private UnaryPipe <TKey, TPayload, TPayload> GetPipe(IStreamObserver <TKey, TPayload> observer) { var lookupKey = CacheKey.Create(); var generatedPipeType = cachedPipes.GetOrAdd(lookupKey, key => QuantizeLifetimeTemplate.Generate(this)); Func <PlanNode, IQueryObject, PlanNode> planNode = ((PlanNode p, IQueryObject o) => new PointAtEndPlanNode(p, o, typeof(TKey), typeof(TPayload), true, generatedPipeType.Item2, false)); var instance = Activator.CreateInstance(generatedPipeType.Item1, this, observer, this.width, this.skip, this.offset, planNode); var returnValue = (UnaryPipe <TKey, TPayload, TPayload>)instance; return(returnValue); }
internal static Tuple <Type, string> Generate <TKey, TPayload>(QuantizeLifetimeStreamable <TKey, TPayload> stream) { Contract.Requires(stream != null); Contract.Ensures(Contract.Result <Tuple <Type, string> >() == null || typeof(UnaryPipe <TKey, TPayload, TPayload>).GetTypeInfo().IsAssignableFrom(Contract.Result <Tuple <Type, string> >().Item1)); #if CODEGEN_TIMING Stopwatch sw = new Stopwatch(); sw.Start(); #endif var template = new QuantizeLifetimeTemplate( $"GeneratedQuantizeLifetime_{QuantizeLifetimeSequenceNumber++}", typeof(TKey), typeof(TPayload)); return(template.Generate <TKey, TPayload>(typeof(IStreamable <,>))); }