org.apache.mahout.clustering.streaming.tools

Class IOUtils

java.lang.Object

org.apache.mahout.clustering.streaming.tools.IOUtils

public class IOUtils
extends Object

Method Summary

Methods

Modifier and Type	Method and Description
static Iterable<Centroid>	getCentroidsFromCentroidWritableIterable(Iterable<CentroidWritable> dirIterable) Converts CentroidWritable values in a sequence file into Centroids lazily.
static Iterable<Centroid>	getCentroidsFromClusterWritableIterable(Iterable<ClusterWritable> dirIterable) Converts CentroidWritable values in a sequence file into Centroids lazily.
static Iterable<Vector>	getVectorsFromVectorWritableIterable(Iterable<VectorWritable> dirIterable) Converts VectorWritable values in a sequence file into Vectors lazily.

Methods inherited from class java.lang.Object

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

Method Detail

getCentroidsFromCentroidWritableIterable

public static Iterable<Centroid> getCentroidsFromCentroidWritableIterable(Iterable<CentroidWritable> dirIterable)

Converts CentroidWritable values in a sequence file into Centroids lazily.

Parameters:

dirIterable - the source iterable (comes from a SequenceFileDirIterable).

Returns:

an Iterable with the converted vectors.

getCentroidsFromClusterWritableIterable

public static Iterable<Centroid> getCentroidsFromClusterWritableIterable(Iterable<ClusterWritable> dirIterable)

Converts CentroidWritable values in a sequence file into Centroids lazily.

Parameters:

dirIterable - the source iterable (comes from a SequenceFileDirIterable).

Returns:

an Iterable with the converted vectors.

getVectorsFromVectorWritableIterable

public static Iterable<Vector> getVectorsFromVectorWritableIterable(Iterable<VectorWritable> dirIterable)

Converts VectorWritable values in a sequence file into Vectors lazily.

Parameters:

dirIterable - the source iterable (comes from a SequenceFileDirIterable).

Returns:

an Iterable with the converted vectors.