LabelFilterProcessor (Carrot2, Public Java API v4.0.0 (org.carrot2:core))

java.lang.Object
- org.carrot2.attrs.AttrComposite
- - org.carrot2.text.preprocessing.LabelFilterProcessor

All Implemented Interfaces:

AcceptingVisitor
```
public class LabelFilterProcessor
extends AttrComposite
```
Applies basic filtering to words and phrases to produce candidates for cluster labels. Filtering is applied to PreprocessingContext.AllWords and PreprocessingContext.AllPhrases, the results are saved to PreprocessingContext.AllLabels. Currently, the following filters are applied:
1. StopWordLabelFilter
2. CompleteLabelFilter
This class saves the following results to the PreprocessingContext:
- PreprocessingContext.AllLabels.featureIndex
This class requires that InputTokenizer, CaseNormalizer, StopListMarker and PhraseExtractor be invoked first.

Field Summary

Fields
Modifier and Type	Field	Description
`CompleteLabelFilter`	`completeLabelFilter`	Truncated phrase filter for this processor.
`GenitiveLabelFilter`	`genitiveLabelFilter`	Genitive length label filter.
`MinLengthLabelFilter`	`minLengthLabelFilter`	Min length label filter.
`NumericLabelFilter`	`numericLabelFilter`	Numeric label filter for this processor.
`QueryLabelFilter`	`queryLabelFilter`	Query word label filter for this processor.
`StopLabelFilter`	`stopLabelFilter`	Stop label filter.
`StopWordLabelFilter`	`stopWordLabelFilter`	Stop word label filter for this processor.

Fields inherited from class org.carrot2.attrs.AttrComposite
attributes

Constructor Summary

Constructors
Constructor Description

LabelFilterProcessor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

void process(PreprocessingContext context)
Processes all filters declared as fields of this class.
- Methods inherited from class org.carrot2.attrs.AttrComposite
  accept
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - queryLabelFilter
```
public QueryLabelFilter queryLabelFilter
```
    Query word label filter for this processor.
  - stopWordLabelFilter
```
public StopWordLabelFilter stopWordLabelFilter
```
    Stop word label filter for this processor.
  - stopLabelFilter
```
public StopLabelFilter stopLabelFilter
```
    Stop label filter.
  - numericLabelFilter
```
public NumericLabelFilter numericLabelFilter
```
    Numeric label filter for this processor.
  - completeLabelFilter
```
public CompleteLabelFilter completeLabelFilter
```
    Truncated phrase filter for this processor.
  - minLengthLabelFilter
```
public MinLengthLabelFilter minLengthLabelFilter
```
    Min length label filter.
  - genitiveLabelFilter
```
public GenitiveLabelFilter genitiveLabelFilter
```
    Genitive length label filter.
- Constructor Detail
  - LabelFilterProcessor
```
public LabelFilterProcessor()
```
- Method Detail
  - process
```
public void process(PreprocessingContext context)
```
    Processes all filters declared as fields of this class.