com.aliasi.coref
Class BooleanMatcherAdapter

java.lang.Object
  com.aliasi.coref.BooleanMatcherAdapter

All Implemented Interfaces:

Matcher

Direct Known Subclasses:

EntityTypeMatch, ExactPhraseMatch, SequenceSubstringMatch, SynonymMatch

public abstract class BooleanMatcherAdapter
extends Object
implements Matcher

Provides a means of implementing a Matcher that returns a constant value if a boolean condition is satisifed and the no-match score otherwise. The constructor provides the constant score for a match, and the logic is provided through an implementation of the method matchBoolean(Mention,MentionChain) by a subclass.

Since:

LingPipe1.0

Version:

1.0

Author:

Bob Carpenter

Field Summary

Fields inherited from interface com.aliasi.coref.Matcher

MAX_DISTANCE_SCORE, MAX_SCORE, MAX_SEMANTIC_SCORE, NO_MATCH_SCORE

Constructor Summary

BooleanMatcherAdapter(int score)
Construct a boolean matcher adapter that returns the specified score.

Method Summary

int	match(Mention mention, MentionChain mentionChain) Final implementation of the matching function required by Matcher.
abstract boolean	matchBoolean(Mention mention, MentionChain mentionChain) Returns true if the specified mention matches the specified mention chain.

Methods inherited from class java.lang.Object

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

Constructor Detail

BooleanMatcherAdapter

public BooleanMatcherAdapter(int score)

Construct a boolean matcher adapter that returns the specified score.

Parameters:

score - Score to return if there is a match.

Method Detail

matchBoolean

public abstract boolean matchBoolean(Mention mention,
                                     MentionChain mentionChain)

Returns true if the specified mention matches the specified mention chain.

Parameters:

mention - Mention to compare for possible coreference.

mentionChain - Mention chain to compare for possible coreference.

Returns:

true if the mention matches the mention chain according to this matching function.

match

public final int match(Mention mention,
                       MentionChain mentionChain)

Final implementation of the matching function required by Matcher. Returns the constant specified in the constructor if matchBoolean(Mention,MentionChain) returns true and returns Matcher.NO_MATCH_SCORE otherwise.

Specified by:

match in interface Matcher

Parameters:

mention - Mention to compare for possible coreference.

mentionChain - Mention chain to compare for possible coreference.

Returns:

Constant supplied in constructor if there is a match and the no-match score otherwise.