Class NT

java.lang.Object

org.episteme.social.linguistics.loaders.tigerxml.GraphNode

org.episteme.social.linguistics.loaders.tigerxml.NT

All Implemented Interfaces:

Serializable, Identified<Identification>

Direct Known Subclasses:

VRoot

public class NT
extends GraphNode

Represents a non-terminal node in a syntax tree.

Non-terminal nodes (NT) represent syntactic units (categories) such as NP (Noun Phrase), VP (Verb Phrase), etc. They contain other nodes (daughters) which can be either terminals (T) or non-terminals (NT).

* @see GraphNode

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

See Also:

• T
• Serialized Form

Field Summary

Fields inherited from class GraphNode

verbosity

Constructor Summary

Constructors

Constructor	Description
NT()	Creates an empty NT node.
NT(Element ntElement, Sentence sent)	Creates an NT node from a DOM element.
NT(Element ntElement, Sentence sent, int verbosity)	Creates an NT node from a DOM element with specified verbosity.

Method Summary

Modifier and Type	Method	Description
void	addDaughter(GraphNode daughter)
void	addSecDaughter(GraphNode daughter)
protected void	buildTreeString(int depth, StringBuilder sb)
List<GraphNode>	getAllDaughters()
List<GraphNode>	getAllDaughtersByLabel(String label)
String	getCat()
List<GraphNode>	getDaughters()	Returns primary daughters sorted by linear precedence.
List<GraphNode>	getDaughtersByLabel(String label)
List<GraphNode>	getSecDaughters()
String	getSpan()	Returns a compact MMAX-style span of all terminal IDs.
List<T>	getTerminals()	Recursively collects all terminal nodes in this subtree.
String	getText()
boolean	isTerminal()
void	print2XML(FileWriter out)
void	setCat(String cat)

Methods inherited from class GraphNode

after, before, dominates, equals, getCorpus, getDescendantsByLabel, getDominatingNodeByCat, getEdge2Mother, getEdge2SecMother, getId, getIndex, getLeftmostTerminal, getMother, getPath, getSecMothers, getSentence, getVerbosity, hashCode, hasMother, hasSecMothers, isDominatedBy, isDominatedBy, setEdge2Mother, setId, setId, setIndex, setMother, setSecMother, setSentence, setVerbosity, toString, toTreeString

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

NT

public NT()

Creates an empty NT node.

NT

public NT(Element ntElement,
 Sentence sent)

Creates an NT node from a DOM element.

Parameters:

ntElement - the DOM element.

sent - the parent sentence.

NT

public NT(Element ntElement,
 Sentence sent,
 int verbosity)

Creates an NT node from a DOM element with specified verbosity.

Method Details

isTerminal

public boolean isTerminal()

Specified by:

isTerminal in class GraphNode

setCat

public void setCat(String cat)

getCat

public String getCat()

getSpan

public String getSpan()

Returns a compact MMAX-style span of all terminal IDs.

Returns:

the span string (e.g., "s1_1..s1_5").

addDaughter

public void addDaughter(GraphNode daughter)

addSecDaughter

public void addSecDaughter(GraphNode daughter)

getDaughters

public List<GraphNode> getDaughters()

Returns primary daughters sorted by linear precedence.

getSecDaughters

public List<GraphNode> getSecDaughters()

getAllDaughters

public List<GraphNode> getAllDaughters()

getTerminals

public List<T> getTerminals()

Recursively collects all terminal nodes in this subtree.

Returns:

list of terminal nodes sorted by precedence.

getText

public String getText()

Specified by:

getText in class GraphNode

getDaughtersByLabel

public List<GraphNode> getDaughtersByLabel(String label)

getAllDaughtersByLabel

public List<GraphNode> getAllDaughtersByLabel(String label)

buildTreeString

protected void buildTreeString(int depth,
 StringBuilder sb)

Specified by:

buildTreeString in class GraphNode

print2XML

public void print2XML(FileWriter out)
               throws IOException

Throws:

IOException