de.lmu.ifi.dbs.elki.datasource.filter.cleaning

Class VectorDimensionalityFilter<V extends NumberVector>

java.lang.Object

de.lmu.ifi.dbs.elki.datasource.filter.AbstractStreamFilter

de.lmu.ifi.dbs.elki.datasource.filter.cleaning.VectorDimensionalityFilter<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

BundleStreamSource, ObjectFilter, StreamFilter

public class VectorDimensionalityFilter<V extends NumberVector>
extends AbstractStreamFilter

Filter to remove all vectors that do not have the desired dimensionality.

Since:

0.7.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VectorDimensionalityFilter.Parameterizer<V extends NumberVector> Parameterization class.

Nested classes/interfaces inherited from interface de.lmu.ifi.dbs.elki.datasource.bundle.BundleStreamSource

BundleStreamSource.Event

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	column The column to filter.
(package private) int	dim Desired dimensionality.
private static Logging	LOG Class logger.
(package private) BundleMeta	meta The filtered meta.

Fields inherited from class de.lmu.ifi.dbs.elki.datasource.filter.AbstractStreamFilter

source

Constructor Summary

Constructors

Constructor and Description
VectorDimensionalityFilter(int dim) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
Object	data(int rnum) Access a particular object and representation.
BundleMeta	getMeta() Get the current meta data.
BundleStreamSource.Event	nextEvent() Get the next event
private void	updateMeta() Update metadata.

Methods inherited from class de.lmu.ifi.dbs.elki.datasource.filter.AbstractStreamFilter

asMultipleObjectsBundle, assignDBID, filter, hasDBIDs, init

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logging LOG

Class logger.

meta

BundleMeta meta

The filtered meta.

column

int column

The column to filter.

dim

int dim

Desired dimensionality.

Constructor Detail

VectorDimensionalityFilter

public VectorDimensionalityFilter(int dim)

Constructor.

Parameters:

dim - Dimensionality to enforce (use -1 to use the dimensionality of the first vector in the data set)

Method Detail

getMeta

public BundleMeta getMeta()

Description copied from interface: BundleStreamSource

Get the current meta data.

Returns:

Metadata

data

public Object data(int rnum)

Description copied from interface: BundleStreamSource

Access a particular object and representation.

Parameters:

rnum - Representation number

Returns:

Contained data

nextEvent

public BundleStreamSource.Event nextEvent()

Description copied from interface: BundleStreamSource

Get the next event

Returns:

Event type

updateMeta

private void updateMeta()

Update metadata.