Para.m

classdef Para < matlab.mixin.Heterogeneous & Component
    % Parachute: Represents a parachute component.
    %
    %   Constructor:
    %       - Parachute: Creates an instance of the Parachute class.
    %           Loaded config: rocketConfig.m > parachute
    %           Loaded data: -
    %           Arguments:
    %               - mission: Mission, mission object
    %               - varIn: (optional) config source. Alternative to config.m
    %               file
    %
    %   WARNING: To preserve object type when creating an array, a third
    %   dimension is added to force the creation of an heterogeneous array.
    %   the third dimension can be trimmed away. 
    %   Do NOT consider the third dimension as valid

    properties(Access = protected)
        configName = 'paraConfig.m'
        variableName = 'para'
        mission Mission
    end

    methods
        function obj = Para(mission, varIn)
            arguments(Input)
                mission Mission = Mission()
                varIn = []
            end
            obj@Component(mission, varIn);
            
            %% Forcing creation of heterogeneous array
            if any(size(obj) > 1)
                switch class(obj) 
                    % In case of homogeneous type, forces conversion to
                    % heterogeneous Para array
                    case 'Parachute'
                        obj(1, 1, 2) = Parafoil();
                    case 'Parafoil'
                        obj(1, 1, 2) = Parachute();
                    otherwise
                end
            end
        end
    end

    methods (Static,Sealed,Access=protected)
        function default = getDefaultScalarElement
            default = Parachute;
        end
    end
end