public ServiceDependency AsDependency(ContainerContext containerContext, string dependencyName, bool isEnumerable)
{
if (Status.IsBad())
{
return(containerContext.ServiceError(this, dependencyName));
}
if (Status == ServiceStatus.NotResolved)
{
return(containerContext.NotResolved(this, dependencyName));
}
if (!isEnumerable)
{
return(Instances.Length > 1
? containerContext.Error(this, dependencyName, FormatManyImplementationsMessage())
: containerContext.Service(this, Instances[0].Instance, dependencyName));
}
return(containerContext.Service(this, GetAllValues(), dependencyName));
}
private void InstantiateInterface(ContainerService.Builder builder)
{
HashSet <ImplementationType> implementationTypes;
try
{
implementationTypes = GetImplementationTypes(builder);
}
catch (Exception e)
{
builder.SetError(e);
return;
}
ApplySelectors(implementationTypes, builder);
if (implementationTypes.Count == 0)
{
builder.SetComment("has no implementations");
return;
}
Func <object> factory = null;
var canUseFactory = true;
foreach (var implementationType in implementationTypes)
{
if (implementationType.accepted)
{
var implementationService = ResolveCore(ServiceName.Parse(implementationType.type, InternalHelpers.emptyStrings),
builder.CreateNew, builder.Arguments, builder.Context);
builder.LinkTo(containerContext, implementationService, implementationType.comment);
if (builder.CreateNew && builder.Arguments == null &&
implementationService.Status == ServiceStatus.Ok && canUseFactory)
{
if (factory == null)
{
if (!factoryCache.TryGetValue(implementationService.Name, out factory))
{
canUseFactory = false;
}
}
else
{
canUseFactory = false;
}
}
if (builder.Status.IsBad())
{
return;
}
}
else
{
var dependency = containerContext.NotResolved(null, implementationType.type.FormatName());
dependency.Comment = implementationType.comment;
builder.AddDependency(dependency, true);
}
}
builder.EndResolveDependencies();
if (factory != null && canUseFactory)
{
factoryCache.TryAdd(builder.GetFinalName(), factory);
}
}