protected override IStream <TOut> CreateOutputStream(LookupEntityFrameworkCoreArgs <TIn, TEntity, TCtx, TOut, TKey> args)
{
var matchingS = args.InputStream.Observable.CombineWithLatest(args.DbContextStream.Observable.Map(ctx =>
{
return(new EfMatcher <TIn, TEntity, TCtx, TKey>(new EfMatcherConfig <TIn, TEntity, TCtx, TKey>
{
Context = ctx,
CreateIfNotFound = args.CreateIfNotFound,
DefaultDatasetCriteria = args.DefaultCriteria,
LeftKeyExpression = args.GetLeftStreamKey,
RightKeyExpression = args.GetEntityStreamKey,
MinCacheSize = args.CacheSize,
GetFullDataset = args.GetFullDataset,
IncludeInstruction = args.IncludeInstruction
}));
}), (elt, matcher) => new { Element = elt, Matcher = matcher }, true)
.Map(i =>
{
TEntity entity = default(TEntity);
this.ExecutionContext.InvokeInDedicatedThread(i.Matcher.Context, () => entity = i.Matcher.GetMatch(i.Element));
return(args.ResultSelector(i.Element, entity));
});
return(base.CreateUnsortedStream(matchingS));
}
protected override IStream <TOut> CreateOutputStream(LookupEntityFrameworkCoreArgs <TIn, TEntity, TCtx, TOut> args)
{
var matcher = new EfMatcher <TIn, TEntity, TCtx>(args.Match, args.CacheSize);
var matchingS = args.InputStream.Observable.CombineWithLatest(args.DbContextStream.Observable, (elt, ctx) => new { Element = elt, DbContext = ctx }, true)
.Map(i => args.ResultSelector(i.Element, matcher.GetMatch(i.DbContext, i.Element)));
return(base.CreateUnsortedStream(matchingS));
}
public LookupEntityFrameworkCoreStreamNode(string name, LookupEntityFrameworkCoreArgs <TIn, TEntity, TCtx, TOut, TKey> args) : base(name, args)
{
}
