private IDisposable Subscribe(IStreamObserver <TKey, TSource> observer, int index)
{
IDisposable child;
lock (this.subscriptionLock)
{
if (this.toSubscribe.Add(index))
{
child = new ChildDisposable(this.connectableStream.Subscribe(observer), this.crew, index);
}
else
{
throw new InvalidOperationException("Cannot subscribe to the same child streamable more than once.");
}
if (this.toSubscribe.Count == this.outputCount)
{
this.crew.SetListDisposable(this.connectableStream.Connect());
this.crew = new DisposableManager(this.outputCount);
this.connectableStream = new ConnectableStreamable <TKey, TSource>(this.source);
this.toSubscribe.Clear();
}
}
return(child);
}
public override IDisposable Subscribe(IStreamObserver <TKey, TResult> observer)
{
var connectableInput = new ConnectableStreamable <TKey, TSource>(this.source);
var output = this.selector(connectableInput);
IDisposable d1 = output.Subscribe(observer);
IDisposable d2 = connectableInput.Connect();
return(Utility.CreateDisposable(d1, d2));
}
private NWayMulticast(IStreamable <TKey, TSource> source, int outputCount)
{
Contract.Requires(source != null);
Contract.Requires(outputCount > 0);
this.source = source;
this.connectableStream = new ConnectableStreamable <TKey, TSource>(source);
this.outputCount = outputCount;
this.crew = new DisposableManager(outputCount);
}
public DependentStreamable(
ConnectableStreamable <TKeyInner, TSourceInner> source,
NWayMulticast <TKeyInner, TSourceInner> leader,
int index)
: base(source.Properties)
{
Contract.Requires(source != null);
Contract.Requires(leader != null);
Contract.Requires(index >= 0);
this.leader = leader;
this.index = index;
}