public EfCoreSaveArgsBuilder(IStream <TIn> sourceStream, Func <TIn, TInEf> getEntity, Func <TIn, TInEf, TOut> getOutput)
{
this.Args = new EfCoreSaveArgs <TInEf, TIn, TOut>
{
SourceStream = sourceStream,
GetEntity = getEntity,
GetOutput = getOutput
};
}
public EfCoreSaveCorrelatedArgsBuilder(IStream <Correlated <TIn> > sourceStream, Func <TIn, TInEf> getEntity, Func <TIn, TInEf, TOut> getOutput)
{
this.Args = new EfCoreSaveArgs <TInEf, Correlated <TIn>, Correlated <TOut> >
{
SourceStream = sourceStream,
GetEntity = i => getEntity(i.Row),
GetOutput = (i, e) => new Correlated <TOut> {
Row = getOutput(i.Row, e), CorrelationKeys = i.CorrelationKeys
}
};
}
protected override IStream <TOut> CreateOutputStream(EfCoreSaveArgs <TInEf, TIn, TOut> args)
{
var ret = args.SourceStream.Observable
.Chunk(args.BatchSize)
.Map(i => i.Select(j => (Input: j, Entity: args.GetEntity(j))).ToList())
.Do(i =>
{
var dbContext = args.KeyedConnection == null
? this.ExecutionContext.DependencyResolver.Resolve <DbContext>()
: this.ExecutionContext.DependencyResolver.Resolve <DbContext>(args.KeyedConnection);
this.ExecutionContext.InvokeInDedicatedThreadAsync(dbContext, () => ProcessBatch(i, dbContext, args.BulkLoadMode)).Wait();
})
.FlatMap((i, ct) => PushObservable.FromEnumerable(i, ct))
.Map(i => args.GetOutput(i.Input, i.Entity));
return(base.CreateUnsortedStream(ret));
}
private EfCoreSaveArgsBuilder(EfCoreSaveArgs <TInEf, TIn, TOut> args)
{
this.Args = args;
}
public EfCoreSaveStreamNode(string name, EfCoreSaveArgs <TInEf, TIn, TOut> args) : base(name, args)
{
}
private EfCoreSaveCorrelatedArgsBuilder(EfCoreSaveArgs <TInEf, Correlated <TIn>, Correlated <TOut> > args)
{
this.Args = args;
}
