org.apache.mahout.utils.vectors.io

Class TextualVectorWriter

java.lang.Object

org.apache.mahout.utils.vectors.io.TextualVectorWriter

All Implemented Interfaces:

Closeable, AutoCloseable, VectorWriter

public class TextualVectorWriter
extends Object
implements VectorWriter

Write out the vectors to any Writer using Vector.asFormatString(), one per line by default.

Constructor Summary

Constructors

Constructor and Description
TextualVectorWriter(Writer writer)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected Writer	getWriter()
long	write(Iterable<Vector> iterable) Write all values in the Iterable to the output
long	write(Iterable<Vector> iterable, long maxDocs) Write the first maxDocs to the output.
void	write(Vector vector) Write out a vector

Methods inherited from class java.lang.Object

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

Constructor Detail

TextualVectorWriter

public TextualVectorWriter(Writer writer)

Method Detail

getWriter

protected Writer getWriter()

write

public long write(Iterable<Vector> iterable)
           throws IOException

Description copied from interface: VectorWriter

Write all values in the Iterable to the output

Specified by:

write in interface VectorWriter

Parameters:

iterable - The Iterable to loop over

Returns:

the number of docs written

Throws:

IOException - if there was a problem writing

write

public long write(Iterable<Vector> iterable,
         long maxDocs)
           throws IOException

Description copied from interface: VectorWriter

Write the first maxDocs to the output.

Specified by:

write in interface VectorWriter

Parameters:

iterable - The Iterable to loop over

maxDocs - the maximum number of docs to write

Returns:

The number of docs written

Throws:

IOException - if there was a problem writing

write

public void write(Vector vector)
           throws IOException

Description copied from interface: VectorWriter

Write out a vector

Specified by:

write in interface VectorWriter

Parameters:

vector - The Vector to write

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException