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POHow do you make a Ninject Provider when the constructor of type is not known?
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  1. POHow do you make a Ninject Provider when the constructor of type is not known?
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    copied!<p>I decided to try to conjure up a container assembly to interact with FubuMVC. Well the cool part is that it pass all the test that the FubuMVC.Container.StructureMap assembly does. However, when I dropped it into the FubuSample. I received an activation error.</p> <p>The error is because in the provider for the behaviors I'm only calling a parameterless constructor to build behavior instances. That is unacceptable in real life it would seem.</p> <p>Here is how it is set up:</p> <pre><code>public class TestBehavior2 : IControllerActionBehavior { public IControllerActionBehavior InsideBehavior { get; set; } public IInvocationResult Result { get; set; } protected FubuConfiguration Configuration { get; set; } protected FubuConventions Conventions { get; set; } public TestBehavior2(FubuConventions conventions, FubuConfiguration config) { Conventions = conventions; Configuration = config; } public OUTPUT Invoke&lt;INPUT, OUTPUT&gt;(INPUT input, Func&lt;INPUT, OUTPUT&gt; func) where INPUT : class where OUTPUT : class { // Invocation stuff } } public class TestBehavior : IControllerActionBehavior { public IControllerActionBehavior InsideBehavior { get; set; } public IInvocationResult Result { get; set; } public OUTPUT Invoke&lt;INPUT, OUTPUT&gt;(INPUT input, Func&lt;INPUT, OUTPUT&gt; func) where INPUT : class where OUTPUT : class { // Invocation stuff } } </code></pre> <p>My Load method has these binding in it:</p> <pre><code>foreach (var actionConfig in _configuration.GetControllerActionConfigs()) { Bind(actionConfig.ControllerType).ToSelf(); Bind&lt;IControllerActionBehavior&gt;() .ToProvider(new BehaviorInstanceProvider(actionConfig)) .WhenParentNamed(actionConfig.UniqueID); Bind&lt;IControllerActionInvoker&gt;().To(actionConfig.InvokerType) .Named(actionConfig.UniqueID); } </code></pre> <p>In my provider's Create method is:</p> <pre><code>public object Create(IContext context) { var behavior = ConfigureInstance(context); foreach (var type in _config.GetBehaviors().Reverse()) { IControllerActionBehavior previousBehavior = behavior; behavior = (IControllerActionBehavior)Activator.CreateInstance(type); t.GetProperty(INSIDE_PROP_NAME).SetValue(behavior, temp, null); } return behavior; } </code></pre> <p>So my question is how should I set up to provider to create an instance of a service when all I don't know what the constructor will look like? Or rather if I use the ConstructorInfo to ascertain the constructor will Ninject inject the appropriate dependencies?</p> <p>This is using Ninject 2b, since FubuMvc requires CommonServiceLocator support. </p>
 

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