@Test
 @Override
 public void testIndexWritingAndFinding() throws IOException, InterruptedException {
   verifyBoth(cache0, cache1);
   IndexOutput indexOutput = dirA.createOutput(filename, IOContext.DEFAULT);
   indexOutput.writeString("no need to write, nobody ever will read this");
   indexOutput.flush();
   indexOutput.close();
   assertFileExistsHavingRLCount(filename, 1, true);
   IndexInput firstOpenOnB = dirB.openInput(filename, IOContext.DEFAULT);
   assertFileExistsHavingRLCount(filename, 2, true);
   dirA.deleteFile(filename);
   assertFileExistsHavingRLCount(filename, 1, false);
   // Lucene does use clone() - lock implementation ignores it as a clone is
   // cast on locked segments and released before the close on the parent object
   IndexInput cloneOfFirstOpenOnB = (IndexInput) firstOpenOnB.clone();
   assertFileExistsHavingRLCount(filename, 1, false);
   cloneOfFirstOpenOnB.close();
   assertFileExistsHavingRLCount(filename, 1, false);
   IndexInput firstOpenOnA = dirA.openInput(filename, IOContext.DEFAULT);
   assertFileExistsHavingRLCount(filename, 2, false);
   IndexInput secondOpenOnA = dirA.openInput(filename, IOContext.DEFAULT);
   assertFileExistsHavingRLCount(filename, 2, false);
   firstOpenOnA.close();
   assertFileExistsHavingRLCount(filename, 2, false);
   secondOpenOnA.close();
   assertFileExistsHavingRLCount(filename, 1, false);
   firstOpenOnB.close();
   assertFileNotExists(filename);
   dirA.close();
   dirB.close();
   verifyBoth(cache0, cache1);
 }
  // Make sure we don't somehow use more than 1 descriptor
  // when reading a CFS with many subs:
  public void testManySubFiles() throws IOException {

    final Directory d = newFSDirectory(_TestUtil.getTempDir("CFSManySubFiles"));
    final int FILE_COUNT = 10000;

    for (int fileIdx = 0; fileIdx < FILE_COUNT; fileIdx++) {
      IndexOutput out = d.createOutput("file." + fileIdx);
      out.writeByte((byte) fileIdx);
      out.close();
    }

    final CompoundFileWriter cfw = new CompoundFileWriter(d, "c.cfs");
    for (int fileIdx = 0; fileIdx < FILE_COUNT; fileIdx++) {
      cfw.addFile("file." + fileIdx);
    }
    cfw.close();

    final IndexInput[] ins = new IndexInput[FILE_COUNT];
    final CompoundFileReader cfr = new CompoundFileReader(d, "c.cfs");
    for (int fileIdx = 0; fileIdx < FILE_COUNT; fileIdx++) {
      ins[fileIdx] = cfr.openInput("file." + fileIdx);
    }

    for (int fileIdx = 0; fileIdx < FILE_COUNT; fileIdx++) {
      assertEquals((byte) fileIdx, ins[fileIdx].readByte());
    }

    for (int fileIdx = 0; fileIdx < FILE_COUNT; fileIdx++) {
      ins[fileIdx].close();
    }
    cfr.close();
    d.close();
  }
  public void close() throws IOException {
    try {
      final long dirStart = out.getFilePointer();
      final int fieldCount = fields.size();

      int nonNullFieldCount = 0;
      for (int i = 0; i < fieldCount; i++) {
        FSTFieldWriter field = fields.get(i);
        if (field.fst != null) {
          nonNullFieldCount++;
        }
      }

