protected override IStream <TOut> CreateOutputStream(ThroughEntityFrameworkCoreArgs <TInEf, TCtx, TIn, TOut> args)
{
var dbContextStream = args.DbContextStream.Observable.First();
var ret = args.SourceStream.Observable
.Chunk(args.BatchSize)
.CombineWithLatest(dbContextStream, (i, c) => new { Context = c, Items = i.Select(j => new Tuple <TIn, TInEf>(j, args.GetEntity(j))).ToList() }, true)
.Do(i => ProcessBatch(i.Items, i.Context, args.BulkLoadMode))
.FlatMap(i => PushObservable.FromEnumerable(i.Items))
.Map(i => args.GetOutput(i.Item1, i.Item2));
return(base.CreateUnsortedStream(ret));
}
public ThroughEntityFrameworkCoreStreamNode(string name, ThroughEntityFrameworkCoreArgs <TInEf, TCtx, TIn, TOut> args) : base(name, args)
{
}
