edu.stanford.nlp.ling
Class Word

java.lang.Object
  edu.stanford.nlp.ling.ValueLabel
      edu.stanford.nlp.ling.StringLabel
          edu.stanford.nlp.ling.Word

All Implemented Interfaces:

HasWord, Label, Serializable, Comparable<ValueLabel>

Direct Known Subclasses:

TaggedWord

public class Word
extends StringLabel
implements HasWord

A Word object acts as a Label by containing a String. This class is in essence identical to a StringLabel, but it also uses the value to implement the HasWord interface.

Author:

Christopher Manning

See Also:

Serialized Form

Field Summary

static Word	EMPTY Word representation of an empty.
static String	EMPTYSTRING String representation of an empty.

Constructor Summary

Word()
Construct a new word with a null value.

Word(Label lab)
Creates a new word whose word value is the value of any class that supports the Label interface.

Word(String word)
Construct a new word, with the given value.

Method Summary

static LabelFactory	factory() Return a factory for this kind of label.
LabelFactory	labelFactory() Return a factory for this kind of label (i.e., Word).
void	setWord(String word) Set the word value for the label (if one is stored).
String	word() Return the word value of the label (or null if none).

Methods inherited from class edu.stanford.nlp.ling.StringLabel

setFromString, setValue, value

Methods inherited from class edu.stanford.nlp.ling.ValueLabel

compareTo, equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Field Detail

EMPTYSTRING

public static final String EMPTYSTRING

String representation of an empty.

See Also:

Constant Field Values

EMPTY

public static final Word EMPTY

Word representation of an empty.

Constructor Detail

Word

public Word()

Construct a new word with a null value.

Word

public Word(String word)

Construct a new word, with the given value.

Parameters:

word - String value of the Word

Word

public Word(Label lab)

Creates a new word whose word value is the value of any class that supports the Label interface.

Parameters:

lab - The label to be used as the basis of the new Word

Method Detail

word

public String word()

Description copied from interface: HasWord

Return the word value of the label (or null if none).

Specified by:

word in interface HasWord

Returns:

String the word value for the label

setWord

public void setWord(String word)

Description copied from interface: HasWord

Set the word value for the label (if one is stored).

Specified by:

setWord in interface HasWord

Parameters:

word - The word value for the label

labelFactory

public LabelFactory labelFactory()

Return a factory for this kind of label (i.e., Word). The factory returned is always the same one (a singleton).

Specified by:

labelFactory in interface Label

Overrides:

labelFactory in class StringLabel

Returns:

The label factory

factory

public static LabelFactory factory()

Return a factory for this kind of label.

Returns:

The label factory