# Package org.apache.sysds.runtime.io

Class Summary
BinaryBlockSerialization: This custom serialization class can be used via job.set(MRConfigurationNames.IO_SERIALIZATIONS, "org.apache.sysds.runtime.io.BinaryBlockSerialization");
BinaryBlockSerialization.MatrixBlockDeserializer
BinaryBlockSerialization.MatrixBlockSerializer
FileFormatProperties
FileFormatPropertiesCSV
FileFormatPropertiesHDF5
FileFormatPropertiesLIBSVM
FileFormatPropertiesMM
FrameReader: Base class for all format-specific frame readers.
FrameReaderBinaryBlock: Single-threaded frame binary block reader.
FrameReaderBinaryBlockParallel: Multi-threaded frame binary block reader.
FrameReaderFactory
FrameReaderJSONL
FrameReaderJSONLParallel
FrameReaderProto
FrameReaderTextCell: Single-threaded frame textcell reader.
FrameReaderTextCellParallel: Multi-threaded frame textcell reader.
FrameReaderTextCSV: Single-threaded frame text csv reader.
FrameReaderTextCSVParallel: Multi-threaded frame text csv reader.
FrameWriter: Base class for all format-specific frame writers.
FrameWriterBinaryBlock: Single-threaded frame binary block writer.
FrameWriterBinaryBlockParallel: Multi-threaded frame binary block writer.
FrameWriterFactory
FrameWriterJSONL
FrameWriterJSONLParallel
FrameWriterProto
FrameWriterTextCell: Single-threaded frame text cell writer.
FrameWriterTextCellParallel: Multi-threaded frame text cell writer.
FrameWriterTextCSV: Single-threaded frame text csv writer.
FrameWriterTextCSVParallel: Single-threaded frame text csv writer.
InputOutputInfo
IOUtilFunctions
IOUtilFunctions.CountRowsTask
ListReader
ListWriter
MatrixReader: Base class for all format-specific matrix readers.
MatrixReaderFactory
MatrixWriter: Base class for all format-specific matrix writers.
MatrixWriterFactory
ReaderBinaryBlock
ReaderBinaryBlockParallel
ReaderHDF5
ReaderHDF5Parallel
ReaderTextCell
ReaderTextCellParallel: Parallel version of ReaderTextCell.java.
ReaderTextCellParallel.CellBuffer: Useful class for buffering unordered cells before locking target onces and appending all buffered cells.
ReaderTextCellParallel.CountNnzTask
ReaderTextCellParallel.ReadTask
ReaderTextCSV
ReaderTextCSVParallel: Parallel version of ReaderTextCSV.java.
ReaderTextLIBSVM
ReaderTextLIBSVMParallel
ReaderWriterFederated: This class serves as the reader for federated objects.
ReadProperties
TensorReader
TensorReaderBinaryBlock
TensorReaderBinaryBlockParallel
TensorReaderFactory
TensorReaderTextCell
TensorReaderTextCellParallel
TensorWriter
TensorWriterBinaryBlock
TensorWriterBinaryBlockParallel
TensorWriterBinaryBlockParallel.WriteFileTask
TensorWriterFactory
TensorWriterTextCell
TensorWriterTextCellParallel
WriterBinaryBlock
WriterBinaryBlockParallel
WriterHDF5
WriterHDF5Parallel
WriterMatrixMarket
WriterMatrixMarketParallel
WriterTextCell
WriterTextCellParallel
WriterTextCSV
WriterTextCSVParallel
WriterTextLIBSVM
WriterTextLIBSVMParallel

Enum Summary
FileFormatPropertiesMM.MMField
FileFormatPropertiesMM.MMFormat
FileFormatPropertiesMM.MMSymmetry