org.apache.mahout.math

Class MatrixWritable

java.lang.Object

org.apache.mahout.math.MatrixWritable

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public class MatrixWritable
extends Object
implements org.apache.hadoop.io.Writable

Constructor Summary

Constructors

Constructor and Description
MatrixWritable()
MatrixWritable(Matrix m)

Method Summary

Methods

Modifier and Type	Method and Description
Matrix	get()
void	readFields(DataInput in)
static void	readLabels(DataInput in, Map<String,Integer> columnLabelBindings, Map<String,Integer> rowLabelBindings)
static Matrix	readMatrix(DataInput in) Reads a typed Matrix instance from the input stream
void	set(Matrix matrix)
void	write(DataOutput out)
static void	writeLabelBindings(DataOutput out, Map<String,Integer> columnLabelBindings, Map<String,Integer> rowLabelBindings)
static void	writeMatrix(DataOutput out, Matrix matrix) Writes a typed Matrix instance to the output stream

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MatrixWritable

public MatrixWritable()

MatrixWritable

public MatrixWritable(Matrix m)

Method Detail

get

public Matrix get()

set

public void set(Matrix matrix)

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

readLabels

public static void readLabels(DataInput in,
              Map<String,Integer> columnLabelBindings,
              Map<String,Integer> rowLabelBindings)
                       throws IOException

Throws:

IOException

writeLabelBindings

public static void writeLabelBindings(DataOutput out,
                      Map<String,Integer> columnLabelBindings,
                      Map<String,Integer> rowLabelBindings)
                               throws IOException

Throws:

IOException

readMatrix

public static Matrix readMatrix(DataInput in)
                         throws IOException

Reads a typed Matrix instance from the input stream

Throws:

IOException

writeMatrix

public static void writeMatrix(DataOutput out,
               Matrix matrix)
                        throws IOException

Writes a typed Matrix instance to the output stream

Throws:

IOException