EventTrainer (Apache OpenNLP Tools 2.2.0 API)

All Superinterfaces:

Trainer

All Known Implementing Classes:

AbstractEventTrainer, GISTrainer, NaiveBayesTrainer, PerceptronTrainer, QNTrainer
```
public interface EventTrainer
extends Trainer
```
A specialized Trainer that is based on an Event approach.

Field Summary

Fields
Modifier and Type Field Description

static String EVENT_VALUE

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`MaxentModel`	`train(DataIndexer indexer)`	Trains a `MaxentModel` for given `events`.
`MaxentModel`	`train(ObjectStream<Event> events)`	Trains a `MaxentModel` for given `events`.

Methods inherited from interface opennlp.tools.commons.Trainer
init

- Field Detail
  - EVENT_VALUE
```
static final String EVENT_VALUE
```
    See Also:
    
    Constant Field Values
- Method Detail
  - train
```
MaxentModel train(ObjectStream<Event> events)
           throws IOException
```
    Trains a MaxentModel for given events.
    
    Parameters:
    
    events - The input events.
    
    Returns:
    
    The trained MaxentModel.
    
    Throws:
    
    IOException - Thrown if IO errors occurred.
  - train
```
MaxentModel train(DataIndexer indexer)
           throws IOException
```
    Trains a MaxentModel for given events.
    
    Parameters:
    
    indexer - The input indexer to use.
    
    Returns:
    
    The trained MaxentModel.
    
    Throws:
    
    IOException - Thrown if IO errors occurred.