DataStream (Apache OpenNLP Tools 1.9.1 API)

```
public interface DataStream
```
A interface for objects which can deliver a stream of training data to be supplied to an EventStream. It is not necessary to use a DataStream in a Maxent application, but it can be used to support a wider variety of formats in which your training data can be held.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`boolean`	`hasNext()` Test whether there are any Events remaining in this EventStream.
`Object`	`nextToken()` Returns the next slice of data held in this DataStream.

Interface DataStream