/// <summary>
/// Invoked by
/// <see cref = "EnsureDependenciesCanBeSatisfied" />
/// in order to check if a dependency can be satisfied.
/// If not, the handler is set to a 'waiting dependency' state.
/// </summary>
/// <remarks>
/// This method registers the dependencies within the correct collection
/// or dictionary and changes the handler state to
/// <see cref = "HandlerState.WaitingDependency" />
/// </remarks>
/// <param name = "dependency"></param>
protected void AddDependency(DependencyModel dependency)
{
dependency.Init(model.ParametersInternal);
if (AddOptionalDependency(dependency))
{
return;
}
if (AddResolvableDependency(dependency))
{
return;
}
AddMissingDependency(dependency);
}
private object Create(object factoryInstance, string factoryId, MethodInfo instanceCreateMethod, string factoryCreate, CreationContext context)
{
object instance;
var methodArgs = new List <object>();
try
{
var parameters = instanceCreateMethod.GetParameters();
foreach (var parameter in parameters)
{
var paramType = parameter.ParameterType;
if (paramType == typeof(IKernel))
{
methodArgs.Add(Kernel);
continue;
}
if (paramType == typeof(CreationContext))
{
methodArgs.Add(context);
continue;
}
var dependency = new DependencyModel(parameter.Name, paramType, false);
dependency.Init(Model.HasParameters ? Model.Parameters : null);
if (!Kernel.Resolver.CanResolve(context, null, Model, dependency))
{
var message = String.Format(
"Factory Method {0}.{1} requires an argument '{2}' that could not be resolved",
instanceCreateMethod.DeclaringType.FullName, instanceCreateMethod.Name, parameter.Name);
throw new FacilityException(message);
}
var arg = Kernel.Resolver.Resolve(context, null, Model, dependency);
methodArgs.Add(arg);
}
instance = instanceCreateMethod.Invoke(factoryInstance, methodArgs.ToArray());
}
catch (Exception ex)
{
var message = String.Format("You have specified a factory " +
"('{2}' - method to be called: {3}) " +
"for the component '{0}' {1} that failed during invoke.",
Model.Name, Model.Implementation.FullName, factoryId, factoryCreate);
throw new FacilityException(message, ex);
}
if (Model.HasInterceptors)
{
try
{
instance = Kernel.ProxyFactory.Create(Kernel, instance, Model, context, methodArgs.ToArray());
}
catch (Exception ex)
{
throw new ComponentActivatorException("FactoryActivator: could not proxy " + instance.GetType().FullName, ex, Model);
}
}
return(instance);
}