Use dependency injection in object mappers

A great feature of AutoMapper is the ability to use dependency injection from value resolvers and type converters (with the AutoMapper.Extensions.Microsoft.DependencyInjection package). In a similar way, I would like to extend the ObjectMapper<object, string> to use an internal service to convert string values to model objects and vice versa. However, I cannot find a way to inject this service into my object mapper neatly.

It might be possible using the ResolutionContext in the Map overload, i.e. context.Options.CreateInstance<IService>() but this is not available in the IsMatch() function.

Is using a service via dependency injection in an ObjectMapper object possible?

[lbargaoanu]

Well, we could say it’s more specific so it should have a chance to run first, but really, the order of the mappers is a tricky subject. So we’d rather not mess with that. We didn’t change it for some time now, so I guess it’s the right order 😃 You can insert your own mapper wherever you want. In theory you can alter anything about the mappers collection, but as I’ve said, it’s tricky.

[lock[bot]]

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