Package org.apache.sysds.runtime.controlprogram.caching

Class CacheDataOutput

java.lang.Object

org.apache.sysds.runtime.controlprogram.caching.CacheDataOutput

All Implemented Interfaces:

DataOutput, MatrixBlockDataOutput

public class CacheDataOutput
extends Object
implements DataOutput, MatrixBlockDataOutput

Custom DataOutput to serialize directly into the given byte array.

Constructor Summary

Constructors

Constructor	Description
CacheDataOutput(byte[] mem)
CacheDataOutput(int size)

Method Summary

Modifier and Type	Method	Description
byte[]	getBytes()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)
void	writeBoolean(boolean v)
void	writeByte(int v)
void	writeBytes(String s)
void	writeChar(int v)
void	writeChars(String s)
void	writeDouble(double v)
void	writeDoubleArray(int len, double[] varr)	Writes the double array of a dense block to the data output.
void	writeFloat(float v)
void	writeInt(int v)
void	writeLong(long v)
void	writeShort(int v)
void	writeSparseRows(int rlen, SparseBlock rows)	Writes the sparse rows array of a sparse block to the data output.
void	writeUTF(String s)

Methods inherited from class java.lang.Object

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

Constructor Details

CacheDataOutput

public CacheDataOutput(int size)

CacheDataOutput

public CacheDataOutput(byte[] mem)

Method Details

write

public void write(int b)
           throws IOException

Specified by:

write in interface DataOutput

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Specified by:

write in interface DataOutput

Throws:

IOException

write

public void write(byte[] b,
 int off,
 int len)
           throws IOException

Specified by:

write in interface DataOutput

Throws:

IOException

writeBoolean

public void writeBoolean(boolean v)
                  throws IOException

Specified by:

writeBoolean in interface DataOutput

Throws:

IOException

writeInt

public void writeInt(int v)
              throws IOException

Specified by:

writeInt in interface DataOutput

Throws:

IOException

writeDouble

public void writeDouble(double v)
                 throws IOException

Specified by:

writeDouble in interface DataOutput

Throws:

IOException

writeByte

public void writeByte(int v)
               throws IOException

Specified by:

writeByte in interface DataOutput

Throws:

IOException

writeBytes

public void writeBytes(String s)
                throws IOException

Specified by:

writeBytes in interface DataOutput

Throws:

IOException

writeChar

public void writeChar(int v)
               throws IOException

Specified by:

writeChar in interface DataOutput

Throws:

IOException

writeChars

public void writeChars(String s)
                throws IOException

Specified by:

writeChars in interface DataOutput

Throws:

IOException

writeFloat

public void writeFloat(float v)
                throws IOException

Specified by:

writeFloat in interface DataOutput

Throws:

IOException

writeLong

public void writeLong(long v)
               throws IOException

Specified by:

writeLong in interface DataOutput

Throws:

IOException

writeShort

public void writeShort(int v)
                throws IOException

Specified by:

writeShort in interface DataOutput

Throws:

IOException

writeUTF

public void writeUTF(String s)
              throws IOException

Specified by:

writeUTF in interface DataOutput

Throws:

IOException

writeDoubleArray

public void writeDoubleArray(int len,
 double[] varr)
                      throws IOException

Description copied from interface: MatrixBlockDataOutput

Writes the double array of a dense block to the data output.

Specified by:

writeDoubleArray in interface MatrixBlockDataOutput

Parameters:

len - ?

varr - ?

Throws:

IOException - if IOException occurs

writeSparseRows

public void writeSparseRows(int rlen,
 SparseBlock rows)
                     throws IOException

Description copied from interface: MatrixBlockDataOutput

Writes the sparse rows array of a sparse block to the data output.

Specified by:

writeSparseRows in interface MatrixBlockDataOutput

Parameters:

rlen - ?

rows - sparse block

Throws:

IOException - if IOException occurs

getBytes

public byte[] getBytes()