Package 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 shift-reduce parser event streams. The particular event type is specified at construction.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	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 Details

ParserEventStream

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

Instantiates a ParserEventStream based on the specified data stream of the type using head rules.

Parameters:

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

rules - The head rules to use.

etype - The type of events desired.

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

See Also:

• ParserEventTypeEnum

ParserEventStream

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

Instantiates a ParserEventStream based on the specified data stream of the type using head rules.

Parameters:

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

rules - The head rules to use.

etype - The type of events desired.

See Also:

• ParserEventTypeEnum

Method Details

reduceChunks

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