# Hierarchy For Package org.apache.sysds.runtime.data

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.sysds.runtime.data.BasicTensorBlock (implements java.io.Serializable)
  - org.apache.sysds.runtime.data.DataTensorBlock (implements java.io.Serializable)
  - org.apache.sysds.runtime.data.DenseBlock (implements org.apache.sysds.runtime.data.Block, java.io.Serializable)
    - org.apache.sysds.runtime.data.DenseBlockDRB
      - org.apache.sysds.runtime.data.DenseBlockBool
      - org.apache.sysds.runtime.data.DenseBlockFP32
      - org.apache.sysds.runtime.data.DenseBlockFP64
      - org.apache.sysds.runtime.data.DenseBlockFP64DEDUP
      - org.apache.sysds.runtime.data.DenseBlockInt32
      - org.apache.sysds.runtime.data.DenseBlockInt64
      - org.apache.sysds.runtime.data.DenseBlockString
    - org.apache.sysds.runtime.data.DenseBlockLDRB
      - org.apache.sysds.runtime.data.DenseBlockLBool
      - org.apache.sysds.runtime.data.DenseBlockLFP32
      - org.apache.sysds.runtime.data.DenseBlockLFP64
      - org.apache.sysds.runtime.data.DenseBlockLFP64DEDUP
      - org.apache.sysds.runtime.data.DenseBlockLInt32
      - org.apache.sysds.runtime.data.DenseBlockLInt64
      - org.apache.sysds.runtime.data.DenseBlockLString
  - org.apache.sysds.runtime.data.DenseBlockFactory
  - org.apache.sysds.runtime.data.IndexedTensorBlock (implements java.io.Serializable)
  - org.apache.sysds.runtime.data.LibTensorAgg
  - org.apache.sysds.runtime.data.LibTensorBincell
  - org.apache.sysds.runtime.data.LibTensorReorg
  - org.apache.sysds.runtime.data.SparseBlock (implements org.apache.sysds.runtime.data.Block, java.io.Serializable)
    - org.apache.sysds.runtime.data.SparseBlockCOO
    - org.apache.sysds.runtime.data.SparseBlockCSC
    - org.apache.sysds.runtime.data.SparseBlockCSR
    - org.apache.sysds.runtime.data.SparseBlockDCSR
    - org.apache.sysds.runtime.data.SparseBlockMCSC
    - org.apache.sysds.runtime.data.SparseBlockMCSR
  - org.apache.sysds.runtime.data.SparseBlockCOO.NonEmptyRowsIteratorCOO (implements java.util.Iterator<E>)
  - org.apache.sysds.runtime.data.SparseBlockCSC.NonEmptyColumnsIteratorCSC (implements java.util.Iterator<E>)
  - org.apache.sysds.runtime.data.SparseBlockCSC.NonEmptyRowsIteratorCSC (implements java.util.Iterator<E>)
  - org.apache.sysds.runtime.data.SparseBlockCSR.NonEmptyRowsIteratorCSR (implements java.util.Iterator<E>)
  - org.apache.sysds.runtime.data.SparseBlockDCSR.NonEmptyRowsIteratorDCSR (implements java.util.Iterator<E>)
  - org.apache.sysds.runtime.data.SparseBlockFactory
  - org.apache.sysds.runtime.data.SparseBlockMCSC.NonEmptyColumnsIteratorMCSC (implements java.util.Iterator<E>)
  - org.apache.sysds.runtime.data.SparseBlockMCSC.NonEmptyRowsIteratorMCSC (implements java.util.Iterator<E>)
  - org.apache.sysds.runtime.data.SparseBlockMCSR.NonEmptyRowsIteratorMCSR (implements java.util.Iterator<E>)
  - org.apache.sysds.runtime.data.SparseRow (implements java.io.Serializable)
    - org.apache.sysds.runtime.data.SparseRowScalar
    - org.apache.sysds.runtime.data.SparseRowVector
  - org.apache.sysds.runtime.data.TensorBlock (implements org.apache.sysds.runtime.controlprogram.caching.CacheBlock<T>, java.io.Externalizable)
  - org.apache.sysds.runtime.data.TensorIndexes (implements java.io.Externalizable, org.apache.hadoop.io.WritableComparable<T>)

## Interface Hierarchy

- org.apache.sysds.runtime.data.Block

## Enum Class Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.lang.constant.Constable, java.io.Serializable)
    - org.apache.sysds.runtime.data.DenseBlock.Type
    - org.apache.sysds.runtime.data.SparseBlock.Type