Package elki.datasource.filter.selection

Class ByLabelFilter

java.lang.Object

elki.datasource.filter.AbstractStreamFilter

elki.datasource.filter.selection.ByLabelFilter

All Implemented Interfaces:

elki.datasource.bundle.BundleStreamSource, elki.datasource.filter.ObjectFilter, elki.datasource.filter.StreamFilter

public class ByLabelFilter
extends AbstractStreamFilter

A filter to select data set by their label.

Since:

0.4.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ByLabelFilter.Par	Parameterization class.

Nested classes/interfaces inherited from interface elki.datasource.bundle.BundleStreamSource

elki.datasource.bundle.BundleStreamSource.Event

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	inverted	Inversion flag
private int	lblcol	Label column
private static elki.logging.Logging	LOG	Class logger
private java.util.regex.Matcher	matcher	The filter pattern matcher

Fields inherited from class elki.datasource.filter.AbstractStreamFilter

source

Constructor Summary

Constructors

Constructor	Description
ByLabelFilter(java.util.regex.Pattern pattern, boolean inverted)	Constructor.

Method Summary

Modifier and Type	Method	Description
java.lang.Object	data(int rnum)
elki.datasource.bundle.BundleMeta	getMeta()
elki.datasource.bundle.BundleStreamSource.Event	nextEvent()

Methods inherited from class elki.datasource.filter.AbstractStreamFilter

asMultipleObjectsBundle, assignDBID, filter, hasDBIDs, init, toString

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final elki.logging.Logging LOG

Class logger

matcher

private final java.util.regex.Matcher matcher

The filter pattern matcher

inverted

private final boolean inverted

Inversion flag

lblcol

private int lblcol

Label column

Constructor Detail

ByLabelFilter

public ByLabelFilter(java.util.regex.Pattern pattern,
                     boolean inverted)

Constructor.

Parameters:

pattern - Filter pattern

inverted - Inversion flag

Method Detail

getMeta

public elki.datasource.bundle.BundleMeta getMeta()

data

public java.lang.Object data(int rnum)

nextEvent

public elki.datasource.bundle.BundleStreamSource.Event nextEvent()