private MetadataUtils.MetadataGetter <uint> GetScoreColumnSetId(ISchema schema) { int c; var max = schema.GetMaxMetadataKind(out c, MetadataUtils.Kinds.ScoreColumnSetId); uint id = checked (max + 1); return ((int col, ref uint dst) => dst = id); }
protected ScorerBindingsBase(ISchema input, ISchemaBoundMapper mapper, string suffix, bool user, params string[] namesDerived) : base(input, user, GetOutputNames(mapper, suffix, namesDerived)) { Contracts.AssertValue(mapper); Contracts.AssertValueOrNull(suffix); Contracts.AssertValue(namesDerived); Mapper = mapper; DerivedColumnCount = namesDerived.Length; Suffix = suffix ?? ""; int c; var max = input.GetMaxMetadataKind(out c, MetadataUtils.Kinds.ScoreColumnSetId); _crtScoreSet = checked (max + 1); _getScoreColumnSetId = GetScoreColumnSetId; }