public void readVectoredRanges()

in hadoop-api-shim/src/main/java/org/apache/hadoop/fs/shim/impl/FSDataInputStreamShimImpl.java [421:440]


  public void readVectoredRanges(
      List<VectorFileRange> ranges,
      IntFunction<ByteBuffer> allocate)
      throws IOException {

    // if the readRange API is present, convert the arguments and delegate.
    if (readVectored.available()) {
      final List<Object> list = ranges.stream()
          .map(FILE_RANGE_BRIDGE::toFileRange)
          .collect(Collectors.toList());
      invokeReadVectored(list, allocate);
    } else {
      // one of ranges.
      // fallback code
      VectoredRangeReadImpl.readRanges(this,
          isByteBufferPositionedReadAvailable(),
          ranges,
          allocate);
    }
  }