internal void Instantiate(ContainerService.Builder builder)
{
LifestyleAttribute lifestyle;
if (builder.Type.IsSimpleType())
builder.SetError("can't create simple type");
else if (builder.Type == typeof (IContainer))
builder.AddInstance(this, false);
else if (builder.Configuration.ImplementationAssigned)
builder.AddInstance(builder.Configuration.Implementation, builder.Configuration.ContainerOwnsInstance);
else if (builder.Configuration.Factory != null)
builder.CreateInstanceBy(() => builder.Configuration.Factory(this), builder.Configuration.ContainerOwnsInstance);
else if (builder.Configuration.FactoryWithTarget != null)
{
if (!builder.Context.AnalizeDependenciesOnly)
{
var previousService = builder.Context.GetPreviousBuilder();
var target = previousService == null ? null : previousService.Type;
builder.CreateInstanceBy(() => builder.Configuration.FactoryWithTarget(this, target),
builder.Configuration.ContainerOwnsInstance);
}
}
else if (builder.Type.IsValueType)
builder.SetError("can't create value type");
else if (builder.Type.IsGenericType && builder.Type.ContainsGenericParameters)
builder.SetError("can't create open generic");
else if (!builder.CreateNew && builder.Type.TryGetCustomAttribute(out lifestyle) &&
lifestyle.Lifestyle == Lifestyle.PerRequest)
{
const string messageFormat = "service [{0}] with PerRequest lifestyle can't be resolved, use Func<{0}> instead";
builder.SetError(string.Format(messageFormat, builder.Type.FormatName()));
}
else if (builder.Type.IsAbstract)
InstantiateInterface(builder);
else
InstantiateImplementation(builder);
if (builder.Configuration.InstanceFilter != null)
{
var filteredOutCount = builder.FilterInstances(builder.Configuration.InstanceFilter);
if (filteredOutCount > 0)
builder.SetComment("instance filter");
}
}