edu.stanford.nlp.ling
Class Tag

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

All Implemented Interfaces:

HasTag, Label, Serializable, Comparable<ValueLabel>

public class Tag
extends StringLabel
implements HasTag

A Tag object acts as a Label by containing a String that is a part-of-speech tag.

Author:

Christopher Manning

See Also:

Serialized Form

Constructor Summary

Tag()
Constructs a Tag object.

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

Tag(String tag)
Constructs a Tag object.

Method Summary

static LabelFactory	factory() Return a factory for this kind of label (i.e., Tag).
LabelFactory	labelFactory() Return a factory for this kind of label (i.e., Tag).
void	setTag(String tag) Set the tag value for the label (if one is stored).
String	tag() Return the tag 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

Constructor Detail

Tag

public Tag()

Constructs a Tag object.

Tag

public Tag(String tag)

Constructs a Tag object.

Parameters:

tag - The tag name

Tag

public Tag(Label lab)

Creates a new tag whose tag 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 Tag

Method Detail

tag

public String tag()

Description copied from interface: HasTag

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

Specified by:

tag in interface HasTag

Returns:

String the tag value for the label

setTag

public void setTag(String tag)

Description copied from interface: HasTag

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

Specified by:

setTag in interface HasTag

Parameters:

tag - The tag value for the label

labelFactory

public LabelFactory labelFactory()

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

Returns:

The label factory