org.apache.sysds.runtime.instructions.spark.data

## Class RowMatrixBlock

- java.lang.Object
- - org.apache.sysds.runtime.instructions.spark.data.RowMatrixBlock

- All Implemented Interfaces:
    Externalizable, Serializable

      public class RowMatrixBlock
      extends Object
      implements Externalizable

  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `RowMatrixBlock()`
    `RowMatrixBlock(int len, int row, MatrixBlock value)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `getLen()`
    `int` | `getRow()`
    `MatrixBlock` | `getValue()`
    `void` | `readExternal(ObjectInput is)` Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient deserialization.
    `void` | `writeExternal(ObjectOutput os)` Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient serialization.

    - ### Methods inherited from class java.lang.Object

      `equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### RowMatrixBlock

          public RowMatrixBlock()

    - #### RowMatrixBlock

          public RowMatrixBlock(int len,
                                int row,
                                MatrixBlock value)

  - ### Method Detail

    - #### getLen

          public int getLen()

    - #### getRow

          public int getRow()

    - #### getValue

          public MatrixBlock getValue()

    - #### readExternal

          public void readExternal(ObjectInput is)
                            throws IOException

      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient deserialization.
      Specified by:
        `readExternal` in interface `Externalizable`
      Parameters:
        `is` - object input
      Throws:
        `IOException` - if IOException occurs

    - #### writeExternal

          public void writeExternal(ObjectOutput os)
                             throws IOException

      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient serialization.
      Specified by:
        `writeExternal` in interface `Externalizable`
      Parameters:
        `os` - object output
      Throws:
        `IOException` - if IOException occurs

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