eus.ixa.ixa.pipe.ml.parse

Class AbstractParserEventStream

java.lang.Object

opennlp.tools.util.AbstractEventStream<Parse>

eus.ixa.ixa.pipe.ml.parse.AbstractParserEventStream

All Implemented Interfaces:

AutoCloseable, opennlp.tools.util.ObjectStream<opennlp.tools.ml.model.Event>

public abstract class AbstractParserEventStream
extends opennlp.tools.util.AbstractEventStream<Parse>

Abstract class extended by parser event streams which perform tagging and chunking.

Field Summary

Fields

Modifier and Type	Field and Description
protected opennlp.tools.dictionary.Dictionary	dict
protected opennlp.tools.parser.ParserEventTypeEnum	etype The type of events being generated by this event stream.
protected boolean	fixPossesives
protected Set<String>	punctSet
protected HeadRules	rules

Constructor Summary

Constructors

Constructor and Description
AbstractParserEventStream(opennlp.tools.util.ObjectStream<Parse> dataStream, HeadRules rules, opennlp.tools.parser.ParserEventTypeEnum etype)

Method Summary

Modifier and Type	Method and Description
protected abstract void	addParseEvents(List<opennlp.tools.ml.model.Event> newEvents, Parse[] chunks) Produces all events for the specified sentence chunks and adds them to the specified list.
protected Iterator<opennlp.tools.ml.model.Event>	createEvents(Parse sample)
static Parse[]	getInitialChunks(Parse p)
protected void	init()
protected boolean	lastChild(Parse child, Parse parent) Returns true if the specified child is the last child of the specified parent.

Methods inherited from class opennlp.tools.util.AbstractEventStream

close, read, reset

Methods inherited from class java.lang.Object

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

Field Detail

rules

protected HeadRules rules

punctSet

protected Set<String> punctSet

etype

protected opennlp.tools.parser.ParserEventTypeEnum etype

The type of events being generated by this event stream.

fixPossesives

protected boolean fixPossesives

dict

protected opennlp.tools.dictionary.Dictionary dict

Constructor Detail

AbstractParserEventStream

public AbstractParserEventStream(opennlp.tools.util.ObjectStream<Parse> dataStream,
                                 HeadRules rules,
                                 opennlp.tools.parser.ParserEventTypeEnum etype)

Method Detail

createEvents

protected Iterator<opennlp.tools.ml.model.Event> createEvents(Parse sample)

Specified by:

createEvents in class opennlp.tools.util.AbstractEventStream<Parse>

init

protected void init()

getInitialChunks

public static Parse[] getInitialChunks(Parse p)

addParseEvents

protected abstract void addParseEvents(List<opennlp.tools.ml.model.Event> newEvents,
                                       Parse[] chunks)

Produces all events for the specified sentence chunks and adds them to the specified list.

Parameters:

newEvents - A list of events to be added to.

chunks - Pre-chunked constituents of a sentence.

lastChild

protected boolean lastChild(Parse child,
                            Parse parent)

Returns true if the specified child is the last child of the specified parent.

Parameters:

child - The child parse.

parent - The parent parse.

Returns:

true if the specified child is the last child of the specified parent; false otherwise.