      out.writeVInt(nonNullFieldCount);
      for (int i = 0; i < fieldCount; i++) {
        FSTFieldWriter field = fields.get(i);
        if (field.fst != null) {
          out.writeVInt(field.fieldInfo.number);
          out.writeVLong(field.indexStart);
        }
      }
      writeTrailer(dirStart);
    } finally {
      out.close();
    }
  }
 private void testOn(Directory dir, int writeSize, int readSize, Cache cache) throws IOException {
   if (cache != null)
     cache
         .clear(); // needed to make sure no chunks are left over in case of Infinispan
                   // implementation
   final String filename = "chunkTest";
   IndexOutput indexOutput = dir.createOutput(filename);
   byte[] toWrite = fillBytes(writeSize);
   indexOutput.writeBytes(toWrite, writeSize);
   indexOutput.close();
   if (cache != null) {
     AssertJUnit.assertEquals(
         writeSize,
         DirectoryIntegrityCheck.deepCountFileSize(new FileCacheKey(INDEXNAME, filename), cache));
   }
   AssertJUnit.assertEquals(writeSize, indexOutput.length());
   byte[] results = new byte[readSize];
   IndexInput openInput = dir.openInput(filename);
   try {
     openInput.readBytes(results, 0, readSize);
     for (int i = 0; i < writeSize && i < readSize; i++) {
       AssertJUnit.assertEquals(results[i], toWrite[i]);
     }
     if (readSize > writeSize)
       AssertJUnit.fail("should have thrown an IOException for reading past EOF");
   } catch (IOException ioe) {
     if (readSize <= writeSize)
       AssertJUnit.fail("should not have thrown an IOException" + ioe.getMessage());
   }
 }
  private void demo_FSIndexInputBug(Directory fsdir, String file) throws IOException {
    // Setup the test file - we need more than 1024 bytes
    IndexOutput os = fsdir.createOutput(file);
    for (int i = 0; i < 2000; i++) {
      os.writeByte((byte) i);
    }
    os.close();

    IndexInput in = fsdir.openInput(file);

    // This read primes the buffer in IndexInput
    in.readByte();

    // Close the file
    in.close();

    // ERROR: this call should fail, but succeeds because the buffer
    // is still filled
    in.readByte();

    // ERROR: this call should fail, but succeeds for some reason as well
    in.seek(1099);

    try {
      // OK: this call correctly fails. We are now past the 1024 internal
      // buffer, so an actual IO is attempted, which fails
      in.readByte();
      fail("expected readByte() to throw exception");
    } catch (IOException e) {
      // expected exception
    }
  }
 public void multipleFlushTest() throws IOException {
   final String filename = "longFile.writtenInMultipleFlushes";
   final int bufferSize = 300;
   Cache cache = cacheManager.getCache();
   cache.clear();
   Directory dir =
       DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEXNAME)
           .chunkSize(13)
           .create();
   byte[] manyBytes = fillBytes(bufferSize);
   IndexOutput indexOutput = dir.createOutput(filename);
   for (int i = 0; i < 10; i++) {
     indexOutput.writeBytes(manyBytes, bufferSize);
     indexOutput.flush();
   }
   indexOutput.close();
   IndexInput input = dir.openInput(filename);
   final int finalSize = (10 * bufferSize);
   AssertJUnit.assertEquals(finalSize, input.length());
   final byte[] resultingBuffer = new byte[finalSize];
   input.readBytes(resultingBuffer, 0, finalSize);
   int index = 0;
   for (int i = 0; i < 10; i++) {
     for (int j = 0; j < bufferSize; j++)
       AssertJUnit.assertEquals(resultingBuffer[index++], manyBytes[j]);
   }
 }
  private void writeDoc() throws IOException {
    if (isFieldOpen())
      throw new IllegalStateException("Field is still open while writing document");
    // System.out.println("Writing doc pointer: " + currentDocPointer);
    // write document index record
    tvx.writeLong(currentDocPointer);

    // write document data record
    final int size = fields.size();

    // write the number of fields
    tvd.writeVInt(size);

    // write field numbers
    for (int i = 0; i < size; i++) {
      TVField field = (TVField) fields.elementAt(i);
      tvd.writeVInt(field.number);
    }

    // write field pointers
    long lastFieldPointer = 0;
    for (int i = 0; i < size; i++) {
      TVField field = (TVField) fields.elementAt(i);
      tvd.writeVLong(field.tvfPointer - lastFieldPointer);
      lastFieldPointer = field.tvfPointer;
    }
    // System.out.println("After writing doc pointer: " + tvx.getFilePointer());
  }
  // encodes values as sparse array: keys[] and values[]
  // access is log(N) where N = keys.length (slow!)
  // so this is only appropriate as an exception table for patched, or when common value is 0 (wont
  // be accessed by searching)
  private void addIndirect(
      FieldInfo field,
      final Iterable<Number> values,
      int count,
      final NormMap uniqueValues,
      final int minOrd)
      throws IOException {
    int commonCount = uniqueValues.freqs[minOrd];

    meta.writeVInt(count - commonCount);
    meta.writeByte(INDIRECT);
    meta.writeLong(data.getFilePointer());

