RowMatrixBlock (Apache SystemDS 3.0.0 API)

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 Description

RowMatrixBlock()

RowMatrixBlock(int len, int row, MatrixBlock value)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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