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%CategoricalAdaptor Adaptor class for categorical data % Adapts subsasgn to allow tc(tc=='foo') = 'bar'; % and disallows flags to MIN/MAX. % Copyright 2016 The MathWorks, Inc. classdef CategoricalAdaptor < ... matlab.bigdata.internal.adaptors.AbstractAdaptor & ... matlab.bigdata.internal.adaptors.GeneralArrayDisplayMixin & ... matlab.bigdata.internal.adaptors.GeneralArrayParenIndexingMixin & ... matlab.bigdata.internal.adaptors.NoCellIndexingMixin methods function obj = CategoricalAdaptor() obj@matlab.bigdata.internal.adaptors.AbstractAdaptor('categorical'); end function names = getProperties(~) names = {}; end function out = subsasgnParens(obj, pa, szPa, S, b) % For categorical SUBSASGN, if 'b' is a char-vector, wrap it in a cell before % calling the mixin version of SUBSASGN. if ischar(b) b = {b}; end out = subsasgnParens@matlab.bigdata.internal.adaptors.GeneralArrayParenIndexingMixin(... obj, pa, szPa, S, b); end function [nanFlagCell, precisionFlagCell] = interpretReductionFlags(~, FCN_NAME, flags) % Categoricals support no reduction flags. if ~isempty(flags) error(message('MATLAB:bigdata:array:CategoricalReductionFlagNotSupported', ... FCN_NAME, strjoin(flags))); end nanFlagCell = {}; precisionFlagCell = {}; end end end