Since the property can sometimes be set (i.e. In the constructor) then this property is not strictly dependent. One solution is to store the settable value in a private property ( CustomProblemProperty in the example below) in the constructor.
The get method of ProblemProperty would then check return this private property value if it's not empty and otherwise return the generated value.
Since the property can sometimes be set (i.e. In the constructor) then this property is not strictly dependent. One solution is to store the settable value in a private property (CustomProblemProperty in the example below) in the constructor.
The get method of ProblemProperty would then check return this private property value if it's not empty and otherwise return the generated value. Classdef MyClass properties(GetAccess = public, SetAccess = private) Property1 Property2 Property3 end properties(Access = private) Property4 CustomProblemProperty end properties(Dependent = true, Transient = true) ProblemProperty Property5 end methods function B = MyClass(varargin) if nargin == 1 B. CustomProblemProperty = varargin{1}; end end function val = get.
Property5(B) val = SomeFunction(Property1); end function val = get. ProblemProperty(B) if isempty(B. CustomProblemProperty) val = AnotherFunction(B.
Property2); else val = B. CustomProblemProperty; end end end end.
I thought about this but sometimes the value is actually provided in the constructor directly. Am I able to set a value for a dependent property in a constructor? – MatlabSorter Jul 28 at 22:24 1 @MatlabSorter - I updated my answer to allow an optional custom value passed to the constructor.
The gist is to use a private property to store this optional value and get. ProblemProperty to decide whether to retrieve this private property or generate a new value. – b3.Jul 28 at 22:37 @b3 Thanks, I think that should do it.
I would like to understand why Matlab makes the call in my implementation, so I'll leave the question open for a little while longer. – MatlabSorter Jul 28 at 23:03 CustomProblemProperty needs to be transient otherwise it will be written to disk. – MatlabSorter Jul 28 at 23:12.
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