Package opennlp.tools.util.featuregen

Class InSpanGenerator

java.lang.Object

opennlp.tools.util.featuregen.InSpanGenerator

All Implemented Interfaces:

AdaptiveFeatureGenerator

public class InSpanGenerator
extends Object
implements AdaptiveFeatureGenerator

Generates features if the tokens are recognized by the provided TokenNameFinder.

See Also:

• AdaptiveFeatureGenerator
• TokenNameFinder
• Span

Constructor Summary

Constructors

Constructor	Description
InSpanGenerator(String prefix, TokenNameFinder finder)	Initializes a InSpanGenerator instance.

Method Summary

Modifier and Type	Method	Description
void	createFeatures(List<String> features, String[] tokens, int index, String[] preds)	Adds the appropriate features for the token at the specified index with the specified array of previousOutcomes to the specified list of features.

Methods inherited from class java.lang.Object

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

Methods inherited from interface opennlp.tools.util.featuregen.AdaptiveFeatureGenerator

clearAdaptiveData, updateAdaptiveData

Constructor Details

InSpanGenerator

public InSpanGenerator(String prefix,
 TokenNameFinder finder)

Initializes a InSpanGenerator instance.

Parameters:

prefix - The prefix is used to distinguish the generated features from features generated by other instances of InSpanGenerator. Must not be null.

finder - The TokenNameFinder used to detect the names. Must not be null.

Method Details

createFeatures

public void createFeatures(List<String> features,
 String[] tokens,
 int index,
 String[] preds)

Description copied from interface: AdaptiveFeatureGenerator

Adds the appropriate features for the token at the specified index with the specified array of previousOutcomes to the specified list of features.

Specified by:

createFeatures in interface AdaptiveFeatureGenerator

Parameters:

features - The list of features to be added to.

tokens - The tokens of the sentence or other text unit being processed.

index - The index of the token which is currently being processed.

preds - The outcomes for the tokens prior to the specified index.