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

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.io.BinaryComparable (implements java.lang.Comparable<T>)
    - org.apache.hadoop.io.Text (implements org.apache.hadoop.io.WritableComparable<T>)
      - org.apache.sysds.runtime.instructions.spark.data.SerText (implements java.io.Serializable)
  - org.apache.sysds.runtime.instructions.spark.data.CorrMatrixBlock (implements java.io.Externalizable)
  - org.apache.sysds.runtime.instructions.spark.data.FrameReblockBuffer
  - org.apache.sysds.runtime.instructions.spark.data.IndexedMatrixValue (implements java.io.Serializable)
  - org.apache.sysds.runtime.instructions.spark.data.LazyIterableIterator<T> (implements java.lang.Iterable<T>, java.util.Iterator<E>)
  - org.apache.sysds.runtime.instructions.spark.data.LineageObject
    - org.apache.sysds.runtime.instructions.spark.data.BroadcastObject<T>
    - org.apache.sysds.runtime.instructions.spark.data.DatasetObject
    - org.apache.sysds.runtime.instructions.spark.data.RDDObject
  - org.apache.hadoop.io.LongWritable (implements org.apache.hadoop.io.WritableComparable<T>)
    - org.apache.sysds.runtime.instructions.spark.data.SerLongWritable (implements java.io.Serializable)
  - org.apache.sysds.runtime.instructions.spark.data.PartitionedBlock<T> (implements java.io.Externalizable)
  - org.apache.sysds.runtime.instructions.spark.data.PartitionedBroadcast<T> (implements java.io.Serializable)
  - org.apache.spark.Partitioner (implements scala.Serializable)
    - org.apache.sysds.runtime.instructions.spark.data.BlockPartitioner
  - org.apache.sysds.runtime.instructions.spark.data.ReblockBuffer
  - org.apache.sysds.runtime.instructions.spark.data.RowMatrixBlock (implements java.io.Externalizable)

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