Package org.sindice.siren.index.codecs.siren10.DocsFreqBlockIndexOutput

Examples of org.sindice.siren.index.codecs.siren10.DocsFreqBlockIndexOutput.DocsFreqBlockWriter

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  }

  public void testReadDoc() throws IOException {

    final DocsFreqBlockIndexOutput out = this.getIndexOutput(512);
    final DocsFreqBlockWriter writer = out.getBlockWriter();

    writer.setNodeBlockIndex(out.index());
    writer.setPosBlockIndex(out.index());
    for (int i = 0; i < 11777; i++) {
      if (writer.isFull()) {
        writer.flush();
      }
      writer.write(i);
    }

    writer.flush(); // flush remaining data
    out.close();

    final DocsFreqBlockIndexInput in = this.getIndexInput();
    final DocsFreqBlockReader reader = in.getBlockReader();
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  }

  public void testReadDocAndFreq() throws IOException {

    final DocsFreqBlockIndexOutput out = this.getIndexOutput(512);
    final DocsFreqBlockWriter writer = out.getBlockWriter();

    writer.setNodeBlockIndex(out.index());
    writer.setPosBlockIndex(out.index());
    for (int i = 0; i < 11777; i++) {
      if (writer.isFull()) {
        writer.flush();
      }
      writer.write(i);
      writer.writeNodeFreq(random().nextInt(10) + 1);
    }

    writer.flush(); // flush remaining data
    out.close();

    final DocsFreqBlockIndexInput in = this.getIndexInput();
    final DocsFreqBlockReader reader = in.getBlockReader();
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  public void testRandomDoc() throws IOException {

    final int blockSize = BLOCK_SIZES[random().nextInt(BLOCK_SIZES.length)];
    final DocsFreqBlockIndexOutput out = this.getIndexOutput(blockSize);
    final DocsFreqBlockWriter writer = out.getBlockWriter();

    writer.setNodeBlockIndex(out.index());
    writer.setPosBlockIndex(out.index());

    // generate doc ids
    final Set<Integer> docIds = new TreeSet<Integer>();
    final int lenght = (int) this.nextLong(128000, 512000);
    for (int i = 0; i < lenght; i++) {
      docIds.add((int) this.nextLong(0, ((1L << 31) - 1)));
    }

    for (final int docId : docIds) {
      if (writer.isFull()) {
        writer.flush();
      }
      writer.write(docId);
    }

    writer.flush(); // flush remaining data
    out.close();

    final DocsFreqBlockIndexInput in = this.getIndexInput();
    final DocsFreqBlockReader reader = in.getBlockReader();
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  @Test
  public void testShortPostingList() throws IOException {

    final DocsFreqBlockIndexOutput out = this.getIndexOutput(512);
    final DocsFreqBlockWriter writer = out.getBlockWriter();

    writer.setNodeBlockIndex(out.index());
    writer.setPosBlockIndex(out.index());
    for (int i = 0; i < 5; i++) {
      if (writer.isFull()) {
        writer.flush();
      }
      writer.write(i);
    }

    writer.flush(); // flush remaining data
    out.close();

    final DocsFreqBlockIndexInput in = this.getIndexInput();
    final DocsFreqBlockReader reader = in.getBlockReader();
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      case 0:
        return new Siren10VIntPostingsFormat(blockSize);

      case 1:
        return new Siren10AForPostingsFormat(blockSize);

      default:
        throw new InvalidParameterException();
    }
  }
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import org.sindice.siren.index.codecs.siren10.Siren10BlockStreamFactory;

public class TestVariableIntCodec extends CodecTestCase {

  private DocsFreqBlockIndexOutput getIndexOutput(final int blockSize) throws IOException {
    final Siren10BlockStreamFactory factory = new Siren10BlockStreamFactory(blockSize);
    factory.setDocsBlockCompressor(new VIntBlockCompressor());
    factory.setFreqBlockCompressor(new VIntBlockCompressor());
    return factory.createDocsFreqOutput(directory, "test", newIOContext(random()));
  }
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    factory.setFreqBlockCompressor(new VIntBlockCompressor());
    return factory.createDocsFreqOutput(directory, "test", newIOContext(random()));
  }

  private DocsFreqBlockIndexInput getIndexInput() throws IOException {
    final Siren10BlockStreamFactory factory = new Siren10BlockStreamFactory(0);
    factory.setDocsBlockDecompressor(new VIntBlockDecompressor());
    factory.setFreqBlockDecompressor(new VIntBlockDecompressor());
    return factory.openDocsFreqInput(directory, "test", newIOContext(random()));
  }
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import org.sindice.siren.index.codecs.siren10.Siren10BlockStreamFactory;

public class TestAForCodec extends CodecTestCase {

  private DocsFreqBlockIndexOutput getIndexOutput(final int blockSize) throws IOException {
    final Siren10BlockStreamFactory factory = new Siren10BlockStreamFactory(blockSize);
    factory.setDocsBlockCompressor(new AForBlockCompressor());
    factory.setFreqBlockCompressor(new AForBlockCompressor());
    return factory.createDocsFreqOutput(directory, "test", newIOContext(random()));
  }
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    factory.setFreqBlockCompressor(new AForBlockCompressor());
    return factory.createDocsFreqOutput(directory, "test", newIOContext(random()));
  }

  private DocsFreqBlockIndexInput getIndexInput() throws IOException {
    final Siren10BlockStreamFactory factory = new Siren10BlockStreamFactory(0);
    factory.setDocsBlockDecompressor(new AForBlockDecompressor());
    factory.setFreqBlockDecompressor(new AForBlockDecompressor());
    return factory.openDocsFreqInput(directory, "test", newIOContext(random()));
  }
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    );

    final AtomicReader aReader = SlowCompositeReaderWrapper.wrap(reader);
    final DocsEnum docsEnum = aReader.termDocsEnum(new Term(DEFAULT_TEST_FIELD, "aaa"));
    assertTrue(docsEnum instanceof Siren10DocsEnum);
    final Siren10DocsNodesAndPositionsEnum e = ((Siren10DocsEnum) docsEnum).getDocsNodesAndPositionsEnum();
    assertEquals(-1, e.doc());
    assertEquals(0, e.nodeFreqInDoc());
    assertTrue(e.nextDocument());
    assertEquals(0, e.doc());
    assertEquals(2, e.nodeFreqInDoc());
    assertTrue(e.nextDocument());
    assertEquals(1, e.doc());
    assertEquals(1, e.nodeFreqInDoc());
    assertTrue(e.nextDocument());
    assertEquals(2, e.doc());
    assertEquals(1, e.nodeFreqInDoc());

    assertFalse(e.nextDocument());
    assertEquals(DocsAndNodesIterator.NO_MORE_DOC, e.doc());
  }
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Related Classes of org.sindice.siren.index.codecs.siren10.DocsFreqBlockIndexOutput.DocsFreqBlockWriter

  • org.apache.lucene.codecs.BlockTreeTermsReader
  • org.apache.lucene.codecs.BlockTreeTermsWriter
  • org.apache.lucene.codecs.FieldsConsumer
  • org.apache.lucene.codecs.FieldsProducer
  • org.apache.lucene.codecs.PostingsReaderBase
  • org.apache.lucene.codecs.PostingsWriterBase
  • org.apache.lucene.codecs.TermStats
  • org.apache.lucene.index.AtomicReader
  • org.apache.lucene.index.DocsEnum
  • org.apache.lucene.index.Term
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