se.lth.cs.nlp.nlputils.annotations
Class Span

java.lang.Object
  se.lth.cs.nlp.nlputils.annotations.Span

public class Span
extends Object

A span, that is a contiguous piece of text.

Author:

Richard Johansson (richard@cs.lth.se)

Field Summary

int	end The end of the span, exclusive.
String	id
String	label
static Comparator<Span>	NESTING_ORDER A comparator that can be used to sort span according to nesting order.
HashMap<String,Object>	properties Properties.
int	start The start of the span, inclusive.
int	tokenEnd The end of the span as counted in tokens, exclusive.
int	tokenStart The start of the span as counted in tokens, inclusive.

Constructor Summary

Span()

Method Summary

boolean	matches(Span other) Returns true if this span has the same start and end and the same label as the other span.
boolean	matchesPartially(Span other) Returns true if this span overlaps and has the same label as the other span.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

label

public String label

id

public String id

start

public int start

The start of the span, inclusive.

end

public int end

The end of the span, exclusive.

tokenStart

public int tokenStart

The start of the span as counted in tokens, inclusive.

tokenEnd

public int tokenEnd

The end of the span as counted in tokens, exclusive.

properties

public HashMap<String,Object> properties

Properties.

NESTING_ORDER

public static final Comparator<Span> NESTING_ORDER

A comparator that can be used to sort span according to nesting order. Throws a RuntimeException if the spans cannot be nested.

Constructor Detail

Span

public Span()

Method Detail

matches

public boolean matches(Span other)

Returns true if this span has the same start and end and the same label as the other span.

Parameters:

other - the span to compare this span to.

Returns:

true if they match.

matchesPartially

public boolean matchesPartially(Span other)

Returns true if this span overlaps and has the same label as the other span.

Parameters:

other - the span to compare this span to.

Returns:

true if they overlap and have the same label.

toString

public String toString()

Overrides:

toString in class Object