    // write docs with value
    writeDocsWithValue(values, uniqueValues, minOrd);

    // write actual values
    writeNormsField(
        field,
        new Iterable<Number>() {
          @Override
          public Iterator<Number> iterator() {
            return new FilterIterator<Number, Number>(values.iterator()) {
              @Override
              protected boolean predicateFunction(Number value) {
                return uniqueValues.ord(value.byteValue()) > minOrd;
              }
            };
          }
        },
        1);
  }
 /** Close all streams. */
 final void close() throws IOException {
   try {
     closeDocument();
   } finally {
     // make an effort to close all streams we can but remember and re-throw
     // the first exception encountered in this process
     IOException keep = null;
     if (tvx != null)
       try {
         tvx.close();
       } catch (IOException e) {
         if (keep == null) keep = e;
       }
     if (tvd != null)
       try {
         tvd.close();
       } catch (IOException e) {
         if (keep == null) keep = e;
       }
     if (tvf != null)
       try {
         tvf.close();
       } catch (IOException e) {
         if (keep == null) keep = e;
       }
     if (keep != null) throw (IOException) keep.fillInStackTrace();
   }
 }
  private void writeTable(
      Iterable<Number> values,
      FormatAndBits compression,
      int count,
      NormMap uniqueValues,
      int numOrds)
      throws IOException {
    data.writeVInt(PackedInts.VERSION_CURRENT);
    data.writeVInt(compression.format.getId());
    data.writeVInt(compression.bitsPerValue);

    data.writeVInt(numOrds);
    for (int i = 0; i < numOrds; i++) {
      data.writeByte(uniqueValues.values[i]);
    }

    final PackedInts.Writer writer =
        PackedInts.getWriterNoHeader(
            data,
            compression.format,
            count,
            compression.bitsPerValue,
            PackedInts.DEFAULT_BUFFER_SIZE);
    for (Number nv : values) {
      int ord = uniqueValues.ord(nv.byteValue());
      if (ord < numOrds) {
        writer.add(ord);
      } else {
        writer.add(numOrds); // collapses all ords >= numOrds into a single value
      }
    }
    writer.finish();
  }
Esempio n. 11
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 public void writeChecksums() throws IOException {
   String checksumName = CHECKSUMS_PREFIX + System.currentTimeMillis();
   ImmutableMap<String, StoreFileMetaData> files = list();
   synchronized (mutex) {
     Map<String, String> checksums = new HashMap<String, String>();
     for (StoreFileMetaData metaData : files.values()) {
       if (metaData.checksum() != null) {
         checksums.put(metaData.name(), metaData.checksum());
       }
     }
     IndexOutput output = directory.createOutput(checksumName, IOContext.DEFAULT, true);
     output.writeInt(0); // version
     output.writeStringStringMap(checksums);
     output.close();
   }
   for (StoreFileMetaData metaData : files.values()) {
     if (metaData.name().startsWith(CHECKSUMS_PREFIX) && !checksumName.equals(metaData.name())) {
       try {
         directory.deleteFileChecksum(metaData.name());
       } catch (Exception e) {
         // ignore
       }
     }
   }
 }
Esempio n. 12
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  @Test
  public void testCleanUpWithLegacyChecksums() throws IOException {
    Map<String, StoreFileMetaData> metaDataMap = new HashMap<>();
    metaDataMap.put(
        "segments_1",
        new StoreFileMetaData("segments_1", 50, null, null, new BytesRef(new byte[] {1})));
    metaDataMap.put(
        "_0_1.del", new StoreFileMetaData("_0_1.del", 42, "foobarbaz", null, new BytesRef()));
    Store.MetadataSnapshot snapshot = new Store.MetadataSnapshot(metaDataMap);

