edu.stanford.nlp.ling
Class StringLabel

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

All Implemented Interfaces:

Label, Serializable, Comparable<ValueLabel>

Direct Known Subclasses:

CategoryWordTag, NegraLabel, Tag, Word

public class StringLabel
extends ValueLabel

A StringLabel object acts as a Label by containing a single String, which it sets or returns in response to requests. The hashCode() and compareTo() methods for this class assume that this string value is non-null. equals() is correctly implemented

Author:

Christopher Manning

See Also:

Serialized Form

Constructor Summary

StringLabel()
Create a new StringLabel with a null content (i.e., str).

StringLabel(Label label)
Create a new StringLabel with the value() of another label as its label.

StringLabel(String str)
Create a new StringLabel with the given content.

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., StringLabel).
void	setFromString(String str) Set the label from a String.
void	setValue(String value) Set the value for the label.
String	value() Return the word value of the label (or null if none).

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

Constructor Detail

StringLabel

public StringLabel()

Create a new StringLabel with a null content (i.e., str).

StringLabel

public StringLabel(String str)

Create a new StringLabel with the given content.

Parameters:

str - The new label's content

StringLabel

public StringLabel(Label label)

Create a new StringLabel with the value() of another label as its label.

Parameters:

label - The other label

Method Detail

value

public String value()

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

Specified by:

value in interface Label

Overrides:

value in class ValueLabel

Returns:

String the word value for the label

setValue

public void setValue(String value)

Set the value for the label.

Specified by:

setValue in interface Label

Overrides:

setValue in class ValueLabel

Parameters:

value - The value for the label

setFromString

public void setFromString(String str)

Set the label from a String.

Specified by:

setFromString in interface Label

Overrides:

setFromString in class ValueLabel

Parameters:

str - The str for the label

labelFactory

public LabelFactory labelFactory()

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

Specified by:

labelFactory in interface Label

Specified by:

labelFactory in class ValueLabel

Returns:

The label factory

factory

public static LabelFactory factory()

Return a factory for this kind of label.

Returns:

The label factory