Uses of Class opennlp.tools.util.AbstractEventStream (Apache OpenNLP Tools 1.9.5 API)
Date: 2026-06-18

## Uses of Class
opennlp.tools.util.AbstractEventStream

- Packages that use AbstractEventStream
  Package | Description
  --- | ---
  opennlp.tools.chunker | Package related to finding non-recursive syntactic annotation such as noun phrase chunks.
  opennlp.tools.doccat | Package for classifying a document into a category.
  opennlp.tools.langdetect |
  opennlp.tools.lemmatizer | Package related with the lemmatizer tool
  opennlp.tools.namefind | Package related to finding proper names and numeric amounts.
  opennlp.tools.parser | Package containing common code for performing full syntactic parsing.
  opennlp.tools.parser.chunking | Package containing code for performing full syntactic parsing using shift/reduce-style decisions.
  opennlp.tools.postag | Package related to part-of-speech tagging.
  opennlp.tools.sentdetect | Package related to identifying sentece boundries.
  opennlp.tools.tokenize | Contains classes related to finding token or words in a string.

- - ### Uses of AbstractEventStream in opennlp.tools.chunker

    Subclasses of AbstractEventStream in opennlp.tools.chunker
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ChunkerEventStream` Class for creating an event stream out of data files for training a chunker.

  - ### Uses of AbstractEventStream in opennlp.tools.doccat

    Subclasses of AbstractEventStream in opennlp.tools.doccat
    Modifier and Type | Class and Description
    --- | ---
    `class` | `DocumentCategorizerEventStream` Iterator-like class for modeling document classification events.

  - ### Uses of AbstractEventStream in opennlp.tools.langdetect

    Subclasses of AbstractEventStream in opennlp.tools.langdetect
    Modifier and Type | Class and Description
    --- | ---
    `class` | `LanguageDetectorEventStream` Iterator-like class for modeling language detector events.

  - ### Uses of AbstractEventStream in opennlp.tools.lemmatizer

    Subclasses of AbstractEventStream in opennlp.tools.lemmatizer
    Modifier and Type | Class and Description
    --- | ---
    `class` | `LemmaSampleEventStream` Class for creating an event stream out of data files for training a probabilistic lemmatizer.

  - ### Uses of AbstractEventStream in opennlp.tools.namefind

    Subclasses of AbstractEventStream in opennlp.tools.namefind
    Modifier and Type | Class and Description
    --- | ---
    `class` | `NameFinderEventStream` Class for creating an event stream out of data files for training an name finder.

  - ### Uses of AbstractEventStream in opennlp.tools.parser

    Subclasses of AbstractEventStream in opennlp.tools.parser
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AbstractParserEventStream` Abstract class extended by parser event streams which perform tagging and chunking.

  - ### Uses of AbstractEventStream in opennlp.tools.parser.chunking

    Subclasses of AbstractEventStream in opennlp.tools.parser.chunking
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ParserEventStream` Wrapper class for one of four parser event streams.

  - ### Uses of AbstractEventStream in opennlp.tools.postag

    Subclasses of AbstractEventStream in opennlp.tools.postag
    Modifier and Type | Class and Description
    --- | ---
    `class` | `POSSampleEventStream` This class reads the `POSSample`s from the given `Iterator` and converts the `POSSample`s into `Event`s which can be used by the maxent library for training.

  - ### Uses of AbstractEventStream in opennlp.tools.sentdetect

    Subclasses of AbstractEventStream in opennlp.tools.sentdetect
    Modifier and Type | Class and Description
    --- | ---
    `class` | `SDEventStream`

  - ### Uses of AbstractEventStream in opennlp.tools.tokenize

    Subclasses of AbstractEventStream in opennlp.tools.tokenize
    Modifier and Type | Class and Description
    --- | ---
    `class` | `TokSpanEventStream` This class reads the `TokenSample`s from the given `Iterator` and converts the `TokenSample`s into `Event`s which can be used by the maxent library for training.

Copyright © 2026 The Apache Software Foundation. All rights reserved.