    final ShardId shardId = new ShardId(new Index("index"), 1);
    DirectoryService directoryService = new LuceneManagedDirectoryService(random());
    Store store =
        new Store(
            shardId,
            ImmutableSettings.EMPTY,
            directoryService,
            randomDistributor(directoryService),
            new DummyShardLock(shardId));
    for (String file : metaDataMap.keySet()) {
      try (IndexOutput output = store.directory().createOutput(file, IOContext.DEFAULT)) {
        BytesRef bytesRef = new BytesRef(TestUtil.randomRealisticUnicodeString(random(), 10, 1024));
        output.writeBytes(bytesRef.bytes, bytesRef.offset, bytesRef.length);
        CodecUtil.writeFooter(output);
      }
    }

    store.verifyAfterCleanup(snapshot, snapshot);
    store.deleteContent();
    IOUtils.close(store);
  }
 public CompletionFieldsConsumer(SegmentWriteState state) throws IOException {
   this.delegatesFieldsConsumer = delegatePostingsFormat.fieldsConsumer(state);
   String suggestFSTFile =
       IndexFileNames.segmentFileName(state.segmentInfo.name, state.segmentSuffix, EXTENSION);
   IndexOutput output = null;
   boolean success = false;
   try {
     output = state.directory.createOutput(suggestFSTFile, state.context);
     CodecUtil.writeIndexHeader(
         output,
         CODEC_NAME,
         SUGGEST_VERSION_CURRENT,
         state.segmentInfo.getId(),
         state.segmentSuffix);
     /*
      * we write the delegate postings format name so we can load it
      * without getting an instance in the ctor
      */
     output.writeString(delegatePostingsFormat.getName());
     output.writeString(writeProvider.getName());
     this.suggestFieldsConsumer = writeProvider.consumer(output);
     success = true;
   } finally {
     if (!success) {
       IOUtils.closeWhileHandlingException(output);
     }
   }
 }
 private void addUncompressed(Iterable<Number> values, int count) throws IOException {
   meta.writeVInt(count);
   meta.writeByte(UNCOMPRESSED); // uncompressed byte[]
   meta.writeLong(data.getFilePointer());
   for (Number nv : values) {
     data.writeByte(nv.byteValue());
   }
 }
 /** Creates a file of the specified size with random data. */
 private void createRandomFile(Directory dir, String name, int size) throws IOException {
   IndexOutput os = dir.createOutput(name);
   for (int i = 0; i < size; i++) {
     byte b = (byte) (Math.random() * 256);
     os.writeByte(b);
   }
   os.close();
 }
Esempio n. 16
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  @Override
  public void flushTermsBlock(int start, int count) throws IOException {
    if (DEBUG)
      System.out.println(
          "PW: flushTermsBlock start="
              + start
              + " count="
              + count
              + " pendingTerms.size()="
              + pendingTerms.size());
    int wrappedCount = 0;
    assert buffer.getFilePointer() == 0;
    assert start >= count;

    final int limit = pendingTerms.size() - start + count;

    for (int idx = pendingTerms.size() - start; idx < limit; idx++) {
      final PendingTerm term = pendingTerms.get(idx);
      if (term == null) {
        wrappedCount++;
      } else {
        buffer.writeVInt(term.bytes.length);
        buffer.writeBytes(term.bytes, 0, term.bytes.length);
      }
    }

    termsOut.writeVInt((int) buffer.getFilePointer());
    buffer.writeTo(termsOut);
    buffer.reset();

    // TDOO: this could be somewhat costly since
    // pendingTerms.size() could be biggish?
    int futureWrappedCount = 0;
    final int limit2 = pendingTerms.size();
    for (int idx = limit; idx < limit2; idx++) {
      if (pendingTerms.get(idx) == null) {
        futureWrappedCount++;
      }
    }

