StructureMap - How do I use multiple objects inheriting from the same interface

Question

When using StructureMap I would like class A to be injected with Bar and class B to be injected with Baz.

How would I configure / setup this relationship with StructureMap?

public class Bar : IFoo {}
public class Baz : IFoo {}

public class A
{
   private IFoo _foo;

   public A(IFoo foo)
   {
      _foo = foo; 
   }
}

public class B
{
   private IFoo _foo;

   public B(IFoo foo)
   {
      _foo = foo;
   }
}

Possible duplicate of stackoverflow.com/questions/4992700/… ...although I prefer this one as it's simpler. — demoncodemonkey
– demoncodemonkey, Commented Jul 3, 2014 at 16:02

Community · Accepted Answer · 2017-05-23 11:49:24Z

2

From this answer I think you need to do something like this:

For<IFoo>().Add<Bar>().Named("bar");
For<IFoo>().Add<Baz>().Named("baz");

For<A>()
    .Use<A>()
    .Ctor<IFoo>()
    .Named("bar");

For<B>()
    .Use<B>()
    .Ctor<IFoo>()
    .Named("baz");

edited May 23, 2017 at 11:49

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answered Jul 3, 2014 at 16:01

demoncodemonkey

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1 Comment

demoncodemonkey Over a year ago

Nice edit! I didn't realise there was a Named method.

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