Terms vector = mergedReader.getTermVectors(0).terms(DocHelper.TEXT_FIELD_2_KEY);
    assertNotNull(vector);
    assertEquals(3, vector.size());
    TermsEnum termsEnum = vector.iterator();

    int i = 0;
    while (termsEnum.next() != null) {
      String term = termsEnum.term().utf8ToString();
      int freq = (int) termsEnum.totalTermFreq();
      // System.out.println("Term: " + term + " Freq: " + freq);
      assertTrue(DocHelper.FIELD_2_TEXT.indexOf(term) != -1);
      assertTrue(DocHelper.FIELD_2_FREQS[i] == freq);
      i++;
    }

    TestSegmentReader.checkNorms(mergedReader);
    mergedReader.close();
  }