    // Remove the terms we just wrote:
    pendingTerms.subList(pendingTerms.size() - start, limit).clear();

    if (DEBUG)
      System.out.println(
          "PW:   len="
              + buffer.getFilePointer()
              + " fp="
              + termsOut.getFilePointer()
              + " futureWrappedCount="
              + futureWrappedCount
              + " wrappedCount="
              + wrappedCount);
    // TODO: can we avoid calling this if all terms
    // were inlined...?  Eg for a "primary key" field, the
    // wrapped codec is never invoked...
    wrappedPostingsWriter.flushTermsBlock(futureWrappedCount + wrappedCount, wrappedCount);
  }
 /**
  * It creates a file with fixed size using a RepeatableLongByteSequence object to generate a
  * repeatable content
  *
  * @param dir The Directory containing the file to create
  * @param fileName The file name to create
  * @param contentFileSize The size content file to create
  * @throws IOException
  */
 private void createFileWithRepeatableContent(
     Directory dir, String fileName, final int contentFileSize) throws IOException {
   IndexOutput indexOutput = dir.createOutput(fileName);
   RepeatableLongByteSequence bytesGenerator = new RepeatableLongByteSequence();
   for (int i = 0; i < contentFileSize; i++) {
     indexOutput.writeByte(bytesGenerator.nextByte());
   }
   indexOutput.close();
 }
 /**
  * Creates a file of the specified size with sequential data. The first byte is written as the
  * start byte provided. All subsequent bytes are computed as start + offset where offset is the
  * number of the byte.
  */
 private void createSequenceFile(Directory dir, String name, byte start, int size)
     throws IOException {
   IndexOutput os = dir.createOutput(name);
   for (int i = 0; i < size; i++) {
     os.writeByte(start);
     start++;
   }
   os.close();
 }
  private void addTableCompressed(
      Iterable<Number> values, FormatAndBits compression, int count, NormMap uniqueValues)
      throws IOException {
    meta.writeVInt(count);
    meta.writeByte(TABLE_COMPRESSED); // table-compressed
    meta.writeLong(data.getFilePointer());

    writeTable(values, compression, count, uniqueValues, uniqueValues.size);
  }
  public void testEncodeDecode() throws IOException {
    final int iterations = RandomInts.randomIntBetween(random(), 1, 1000);
    final float acceptableOverheadRatio = random().nextFloat();
    final int[] values = new int[(iterations - 1) * BLOCK_SIZE + ForUtil.MAX_DATA_SIZE];
    for (int i = 0; i < iterations; ++i) {
      final int bpv = random().nextInt(32);
      if (bpv == 0) {
        final int value = RandomInts.randomIntBetween(random(), 0, Integer.MAX_VALUE);
        for (int j = 0; j < BLOCK_SIZE; ++j) {
          values[i * BLOCK_SIZE + j] = value;
        }
      } else {
        for (int j = 0; j < BLOCK_SIZE; ++j) {
          values[i * BLOCK_SIZE + j] =
              RandomInts.randomIntBetween(random(), 0, (int) PackedInts.maxValue(bpv));
        }
      }
    }

    final Directory d = new RAMDirectory();
    final long endPointer;

    {
      // encode
      IndexOutput out = d.createOutput("test.bin", IOContext.DEFAULT);
      final ForUtil forUtil = new ForUtil(acceptableOverheadRatio, out);

      for (int i = 0; i < iterations; ++i) {
        forUtil.writeBlock(
            Arrays.copyOfRange(values, i * BLOCK_SIZE, values.length),
            new byte[MAX_ENCODED_SIZE],
            out);
      }
      endPointer = out.getFilePointer();
      out.close();
    }

    {
      // decode
      IndexInput in = d.openInput("test.bin", IOContext.READONCE);
      final ForUtil forUtil = new ForUtil(in);
      for (int i = 0; i < iterations; ++i) {
        if (random().nextBoolean()) {
          forUtil.skipBlock(in);
          continue;
        }
        final int[] restored = new int[MAX_DATA_SIZE];
        forUtil.readBlock(in, new byte[MAX_ENCODED_SIZE], restored);
        assertArrayEquals(
            Arrays.copyOfRange(values, i * BLOCK_SIZE, (i + 1) * BLOCK_SIZE),
            Arrays.copyOf(restored, BLOCK_SIZE));
      }
      assertEquals(endPointer, in.getFilePointer());
      in.close();
    }
  }
Esempio n. 21
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  final void finishCommit(Directory dir) throws IOException {
    if (pendingSegnOutput == null) throw new IllegalStateException("prepareCommit was not called");
    boolean success = false;
    try {
      pendingSegnOutput.finishCommit();
      pendingSegnOutput.close();
      pendingSegnOutput = null;
      success = true;
    } finally {
      if (!success) rollbackCommit(dir);
    }

