Package org.datavec.api.formats.input

Class BaseInputFormat

java.lang.Object

org.datavec.api.formats.input.BaseInputFormat

All Implemented Interfaces:

Serializable, InputFormat, Writable

Direct Known Subclasses:

CSVInputFormat, LibSvmInputFormat, LineInputFormat, MatlabInputFormat, SVMLightInputFormat

public abstract class BaseInputFormat
extends Object
implements InputFormat

Author:

Adam Gibson

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
BaseInputFormat()

Method Summary

Modifier and Type	Method	Description
RecordReader	createReader(InputSplit split)	Creates a reader from an input split
WritableType	getType()	Get the type of the writable.
void	readFields(DataInput in)	Deserialize the fields of this object from in.
double	toDouble()	Convert Writable to double.
float	toFloat()	Convert Writable to float.
int	toInt()	Convert Writable to int.
long	toLong()	Convert Writable to long.
void	write(DataOutput out)	Serialize the fields of this object to out.
void	writeType(DataOutput out)	Write the type (a single short value) to the DataOutput.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.datavec.api.formats.input.InputFormat

createReader

Constructor Detail

BaseInputFormat

public BaseInputFormat()

Method Detail

createReader

public RecordReader createReader(InputSplit split)
                          throws IOException,
                                 InterruptedException

Description copied from interface: InputFormat

Creates a reader from an input split

Specified by:

createReader in interface InputFormat

Parameters:

split - the split to read

Returns:

the reader from the given input split

Throws:

IOException

InterruptedException

write

public void write(DataOutput out)
           throws IOException

Description copied from interface: Writable

Serialize the fields of this object to out.

Specified by:

write in interface Writable

Parameters:

out - DataOuput to serialize this object into.

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Description copied from interface: Writable

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

Specified by:

readFields in interface Writable

Parameters:

in - DataInput to deseriablize this object from.

Throws:

IOException

toDouble

public double toDouble()

Description copied from interface: Writable

Convert Writable to double. Whether this is supported depends on the specific writable.

Specified by:

toDouble in interface Writable

toFloat

public float toFloat()

Description copied from interface: Writable

Convert Writable to float. Whether this is supported depends on the specific writable.

Specified by:

toFloat in interface Writable

toInt

public int toInt()

Description copied from interface: Writable

Convert Writable to int. Whether this is supported depends on the specific writable.

Specified by:

toInt in interface Writable

toLong

public long toLong()

Description copied from interface: Writable

Convert Writable to long. Whether this is supported depends on the specific writable.

Specified by:

toLong in interface Writable

writeType

public void writeType(DataOutput out)
               throws IOException

Description copied from interface: Writable

Write the type (a single short value) to the DataOutput. See WritableFactory for details.

Specified by:

writeType in interface Writable

Parameters:

out - DataOutput to write to

Throws:

IOException - For errors during writing

getType

public WritableType getType()

Description copied from interface: Writable

Get the type of the writable.

Specified by:

getType in interface Writable

Returns: