Turn off self binding

[Rob A'Court]

Hi

Is there any way to get the ninject kernel to throw an exception if it is asked to resolve a class that has no bindings?

It already does this for interfaces but if you ask it to resolve a class it will conclude that it is self-bindable and so not throw an exception. We've had a few bugs now caused by us forgetting to set up the binding, for instance it might need to be in singleton scope and without the binding we'll get many instances.

Any ideas?

Many thanks

Rob

[Ian Davis]

I think you can derive from StandardKernel and override "protected virtual bool HandleMissingBinding(IRequest request){...}" to just return false.

-Ian

Rob

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[Bartelink, Ruben]

IIRC there's an AllowImplicitSelfBinding on NinjectSettings

--
--Ruben
Ruben Bartelink / +353 86 885 2399

[Ian Davis]

As far as I see at the moment, there is no such option. Neither in the settings nor the kernel.

-Ian

[Bartelink, Ruben]

Doh, I used to know that too = you're right of course as usual!

http://stackoverflow.com/a/3847976/11635

Thinking about it, I think it's an important thing to be able to control easily. Having said that, I like using stuff in no-surprises OOTB mode where possible, regardless of whether I agree with the merits of individual marginal decisions.

--R

[Remo Gloor]

http://stackoverflow.com/questions/14565380/disable-implicit-binding-injection-of-non-explicitly-bound-classes-in-ninject-2

[Rob A'Court]

We've gone with the following solution for now and that seems to work perfectly:

kernel.Components.RemoveAll<IMissingBindingResolver>();
kernel.Components.Add<IMissingBindingResolver, DefaultValueBindingResolver>();

Thanks for everyone's help!

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