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How to reuse class in models without using validation for all of them


How to reuse class in models without using validation for all of them

By : Karin Naak-in
Date : November 21 2020, 01:01 AM
it should still fix some issue I have decided not to have many view models.
Here is my implementation
code :


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Fluent validation: How can i reuse a property validation (projection)

Fluent validation: How can i reuse a property validation (projection)


By : user2169034
Date : March 29 2020, 07:55 AM
around this issue I didn't find any way to do this in the framework, but I've created an extension methods which enables me to do what I want to do as a one-liner.
Example:
code :
class PumpCurveViewModelValidationRules : AbstractValidator<PumpCurveViewModel>
{
    readonly ConstantPumpCurveParametersValidationRules _constantParametersValidator = new ConstantPumpCurveParametersValidationRules();

    public PumpCurveViewModelValidationRules()
    {
        this.AddPropertyProjectionRule<PumpCurveViewModelValidationRules, PumpCurveViewModel, ConstantPumpParameters>(c => c.Speed, vm => vm.CurveSpeed, vm => vm.DataSource.ConstantPumpParameters, _constantParametersValidator);          
    }
}
Can I reuse ECore models by importing them into other models?

Can I reuse ECore models by importing them into other models?


By : sofia
Date : March 29 2020, 07:55 AM
it fixes the issue To reference one Ecore model from another:
Open the model needing the added reference in the Ecore model editor. In your example, open the file C.ecore. Right click on the top item in the editor. In the below example, you would click on the platform:/resource.../webpage.ecore item. Select "Load Resource", then browse the workspace to find the Ecore file you want to include. In your example, open the file A.ecore or B.ecore.
What is the difference between conceptual domain models, application class models, and consolidated class models?

What is the difference between conceptual domain models, application class models, and consolidated class models?


By : Mayank Gangwar
Date : March 29 2020, 07:55 AM
Hope this helps The difference is the level of abstraction those models deal with the reality they try to reflect. The conceptual model is just a rough draft of the domain. You try to gather business objects (contents and relations). The application class model is one that is designed towards coding the system under consideration (SUC). The term "consolidated class model" is not a common term (at least I don't know it). But it sounds like it is the final stage of the design and matches exactly one implementation of the SUC.
How reuse __str__ function in models.py for each class model

How reuse __str__ function in models.py for each class model


By : mmf-dev
Date : March 29 2020, 07:55 AM
will help you You could use inheritance (inherit your different classes from one base class that provides the __str__ method you want).
Or if that doesn't work for you, and you just want to share this method implementation in the easiest way possible, you can assign methods in your classes instead of defining them.
code :
def mystrfunction(self):
   return whatever

class Class1(object):
   ...
   __str__ = mystrfunction

class Class2(object):
   ...
   __str__ = mystrfunction
Is there a way to reuse in place validation of Hibernate's implementation of Bean Validation at runtime?

Is there a way to reuse in place validation of Hibernate's implementation of Bean Validation at runtime?


By : MarkD
Date : March 29 2020, 07:55 AM
help you fix your problem There is no official way to reuse a validator in another one.
What you can do though would be to initialize an EmailValidator attribute in initialize() and call its isValid() method in your isValid() method.
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