Organization of Object Oriented Code
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Appologies if this is already answered somwhere ...
I'm trying to create an organizational structure fo my object oriented code. I think the best way to do it is with a combination of packages and classes. Currently, I have a folder structure something like this :
+MyPackage
+Foo
@bar
Inside +Foo I have a class definition for Foo. My inention is for this to be an abstract class that currently has no properties and only a constructor methods
classdef(Abstract) foo
%FOO Summary of this class goes here
methods(Abstract)
function obj = foo()
obj = [];
end
end
end
Inside @bar I have a class definition with a single property defined with a contructor method for bar. I would like to have other methods be .m files in the @bar folder
classdef bar < foo
%BAR Summary of this class goes here
properties
data
end
methods
function obj = bar(data)
obj = data;
end
end
end
My hope is to create an instance of foo by doing something like
obj = MyPackage.foo.bar(data)
Then access the not-yet-written methods in the @bar folder using something like
obj.modify_bar()
Howver, currently when I try to create a instance of bar I get the following error :
Error using MyPackage.foo.bar
The specified superclass 'foo' contains a parse error, cannot be found on MATLAB's search path, or is shadowed by another file with the same name.
foo appears ot the be on the matlab path because it's a package folder.
Am I do something fundementally worng? Should I be structuing my code in a different fashion? Sorry I'm new of object oriented programming in matlab.
2 comentarios
Jeff Miller
el 17 de Mayo de 2023
Don't you need this?
classdef(Abstract = true) foo % adding "= true"
Respuestas (1)
FannoFlow
el 17 de Mayo de 2023
Here is how I would recommend you create the folder structure:
+Package/+Foo/@Foo/Foo.m
+Package/+Foo/@Bar/Bar.m
Foo.m:
classdef (Abstract=true) Foo
end
Bar.m:
classdef Bar < Package.Foo.Foo
%BAR Summary of this class goes here
properties
data
end
methods
function obj = Bar(data)
obj = data;
end
end
end
And finally:
myBar = Package.Foo.Bar(42);
myBar.data
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