BagOfWordsFeatureGenerator (Apache OpenNLP Tools 2.1.1 API)

java.lang.Object
- opennlp.tools.doccat.BagOfWordsFeatureGenerator

All Implemented Interfaces:

FeatureGenerator
```
public class BagOfWordsFeatureGenerator
extends Object
implements FeatureGenerator
```
Generates a feature for each word in a document.

Constructor Summary

Constructors
Constructor Description

BagOfWordsFeatureGenerator()
Instantiates a default BagOfWordsFeatureGenerator instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Collection<String>`	`extractFeatures(String[] text, Map<String,Object> extraInformation)`	Extracts features from given `text` fragments.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - BagOfWordsFeatureGenerator
```
public BagOfWordsFeatureGenerator()
```
    Instantiates a default BagOfWordsFeatureGenerator instance.
- Method Detail
  - extractFeatures
```
public Collection<String> extractFeatures(String[] text,
                                          Map<String,Object> extraInformation)
```
    Description copied from interface: FeatureGenerator
    
    Extracts features from given text fragments.
    
    Specified by:
    
    extractFeatures in interface FeatureGenerator
    
    Parameters:
    
    text - The text fragments to extract features from
    
    extraInformation - Optional extra information to be used by the FeatureGenerator.
    
    Returns:
    
    A collection of features.