org.apache.mahout.utils.vectors.io

Interface VectorWriter

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

SequenceFileVectorWriter, TextualVectorWriter

public interface VectorWriter
extends Closeable

Method Summary

Methods

Modifier and Type	Method and Description
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 interface java.io.Closeable

close

Method Detail

write

long write(Iterable<Vector> iterable)
           throws IOException

Write all values in the Iterable to the output

Parameters:

iterable - The Iterable to loop over

Returns:

the number of docs written

Throws:

IOException - if there was a problem writing

write

void write(Vector vector)
           throws IOException

Write out a vector

Parameters:

vector - The Vector to write

Throws:

IOException

write

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

Write the first maxDocs to the output.

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