    // NOTE: if we crash here, we have left a segments_N
    // file in the directory in a possibly corrupt state (if
    // some bytes made it to stable storage and others
    // didn't).  But, the segments_N file includes checksum
    // at the end, which should catch this case.  So when a
    // reader tries to read it, it will throw a
    // CorruptIndexException, which should cause the retry
    // logic in SegmentInfos to kick in and load the last
    // good (previous) segments_N-1 file.

    final String fileName =
        IndexFileNames.fileNameFromGeneration(IndexFileNames.SEGMENTS, "", generation);
    success = false;
    try {
      dir.sync(Collections.singleton(fileName));
      success = true;
    } finally {
      if (!success) {
        try {
          dir.deleteFile(fileName);
        } catch (Throwable t) {
          // Suppress so we keep throwing the original exception
        }
      }
    }

    lastGeneration = generation;

    try {
      IndexOutput genOutput = dir.createOutput(IndexFileNames.SEGMENTS_GEN);
      try {
        genOutput.writeInt(FORMAT_LOCKLESS);
        genOutput.writeLong(generation);
        genOutput.writeLong(generation);
      } finally {
        genOutput.close();
      }
    } catch (ThreadInterruptedException t) {
      throw t;
    } catch (Throwable t) {
      // It's OK if we fail to write this file since it's
      // used only as one of the retry fallbacks.
    }
  }
  @Override
  public void write(Directory dir, SegmentInfo si, IOContext context) throws IOException {
    String dataFile = IndexFileNames.segmentFileName(si.name, "", DATA_EXTENSION);

    int numFiles = si.files().size();
    String names[] = si.files().toArray(new String[numFiles]);
    Arrays.sort(names);
    long startOffsets[] = new long[numFiles];
    long endOffsets[] = new long[numFiles];

    BytesRefBuilder scratch = new BytesRefBuilder();

    try (IndexOutput out = dir.createOutput(dataFile, context)) {
      for (int i = 0; i < names.length; i++) {
        // write header for file
        SimpleTextUtil.write(out, HEADER);
        SimpleTextUtil.write(out, names[i], scratch);
        SimpleTextUtil.writeNewline(out);

        // write bytes for file
        startOffsets[i] = out.getFilePointer();
        try (IndexInput in = dir.openInput(names[i], IOContext.READONCE)) {
          out.copyBytes(in, in.length());
        }
        endOffsets[i] = out.getFilePointer();
      }

      long tocPos = out.getFilePointer();

      // write CFS table
      SimpleTextUtil.write(out, TABLE);
      SimpleTextUtil.write(out, Integer.toString(numFiles), scratch);
      SimpleTextUtil.writeNewline(out);

      for (int i = 0; i < names.length; i++) {
        SimpleTextUtil.write(out, TABLENAME);
        SimpleTextUtil.write(out, names[i], scratch);
        SimpleTextUtil.writeNewline(out);

        SimpleTextUtil.write(out, TABLESTART);
        SimpleTextUtil.write(out, Long.toString(startOffsets[i]), scratch);
        SimpleTextUtil.writeNewline(out);

        SimpleTextUtil.write(out, TABLEEND);
        SimpleTextUtil.write(out, Long.toString(endOffsets[i]), scratch);
        SimpleTextUtil.writeNewline(out);
      }

