public EdgeNGramTokenFilter(LuceneVersion version, TokenStream input, Side side, int minGram, int maxGram) : base(input) { if (version == null) { throw new System.ArgumentException("version must not be null"); } if (version.OnOrAfter(LuceneVersion.LUCENE_44) && side == Side.BACK) { throw new System.ArgumentException("Side.BACK is not supported anymore as of Lucene 4.4, use ReverseStringFilter up-front and afterward"); } if (side == null) { throw new System.ArgumentException("sideLabel must be either front or back"); } if (minGram < 1) { throw new System.ArgumentException("minGram must be greater than zero"); } if (minGram > maxGram) { throw new System.ArgumentException("minGram must not be greater than maxGram"); } this.version = version; this.charUtils = version.onOrAfter(LuceneVersion.LUCENE_44) ? CharacterUtils.getInstance(version) : CharacterUtils.Java4Instance; this.minGram = minGram; this.maxGram = maxGram; this.side = side; }
public EdgeNGramTokenFilter(LuceneVersion version, TokenStream input, Side side, int minGram, int maxGram) : base(input) { if (version == null) { throw new System.ArgumentException("version must not be null"); } if (version.OnOrAfter(LuceneVersion.LUCENE_44) && side == Side.BACK) { throw new System.ArgumentException("Side.BACK is not supported anymore as of Lucene 4.4, use ReverseStringFilter up-front and afterward"); } if (side == null) { throw new System.ArgumentException("sideLabel must be either front or back"); } if (minGram < 1) { throw new System.ArgumentException("minGram must be greater than zero"); } if (minGram > maxGram) { throw new System.ArgumentException("minGram must not be greater than maxGram"); } this.version = version; this.charUtils = version.onOrAfter(LuceneVersion.LUCENE_44) ? CharacterUtils.getInstance(version) : CharacterUtils.Java4Instance; this.minGram = minGram; this.maxGram = maxGram; this.side = side; }