opennlp.tools.parser.chunking

Class ParserEventStream

java.lang.Object

opennlp.tools.util.AbstractEventStream<Parse>

opennlp.tools.parser.AbstractParserEventStream

opennlp.tools.parser.chunking.ParserEventStream

All Implemented Interfaces:

AutoCloseable, ObjectStream<Event>

public class ParserEventStream
extends AbstractParserEventStream

Wrapper class for one of four parser event streams. The particular event stream is specified at construction.

Constructor Summary

Constructors

Constructor and Description
ParserEventStream(ObjectStream<Parse> d, HeadRules rules, ParserEventTypeEnum etype)
ParserEventStream(ObjectStream<Parse> d, HeadRules rules, ParserEventTypeEnum etype, Dictionary dict) Create an event stream based on the specified data stream of the specified type using the specified head rules.

Method Summary

Modifier and Type	Method and Description
static Parse[]	reduceChunks(Parse[] chunks, int ci, Parse parent)

Methods inherited from class opennlp.tools.parser.AbstractParserEventStream

getInitialChunks

Methods inherited from class opennlp.tools.util.AbstractEventStream

close, read, reset

Methods inherited from class java.lang.Object

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

Constructor Detail

ParserEventStream

public ParserEventStream(ObjectStream<Parse> d,
                         HeadRules rules,
                         ParserEventTypeEnum etype,
                         Dictionary dict)

Create an event stream based on the specified data stream of the specified type using the specified head rules.

Parameters:

d - A 1-parse-per-line Penn Treebank Style parse.

rules - The head rules.

etype - The type of events desired (tag, chunk, build, or check).

dict - A tri-gram dictionary to reduce feature generation.

ParserEventStream

public ParserEventStream(ObjectStream<Parse> d,
                         HeadRules rules,
                         ParserEventTypeEnum etype)

Method Detail

reduceChunks

public static Parse[] reduceChunks(Parse[] chunks,
                                   int ci,
                                   Parse parent)