public AppraisersFlow(IEnumerable <Appraiser> appraisers)
: base(DataflowOptions.Default)
{
if (appraisers is null)
{
throw new ArgumentNullException(nameof(appraisers));
}
_inputConsumer = new DataBroadcaster <IReadOnlyList <IData> >(crawlersData =>
{
Console.WriteLine($"Broadcasts all crawlers data. {crawlersData.Count.ToString()}");
return(crawlersData);
}, DataflowOptions.Default);
_resultConsumer = new TransformBlock <IReadOnlyList <string>, IReadOnlyList <string> >(
appraisedData => appraisedData
).ToDataflow(DataflowOptions.Default);
var usedTypes = new Dictionary <Type, DataBroadcaster <IReadOnlyList <IData> > >();
foreach (var appraiser in appraisers)
{
if (!usedTypes.TryGetValue(appraiser.DataType, out var broadcaster))
{
broadcaster = new DataBroadcaster <IReadOnlyList <IData> >(crawlersData =>
{
Console.WriteLine($"Broadcasts specified data of type {appraiser.DataType.Name}. {crawlersData.Count.ToString()}");
return(crawlersData);
}, DataflowOptions.Default);
usedTypes.Add(appraiser.DataType, broadcaster);
_inputConsumer.TransformAndLink(
broadcaster,
l => l,
l => l.All(d => d.GetType().IsAssignableFrom(appraiser.DataType))
);
RegisterChild(broadcaster);
}
var appraiserFlow = DataflowUtils.FromDelegate(appraiser.Func, DataflowOptions.Default);
broadcaster.LinkTo(appraiserFlow);
appraiserFlow.LinkTo(_resultConsumer);
_resultConsumer.RegisterDependency(appraiserFlow);
RegisterChild(appraiserFlow);
}
RegisterChild(_inputConsumer);
RegisterChild(_resultConsumer);
}
private void InitFlow(IEnumerable <Funcotype> appraisers)
{
var usedTypes = new Dictionary <Type, DataBroadcaster <BasicInfo> >();
foreach (Funcotype appraiser in appraisers)
{
if (!usedTypes.TryGetValue(appraiser.DataType, out var broadcaster))
{
broadcaster = new DataBroadcaster <BasicInfo>(
crawlersData => crawlersData, DataflowOptions.Default
);
usedTypes.Add(appraiser.DataType, broadcaster);
_inputConsumer.TransformAndLink(
broadcaster,
info => info,
info => info.GetType().IsAssignableFrom(appraiser.DataType)
);
RegisterChild(broadcaster);
}
Dataflow <BasicInfo, RatingDataContainer> appraiserFlow = DataflowUtils.FromDelegate(
appraiser.Func, DataflowOptions.Default
);
broadcaster.LinkTo(appraiserFlow);
appraiserFlow.LinkTo(_resultConsumer);
_resultConsumer.RegisterDependency(appraiserFlow);
RegisterChild(appraiserFlow);
}
RegisterChild(_inputConsumer);
RegisterChild(_resultConsumer);
}
