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 <,>)));
}