      DecimalFormat df =
          new DecimalFormat(OFFSETPATTERN, DecimalFormatSymbols.getInstance(Locale.ROOT));
      SimpleTextUtil.write(out, TABLEPOS);
      SimpleTextUtil.write(out, df.format(tocPos), scratch);
      SimpleTextUtil.writeNewline(out);
    }
  }
 @Override
 public void resetSkip() {
   super.resetSkip();
   Arrays.fill(lastSkipDoc, 0);
   Arrays.fill(
       lastSkipPayloadLength, -1); // we don't have to write the first length in the skip list
   Arrays.fill(
       lastSkipOffsetLength, -1); // we don't have to write the first length in the skip list
   Arrays.fill(lastSkipFreqPointer, freqOutput.getFilePointer());
   if (proxOutput != null) Arrays.fill(lastSkipProxPointer, proxOutput.getFilePointer());
 }
Esempio n. 24
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  private void writeField() throws IOException {
    // remember where this field is written
    currentField.tvfPointer = tvf.getFilePointer();
    // System.out.println("Field Pointer: " + currentField.tvfPointer);

    final int size = terms.size();
    tvf.writeVInt(size);

    boolean storePositions = currentField.storePositions;
    boolean storeOffsets = currentField.storeOffsets;
    byte bits = 0x0;
    if (storePositions) bits |= STORE_POSITIONS_WITH_TERMVECTOR;
    if (storeOffsets) bits |= STORE_OFFSET_WITH_TERMVECTOR;
    tvf.writeByte(bits);

    String lastTermText = "";
    for (int i = 0; i < size; i++) {
      TVTerm term = (TVTerm) terms.elementAt(i);
      int start = StringHelper.stringDifference(lastTermText, term.termText);
      int length = term.termText.length() - start;
      tvf.writeVInt(start); // write shared prefix length
      tvf.writeVInt(length); // write delta length
      tvf.writeChars(term.termText, start, length); // write delta chars
      tvf.writeVInt(term.freq);
      lastTermText = term.termText;

      if (storePositions) {
        if (term.positions == null)
          throw new IllegalStateException("Trying to write positions that are null!");

        // use delta encoding for positions
        int position = 0;
        for (int j = 0; j < term.freq; j++) {
          tvf.writeVInt(term.positions[j] - position);
          position = term.positions[j];
        }
      }

      if (storeOffsets) {
        if (term.offsets == null)
          throw new IllegalStateException("Trying to write offsets that are null!");

