edu.stanford.nlp.semgraph

Class SemanticGraphEdge

java.lang.Object

edu.stanford.nlp.semgraph.SemanticGraphEdge

All Implemented Interfaces:

Serializable, Comparable<SemanticGraphEdge>

public class SemanticGraphEdge
extends Object
implements Comparable<SemanticGraphEdge>, Serializable

Represents an edge in the dependency graph. Equal only if source, target, and relation are equal.

Author:

Christopher Cox, Teg Grenager

See Also:

SemanticGraph, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	printOnlyRelation

Constructor Summary

Constructors

Constructor and Description
SemanticGraphEdge(IndexedWord source, IndexedWord target, GrammaticalRelation relation, double weight, boolean isExtra)
SemanticGraphEdge(SemanticGraphEdge e)

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(SemanticGraphEdge other) Compares SemanticGraphEdges.
boolean	equals(Object o)
IndexedWord	getDependent()
IndexedWord	getGovernor()
GrammaticalRelation	getRelation()
IndexedWord	getSource()
IndexedWord	getTarget()
double	getWeight()
int	hashCode()
boolean	isExtra()
static Comparator<SemanticGraphEdge>	orderByTargetComparator()
String	toString()
boolean	typeEquals(SemanticGraphEdge e)

Methods inherited from class java.lang.Object

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

Field Detail

printOnlyRelation

public static boolean printOnlyRelation

Constructor Detail

SemanticGraphEdge

public SemanticGraphEdge(IndexedWord source,
                 IndexedWord target,
                 GrammaticalRelation relation,
                 double weight,
                 boolean isExtra)

Parameters:

source - The source IndexedWord for this edge

target - The target IndexedWord for this edge

relation - The relation between the two words represented by this edge

weight - A score or weight to attach to the edge (not often used)

isExtra - Whether or not the dependency this edge represents was "extra"

SemanticGraphEdge

public SemanticGraphEdge(SemanticGraphEdge e)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

getRelation

public GrammaticalRelation getRelation()

getSource

public IndexedWord getSource()

getGovernor

public IndexedWord getGovernor()

getTarget

public IndexedWord getTarget()

getDependent

public IndexedWord getDependent()

getWeight

public double getWeight()

isExtra

public boolean isExtra()

typeEquals

public boolean typeEquals(SemanticGraphEdge e)

Returns:

true if the edges are of the same relation type

orderByTargetComparator

public static Comparator<SemanticGraphEdge> orderByTargetComparator()

compareTo

public int compareTo(SemanticGraphEdge other)

Compares SemanticGraphEdges. Warning: compares on the sources, targets, and then the STRINGS of the relations.

Specified by:

compareTo in interface Comparable<SemanticGraphEdge>

Parameters:

other - Edge to compare to

Returns:

Whether this is smaller, same, or larger

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object