org.maltparser.core.syntaxgraph

Class GraphElement

java.lang.Object

java.util.Observable

org.maltparser.core.syntaxgraph.GraphElement

All Implemented Interfaces:

Element

Direct Known Subclasses:

GraphEdge, GraphNode

public abstract class GraphElement
extends java.util.Observable
implements Element

Author:

Johan Hall

Constructor Summary

Constructors

Constructor and Description
GraphElement()

Method Summary

Modifier and Type	Method and Description
void	addLabel(LabelSet labels) 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(GraphElement o)
boolean	equals(java.lang.Object obj)
LabeledStructure	getBelongsToGraph() Returns the graph (structure) in which the graph element belongs to.
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.
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.
java.lang.String	toString()

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphElement

public GraphElement()

Method Detail

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 labels)
              throws MaltChainedException

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

Specified by:

addLabel in interface Element

Parameters:

labels - 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

isLabeled

public boolean isLabeled()

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.

nLabels

public int nLabels()

Returns the number of labels of the graph element.

Specified by:

nLabels in interface Element

Returns:

the number of labels of the graph element.

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)

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

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

compareTo

public int compareTo(GraphElement o)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object