private void ApplySelectors(HashSet <ImplementationType> implementations, ContainerService.Builder builder)
{
if (builder.Configuration != ServiceConfiguration.empty)
{
return;
}
if (implementationSelectors.Count == 0)
{
return;
}
var selectorDecisions = new List <ImplementationSelectorDecision>();
var typesArray = implementations.Select(x => x.type).ToArray();
foreach (var s in implementationSelectors)
{
s(builder.Type, typesArray, selectorDecisions);
}
foreach (var decision in selectorDecisions)
{
var item = new ImplementationType
{
type = decision.target,
comment = decision.comment,
accepted = decision.action == ImplementationSelectorDecision.Action.Include
};
implementations.Replace(item);
}
}
private HashSet <ImplementationType> GetImplementationTypes(ContainerService.Builder builder)
{
var result = new HashSet <ImplementationType>();
var candidates = builder.Configuration.ImplementationTypes ??
containerContext.typesList.InheritorsOf(builder.Type.GetDefinition());
var implementationTypesAreExplicitlyConfigured = builder.Configuration.ImplementationTypes != null;
foreach (var implType in candidates)
{
if (!implementationTypesAreExplicitlyConfigured)
{
var configuration = GetConfiguration(implType, builder.Context);
if (configuration.IgnoredImplementation || implType.IsDefined("IgnoredImplementationAttribute"))
{
result.Add(new ImplementationType
{
type = implType,
comment = "IgnoredImplementation",
accepted = false
});
}
}
if (!implType.IsGenericType)
{
if (!builder.Type.IsGenericType || builder.Type.IsAssignableFrom(implType))
{
result.Add(ImplementationType.Accepted(implType));
}
}
else if (!implType.ContainsGenericParameters)
{
result.Add(ImplementationType.Accepted(implType));
}
else
{
var mapped = containerContext.genericsAutoCloser.AutoCloseDefinition(implType);
foreach (var type in mapped)
{
if (builder.Type.IsAssignableFrom(type))
{
result.Add(ImplementationType.Accepted(type));
}
}
if (builder.Type.IsGenericType)
{
var implInterfaces = implType.ImplementationsOf(builder.Type.GetGenericTypeDefinition());
foreach (var implInterface in implInterfaces)
{
var closed = implType.TryCloseByPattern(implInterface, builder.Type);
if (closed != null)
{
result.Add(ImplementationType.Accepted(closed));
}
}
}
if (builder.Arguments == null)
{
continue;
}
var serviceConstructor = implType.GetConstructor();
if (!serviceConstructor.isOk)
{
continue;
}
foreach (var formalParameter in serviceConstructor.value.GetParameters())
{
if (!formalParameter.ParameterType.ContainsGenericParameters)
{
continue;
}
ValueWithType parameterValue;
if (!builder.Arguments.TryGet(formalParameter.Name, out parameterValue))
{
continue;
}
var parameterType = parameterValue.value == null ? parameterValue.type : parameterValue.value.GetType();
var implInterfaces = formalParameter.ParameterType.IsGenericParameter
? new List <Type>(1)
{
parameterType
}
: parameterType.ImplementationsOf(formalParameter.ParameterType.GetGenericTypeDefinition());
foreach (var implInterface in implInterfaces)
{
var closedItem = implType.TryCloseByPattern(formalParameter.ParameterType, implInterface);
if (closedItem != null)
{
result.Add(ImplementationType.Accepted(closedItem));
}
}
}
}
}
return(result);
}