Package elki.datasource.filter.typeconversions

Class ClassLabelFromPatternFilter

java.lang.Object

elki.datasource.filter.AbstractStreamFilter

elki.datasource.filter.typeconversions.ClassLabelFromPatternFilter

All Implemented Interfaces:

BundleStreamSource, ObjectFilter, StreamFilter

public class ClassLabelFromPatternFilter
extends AbstractStreamFilter

Streaming filter to derive an outlier class label.

Since:

0.6.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

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

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

BundleStreamSource.Event

Field Summary

Fields

Modifier and Type	Field	Description
(package private) it.unimi.dsi.fastutil.ints.IntArrayList	labelcols	Bitset of label columns
(package private) BundleMeta	meta	Current meta data
(package private) SimpleClassLabel	negative	Label to return for negative matches.
(package private) java.util.regex.Pattern	pattern	Matching pattern.
(package private) SimpleClassLabel	positive	Label to return for positive matches.

Fields inherited from class elki.datasource.filter.AbstractStreamFilter

source

Constructor Summary

Constructors

Constructor	Description
ClassLabelFromPatternFilter(java.util.regex.Pattern pattern, SimpleClassLabel positive, SimpleClassLabel negative)	Constructor.
ClassLabelFromPatternFilter(java.util.regex.Pattern pattern, java.lang.String positive, java.lang.String negative)	Constructor.

Method Summary

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

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

meta

BundleMeta meta

Current meta data

labelcols

it.unimi.dsi.fastutil.ints.IntArrayList labelcols

Bitset of label columns

positive

SimpleClassLabel positive

Label to return for positive matches.

negative

SimpleClassLabel negative

Label to return for negative matches.

pattern

java.util.regex.Pattern pattern

Matching pattern.

Constructor Detail

ClassLabelFromPatternFilter

public ClassLabelFromPatternFilter(java.util.regex.Pattern pattern,
                                   java.lang.String positive,
                                   java.lang.String negative)

Constructor.

Parameters:

pattern - Pattern for matching

positive - Positive label

negative - Negative label

ClassLabelFromPatternFilter

public ClassLabelFromPatternFilter(java.util.regex.Pattern pattern,
                                   SimpleClassLabel positive,
                                   SimpleClassLabel negative)

Constructor.

Parameters:

pattern - Pattern for matching

positive - Positive label

negative - Negative label

Method Detail

getMeta

public BundleMeta getMeta()

Description copied from interface: BundleStreamSource

Get the current meta data.

Returns:

Metadata

data

public java.lang.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