        // use delta encoding for offsets
        int position = 0;
        for (int j = 0; j < term.freq; j++) {
          tvf.writeVInt(term.offsets[j].getStartOffset() - position);
          tvf.writeVInt(
              term.offsets[j].getEndOffset()
                  - term.offsets[j].getStartOffset()); // Save the diff between the two.
          position = term.offsets[j].getEndOffset();
        }
      }
    }
  }
Esempio n. 25
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 @Override
 public void close() {
   try {
     output.flush();
     output.close();
     super.close();
   } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
   }
 }
Esempio n. 26
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 @Override
 public void messageReceived(final RecoveryFileChunkRequest request, TransportChannel channel)
     throws Exception {
   try (RecoveriesCollection.StatusRef statusRef =
       onGoingRecoveries.getStatusSafe(request.recoveryId(), request.shardId())) {
     final RecoveryStatus recoveryStatus = statusRef.status();
     final Store store = recoveryStatus.store();
     recoveryStatus.state().getTranslog().totalOperations(request.totalTranslogOps());
     final RecoveryState.Index indexState = recoveryStatus.state().getIndex();
     if (request.sourceThrottleTimeInNanos() != RecoveryState.Index.UNKNOWN) {
       indexState.addSourceThrottling(request.sourceThrottleTimeInNanos());
     }
     IndexOutput indexOutput;
     if (request.position() == 0) {
       indexOutput =
           recoveryStatus.openAndPutIndexOutput(request.name(), request.metadata(), store);
     } else {
       indexOutput = recoveryStatus.getOpenIndexOutput(request.name());
     }
     BytesReference content = request.content();
     if (!content.hasArray()) {
       content = content.toBytesArray();
     }
     RateLimiter rl = recoverySettings.rateLimiter();
     if (rl != null) {
       long bytes = bytesSinceLastPause.addAndGet(content.length());
       if (bytes > rl.getMinPauseCheckBytes()) {
         // Time to pause
         bytesSinceLastPause.addAndGet(-bytes);
         long throttleTimeInNanos = rl.pause(bytes);
         indexState.addTargetThrottling(throttleTimeInNanos);
         recoveryStatus.indexShard().recoveryStats().addThrottleTime(throttleTimeInNanos);
       }
     }
     indexOutput.writeBytes(content.array(), content.arrayOffset(), content.length());
     indexState.addRecoveredBytesToFile(request.name(), content.length());
     if (indexOutput.getFilePointer() >= request.length() || request.lastChunk()) {
       try {
         Store.verify(indexOutput);
       } finally {
         // we are done
         indexOutput.close();
       }
       // write the checksum
       recoveryStatus.legacyChecksums().add(request.metadata());
       final String temporaryFileName = recoveryStatus.getTempNameForFile(request.name());
       assert Arrays.asList(store.directory().listAll()).contains(temporaryFileName);
       store.directory().sync(Collections.singleton(temporaryFileName));
       IndexOutput remove = recoveryStatus.removeOpenIndexOutputs(request.name());
       assert remove == null || remove == indexOutput; // remove maybe null if we got finished
     }
   }
   channel.sendResponse(TransportResponse.Empty.INSTANCE);
 }
 /** Sets the values for the current skip data. */
 public void setSkipData(
     int doc, boolean storePayloads, int payloadLength, boolean storeOffsets, int offsetLength) {
   assert storePayloads || payloadLength == -1;
   assert storeOffsets || offsetLength == -1;
   this.curDoc = doc;
   this.curStorePayloads = storePayloads;
   this.curPayloadLength = payloadLength;
   this.curStoreOffsets = storeOffsets;
   this.curOffsetLength = offsetLength;
   this.curFreqPointer = freqOutput.getFilePointer();
   if (proxOutput != null) this.curProxPointer = proxOutput.getFilePointer();
 }
  @Test
  public void testNoDocs() throws IOException {
    AnalyzingCompletionLookupProvider provider =
        new AnalyzingCompletionLookupProvider(true, false, true, true);
    RAMDirectory dir = new RAMDirectory();
    IndexOutput output = dir.createOutput("foo.txt", IOContext.DEFAULT);
    FieldsConsumer consumer = provider.consumer(output);
    consumer.write(
        new Fields() {
          @Override
          public Iterator<String> iterator() {
            return Arrays.asList("foo").iterator();
          }

          @Override
          public Terms terms(String field) throws IOException {
            return null;
          }

          @Override
          public int size() {
            return 1;
          }
        });
    consumer.close();
    output.close();

    IndexInput input = dir.openInput("foo.txt", IOContext.DEFAULT);
    LookupFactory load = provider.load(input);
    PostingsFormat format = new Elasticsearch090PostingsFormat();
    NamedAnalyzer analyzer = new NamedAnalyzer("foo", new StandardAnalyzer());
    assertNull(
        load.getLookup(
            new CompletionFieldMapper(
                new Names("foo"),
                analyzer,
                analyzer,
                format,
                null,
                true,
                true,
                true,
                Integer.MAX_VALUE,
                indexSettings,
                AbstractFieldMapper.MultiFields.empty(),
                null,
                ContextMapping.EMPTY_MAPPING),
            new CompletionSuggestionContext(null)));
    dir.close();
  }
Esempio n. 29
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  public TermVectorsWriter(Directory directory, String segment, FieldInfos fieldInfos)
      throws IOException {
    // Open files for TermVector storage
    tvx = directory.createOutput(segment + TVX_EXTENSION);
    tvx.writeInt(FORMAT_VERSION);
    tvd = directory.createOutput(segment + TVD_EXTENSION);
    tvd.writeInt(FORMAT_VERSION);
    tvf = directory.createOutput(segment + TVF_EXTENSION);
    tvf.writeInt(FORMAT_VERSION);

    this.fieldInfos = fieldInfos;
    fields = new Vector(fieldInfos.size());
    terms = new Vector();
  }
Esempio n. 30
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 @Override
 public void start(IndexOutput termsOut) throws IOException {
   this.termsOut = termsOut;
   CodecUtil.writeHeader(termsOut, CODEC, VERSION_CURRENT);
   termsOut.writeVInt(pending.length); // encode maxPositions in header
   wrappedPostingsWriter.start(termsOut);
 }