org.maltparser.core.lw.graph

Class LWEdge

java.lang.Object

org.maltparser.core.lw.graph.LWEdge

All Implemented Interfaces:

java.lang.Comparable<LWEdge>, Edge, Element

public final class LWEdge
extends java.lang.Object
implements Edge, java.lang.Comparable<LWEdge>

A lightweight version of org.maltparser.core.syntaxgraph.edge.GraphEdge.

Author:

Johan Hall

Field Summary

Fields inherited from interface org.maltparser.core.syntaxgraph.edge.Edge

DEPENDENCY_EDGE, PHRASE_STRUCTURE_EDGE, SECONDARY_EDGE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LWEdge(LWEdge edge)
protected	LWEdge(Node _source, Node _target)
protected	LWEdge(Node _source, Node _target, java.util.SortedMap<org.maltparser.concurrent.graph.dataformat.ColumnDescription,java.lang.String> _labels)

Method Summary

Modifier and Type	Method and Description
void	addLabel(LabelSet labelSet) Adds the labels of the label set to the label set of the graph element.
void	addLabel(SymbolTable table, int code) Adds a label (an integer value) to the symbol table and to the graph element.
void	addLabel(SymbolTable table, java.lang.String symbol) Adds a label (a string value) to the symbol table and to the graph element.
void	clear() Resets the graph element.
int	compareTo(LWEdge that)
boolean	equals(java.lang.Object obj)
LabeledStructure	getBelongsToGraph() Returns the graph (structure) in which the graph element belongs to.
java.lang.String	getLabel(org.maltparser.concurrent.graph.dataformat.ColumnDescription column)
int	getLabelCode(SymbolTable table) Returns the label code (an integer representation) of the symbol table if it exists, otherwise an exception is thrown.
LabelSet	getLabelSet() Returns the label set.
java.lang.String	getLabelSymbol(SymbolTable table) Returns the label symbol(a string representation) of the symbol table if it exists, otherwise an exception is thrown.
java.util.Set<SymbolTable>	getLabelTypes() Returns a set of symbol tables (labeling functions or label types) that labels the graph element.
Node	getSource() Returns the source node of the edge.
Node	getTarget() Returns the target node of the edge.
int	getType() Returns the edge type (DEPENDENCY_EDGE, PHRASE_STRUCTURE_EDGE or SECONDARY_EDGE).
int	hashCode()
boolean	hasLabel(SymbolTable table) Returns true if the graph element has a label for the symbol table, otherwise false.
boolean	isLabeled() Returns true if the graph element has one or more labels, otherwise false.
int	nLabels() Returns the number of labels of the graph element.
void	removeLabel(SymbolTable table)
void	removeLabels()
void	setBelongsToGraph(LabeledStructure belongsToGraph) Sets the graph (structure) in which the graph element belongs to.
void	setEdge(Node source, Node target, int type) Sets the edge with a source node, a target node and a type (DEPENDENCY_EDGE, PHRASE_STRUCTURE_EDGE or SECONDARY_EDGE).
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

LWEdge

protected LWEdge(LWEdge edge)
          throws LWGraphException

Throws:

LWGraphException

LWEdge

protected LWEdge(Node _source,
                 Node _target,
                 java.util.SortedMap<org.maltparser.concurrent.graph.dataformat.ColumnDescription,java.lang.String> _labels)
          throws MaltChainedException

Throws:

MaltChainedException

LWEdge

protected LWEdge(Node _source,
                 Node _target)
          throws MaltChainedException

Throws:

MaltChainedException

Method Detail

getSource

public Node getSource()

Description copied from interface: Edge

Returns the source node of the edge.

Specified by:

getSource in interface Edge

Returns:

the source node of the edge.

getTarget

public Node getTarget()

Description copied from interface: Edge

Returns the target node of the edge.

Specified by:

getTarget in interface Edge

Returns:

the target node of the edge.

getLabel

public java.lang.String getLabel(org.maltparser.concurrent.graph.dataformat.ColumnDescription column)

nLabels

public int nLabels()

Description copied from interface: Element

Returns the number of labels of the graph element.

Specified by:

nLabels in interface Element

Returns:

the number of labels of the graph element.

isLabeled

public boolean isLabeled()

Description copied from interface: Element

Returns true if the graph element has one or more labels, otherwise false.

