Matlab static variable that can be modified by super class and sub class?
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I have following structure where I have a superclass and two subclasses
classdef A
properties
staticvar
end
end
And two subclasses of A
classdef B < A
properties
end
end
classdef C < A
properties
end
end
Is there a way I can use "staticvar" such that the "staticvar" value can be modified by any of the classes and its value is reflected when accessed by any of the class?
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Matt J
2021-10-13
编辑:Matt J
2021-10-13
You mean you want all instances of the class and its subclasses to share the same copy of staticvar? If so, you can write the superclass like this.
classdef A
properties(Dependent)
staticvar
end
methods
function val=get.staticvar(~)
val=manage_staticVar;
end
function obj=set.staticvar(obj,val)
manage_staticVar(val);
end
end
end
function out=manage_staticVar(val) %Not a class method - can be class-related function
persistent p
if nargin, p=val; end
out=p;
end
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