private static IMemberPopulator Create(MemberPopulationContext context)
{
if (TargetMemberIsUnmappable(context, out var reason))
{
return(NullMemberPopulator.Unmappable(context, reason));
}
if (context.TargetMemberIsUnconditionallyIgnored(out var populateCondition))
{
return(NullMemberPopulator.IgnoredMember(context));
}
var dataSourceFindContext = context.GetDataSourceFindContext();
var dataSources = MemberDataSourceSetFactory.CreateFor(dataSourceFindContext);
if (dataSources.None)
{
return(NullMemberPopulator.NoDataSources(context));
}
dataSourceFindContext.MemberMapperData.RegisterTargetMemberDataSources(dataSources);
return(new MemberPopulator(
dataSources,
dataSourceFindContext.MemberMapperData,
populateCondition));
}
protected ConstructionDataInfo(
TInvokable invokable,
ConstructionKey key,
int priority)
{
var parameters = invokable.GetParameters();
Priority = priority;
ParameterCount = parameters.Length;
_argumentTargetMembers = new QualifiedMember[ParameterCount];
ArgumentDataSources = new IDataSourceSet[ParameterCount];
CanBeInvoked = IsUnconditional = true;
var mappingData = key.MappingData;
var mapperData = mappingData.MapperData;
for (var i = 0; i < ParameterCount; ++i)
{
var argumentMember = Member.ConstructorParameter(parameters[i]);
var targetMember = _argumentTargetMembers[i] =
mapperData.TargetMember.Append(argumentMember);
var argumentMapperData = new ChildMemberMapperData(targetMember, mapperData);
var argumentMappingData = mappingData.GetChildMappingData(argumentMapperData);
var dataSources = ArgumentDataSources[i] = MemberDataSourceSetFactory
.CreateFor(new DataSourceFindContext(argumentMappingData));
if (CanBeInvoked && !dataSources.HasValue)
{
CanBeInvoked = false;
}
if (IsUnconditional && dataSources.IsConditional && argumentMember.IsComplex)
{
IsUnconditional = false;
}
}
}