Specified by:

isLabeled in interface Element

Returns:

true if the graph element has one or more labels, otherwise false.

setEdge

public void setEdge(Node source,
                    Node target,
                    int type)
             throws MaltChainedException

Description copied from interface: Edge

Sets the edge with a source node, a target node and a type (DEPENDENCY_EDGE, PHRASE_STRUCTURE_EDGE or SECONDARY_EDGE).

Specified by:

setEdge in interface Edge

Parameters:

source - a source node

target - a target node

type - a type (DEPENDENCY_EDGE, PHRASE_STRUCTURE_EDGE or SECONDARY_EDGE)

Throws:

MaltChainedException

getType

public int getType()

Description copied from interface: Edge

Returns the edge type (DEPENDENCY_EDGE, PHRASE_STRUCTURE_EDGE or SECONDARY_EDGE).

Specified by:

getType in interface Edge

Returns:

the edge type (DEPENDENCY_EDGE, PHRASE_STRUCTURE_EDGE or SECONDARY_EDGE).

addLabel

public void addLabel(SymbolTable table,
                     java.lang.String symbol)
              throws MaltChainedException

Adds a label (a string value) to the symbol table and to the graph element.

Specified by:

addLabel in interface Element

Parameters:

table - the symbol table

symbol - a label symbol

Throws:

MaltChainedException

addLabel

public void addLabel(SymbolTable table,
                     int code)
              throws MaltChainedException

Adds a label (an integer value) to the symbol table and to the graph element.

Specified by:

addLabel in interface Element

Parameters:

table - the symbol table

code - a label code

Throws:

MaltChainedException

addLabel

public void addLabel(LabelSet labelSet)
              throws MaltChainedException

Adds the labels of the label set to the label set of the graph element.

Specified by:

addLabel in interface Element

Parameters:

labelSet - a label set.

Throws:

MaltChainedException

hasLabel

public boolean hasLabel(SymbolTable table)
                 throws MaltChainedException

Returns true if the graph element has a label for the symbol table, otherwise false.

Specified by:

hasLabel in interface Element

Parameters:

table - the symbol table

Returns:

true if the graph element has a label for the symbol table, otherwise false.

Throws:

MaltChainedException

getLabelSymbol

public java.lang.String getLabelSymbol(SymbolTable table)
                                throws MaltChainedException

Returns the label symbol(a string representation) of the symbol table if it exists, otherwise an exception is thrown.

Specified by:

getLabelSymbol in interface Element

Parameters:

table - the symbol table

Returns:

the label (a string representation) of the symbol table if it exists.

Throws:

MaltChainedException

getLabelCode

public int getLabelCode(SymbolTable table)
                 throws MaltChainedException

Returns the label code (an integer representation) of the symbol table if it exists, otherwise an exception is thrown.

Specified by:

getLabelCode in interface Element

Parameters:

table - the symbol table

Returns:

the label code (an integer representation) of the symbol table if it exists

Throws:

MaltChainedException

getLabelTypes

public java.util.Set<SymbolTable> getLabelTypes()

Returns a set of symbol tables (labeling functions or label types) that labels the graph element.

Specified by:

getLabelTypes in interface Element

Returns:

a set of symbol tables (labeling functions or label types)

getLabelSet

public LabelSet getLabelSet()

Returns the label set.

Specified by:

getLabelSet in interface Element

Returns:

the label set.

removeLabel

public void removeLabel(SymbolTable table)
                 throws MaltChainedException

Specified by:

removeLabel in interface Element

Throws:

MaltChainedException

removeLabels

public void removeLabels()
                  throws MaltChainedException

Specified by:

removeLabels in interface Element

Throws:

MaltChainedException

getBelongsToGraph

public LabeledStructure getBelongsToGraph()

Returns the graph (structure) in which the graph element belongs to.

Specified by:

getBelongsToGraph in interface Element

Returns:

the graph (structure) in which the graph element belongs to.

setBelongsToGraph

public void setBelongsToGraph(LabeledStructure belongsToGraph)

Description copied from interface: Element

Sets the graph (structure) in which the graph element belongs to.

Specified by:

setBelongsToGraph in interface Element

Parameters:

belongsToGraph - a graph (structure).

clear

public void clear()
           throws MaltChainedException

Resets the graph element.

Specified by:

clear in interface Element

Throws:

MaltChainedException

compareTo

public int compareTo(LWEdge that)

Specified by:

compareTo in interface java.lang.Comparable<LWEdge>

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object