SynonymGraphFilter

Namespace

Rowles.LeanLucene.Analysis.Filters

Assembly

Rowles.LeanLucene.dll

Token filter that supports multi-token synonym expansion using a trie-based SynonymMap. Uses longest-match lookahead for multi-word synonyms and inserts replacement tokens at the same position offsets.

public sealed class SynonymGraphFilter : ITokenFilter

SynonymGraphFilter

Implements

ITokenFilter

Remarks

Replaces the simpler single-token synonym approach with trie-based longest-match.

Constructors

SynonymGraphFilter(SynonymMap)

Initialises a new SynonymGraphFilter with the specified synonym map.

Methods

Apply(List<Token>)

Applies the filter to the token list, modifying it in place.