Package org.apache.lucene.util.packed

Examples of org.apache.lucene.util.packed.DirectWriter.finish()

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        final DirectWriter quotientWriter = DirectWriter.getInstance(data, count, bits);
        for (Number nv : values) {
          long value = nv == null ? 0 : nv.longValue();
          quotientWriter.add((value - minValue) / gcd);
        }
        quotientWriter.finish();
        break;
      case DELTA_COMPRESSED:
        final long minDelta = delta < 0 ? 0 : minValue;
        meta.writeLong(minDelta);
        meta.writeVInt(deltaBitsRequired);
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        final DirectWriter writer = DirectWriter.getInstance(data, count, deltaBitsRequired);
        for (Number nv : values) {
          long v = nv == null ? 0 : nv.longValue();
          writer.add(v - minDelta);
        }
        writer.finish();
        break;
      case TABLE_COMPRESSED:
        final Long[] decode = uniqueValues.toArray(new Long[uniqueValues.size()]);
        Arrays.sort(decode);
        final HashMap<Long,Integer> encode = new HashMap<>();
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        meta.writeVInt(tableBitsRequired);
        final DirectWriter ordsWriter = DirectWriter.getInstance(data, count, tableBitsRequired);
        for (Number nv : values) {
          ordsWriter.add(encode.get(nv == null ? 0 : nv.longValue()));
        }
        ordsWriter.finish();
        break;
      default:
        throw new AssertionError();
    }
    meta.writeLong(data.getFilePointer());
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    writer.add(1);
    writer.add(0);
    writer.add(2);
    writer.add(1);
    writer.add(2);
    writer.finish();
    output.close();
    IndexInput input = dir.openInput("foo", IOContext.DEFAULT);
    NumericDocValues reader = DirectReader.getInstance(input.randomAccessSlice(0, input.length()), bitsPerValue);
    assertEquals(1, reader.get(0));
    assertEquals(0, reader.get(1));
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    writer.add(1);
    writer.add(0);
    writer.add(2);
    writer.add(1);
    try {
      writer.finish();
      fail("didn't get expected exception");
    } catch (IllegalStateException expected) {
      assertTrue(expected.getMessage().startsWith("Wrong number of values added"));
    }
    output.close();
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      IndexOutput output = directory.createOutput(name, IOContext.DEFAULT);
      DirectWriter writer = DirectWriter.getInstance(output, original.length, bitsRequired);
      for (int j = 0; j < original.length; j++) {
        writer.add(original[j]);
      }
      writer.finish();
      output.close();
      IndexInput input = directory.openInput(name, IOContext.DEFAULT);
      NumericDocValues reader = DirectReader.getInstance(input.randomAccessSlice(0, input.length()), bitsRequired);
      for (int j = 0; j < original.length; j++) {
        assertEquals("bpv=" + bpv, original[j], reader.get(j));
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