public WindowExactObserver(ISignalObserver <IObservableSource <T> > downstream, int size)
{
this.downstream = downstream;
this.size = size;
this.onTerminate = TerminateWindow;
Volatile.Write(ref active, 1);
}
/// <summary>
/// Subscribes the first observer to this subject and
/// starts replaying/relaying signals. All future
/// observers receive an InvalidOperationException.
/// </summary>
/// <param name="observer">The observer to subscribe with.</param>
public void Subscribe(ISignalObserver <T> observer)
{
ValidationHelper.RequireNonNullRef(observer, nameof(observer));
if (Interlocked.CompareExchange(ref once, 1, 0) == 0)
{
var inner = new MonocastDisposable(observer, this);
observer.OnSubscribe(inner);
if (Interlocked.CompareExchange(ref this.observer, inner, null) == null)
{
if (inner.IsDisposed())
{
this.observer = null;
}
else
{
Drain();
}
}
}
else
{
DisposableHelper.Error(observer, new InvalidOperationException("MonocastSubject allows at most one observer"));
}
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new RepeatPredicteObserver(observer, source, predicate);
observer.OnSubscribe(parent);
parent.Next();
}
public void Subscribe(ISignalObserver <T> observer)
{
ValidationHelper.RequireNonNull(observer, nameof(observer));
var errorSignals = new PublishSubject <Exception>();
var redo = default(IObservableSource <U>);
try
{
redo = ValidationHelper.RequireNonNullRef(handler(errorSignals), "The handler returned a null IObservableSource");
}
catch (Exception ex)
{
DisposableHelper.Error(observer, ex);
return;
}
var parent = new MainObserver(observer, source, new SerializedSignalObserver <Exception>(errorSignals));
observer.OnSubscribe(parent);
redo.Subscribe(parent.handlerObserver);
parent.HandlerNext();
}
public void Subscribe(ISignalObserver <T> observer)
{
var connectionDisposable = default(SingleAssignmentDisposable);
var taskDisposable = default(IDisposable);
lock (this)
{
var t = task;
if (t != null)
{
taskDisposable = t;
task = null;
}
if (++count == minObservers)
{
connectionDisposable = new SingleAssignmentDisposable();
connection = connectionDisposable;
}
}
if (taskDisposable != null)
{
taskDisposable.Dispose();
}
source.Subscribe(new RefCountObserver(observer, this));
if (connectionDisposable != null)
{
source.Connect(d => connectionDisposable.Disposable = d);
}
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new ArrayDisposable(observer, array);
observer.OnSubscribe(parent);
parent.Run();
}
public BufferSkipObserver(ISignalObserver <B> downstream, Func <B> bufferSupplier, int size, int skip)
{
this.downstream = downstream;
this.bufferSupplier = bufferSupplier;
this.size = size;
this.skip = skip;
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new FromFuncDisposable(observer);
observer.OnSubscribe(parent);
if (parent.IsDisposed())
{
return;
}
var v = default(T);
try
{
v = supplier();
}
catch (Exception ex)
{
if (!parent.IsDisposed())
{
parent.Error(ex);
}
return;
}
parent.Complete(v);
}
internal static void Emit <T>(this ISignalObserver <T> subject, params T[] items)
{
foreach (var t in items)
{
subject.OnNext(t);
}
}
public void Subscribe(ISignalObserver <T> observer)
{
if (serialize)
{
var parent = new CreateDisposableSerializedEmitter(observer);
observer.OnSubscribe(parent);
try
{
onSubscribe(parent);
}
catch (Exception ex)
{
parent.OnError(ex);
}
}
else
{
var parent = new CreateDisposableEmitter(observer);
observer.OnSubscribe(parent);
try
{
onSubscribe(parent);
}
catch (Exception ex)
{
parent.OnError(ex);
}
}
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new FromActionDisposable(observer);
observer.OnSubscribe(parent);
if (parent.IsDisposed())
{
return;
}
try
{
action();
}
catch (Exception ex)
{
if (!parent.IsDisposed())
{
parent.Error(ex);
}
return;
}
parent.Complete();
}
public BufferBoundaryObserver(ISignalObserver <B> downstream, Func <B> bufferSupplier)
{
this.downstream = downstream;
this.bufferSupplier = bufferSupplier;
this.boundary = new BoundaryObserver(this);
this.queue = new ConcurrentQueue <(T item, int state)>();
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new JustDisposable(observer, item);
observer.OnSubscribe(parent);
parent.Run();
}
public void Subscribe(ISignalObserver <int> observer)
{
var parent = new RangeDisposable(observer, start, end);
observer.OnSubscribe(parent);
parent.Run();
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new ConcatWithObserver(observer, other);
observer.OnSubscribe(parent);
parent.Subscribe(source);
}
public TakeLastTimedObserver(ISignalObserver <T> downstream, TimeSpan timespan, IStopwatch stopwatch)
{
this.downstream = downstream;
this.timespan = timespan;
this.stopwatch = stopwatch;
Volatile.Write(ref queue, new Queue <(T item, TimeSpan time)>());
}
public void Subscribe(ISignalObserver <long> observer)
{
var parent = new IntervalDisposable(observer, start, end);
observer.OnSubscribe(parent);
if (initialDelay == period)
{
var d = scheduler.SchedulePeriodic(parent, period, t =>
{
t.Run();
});
parent.SetTask(d);
}
else
{
var d = scheduler.Schedule((parent, period), initialDelay, (sch, state) =>
{
state.parent.Run();
return(sch.SchedulePeriodic(state.parent, state.period, t =>
{
t.Run();
}));
});
parent.SetTask(d);
}
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new RetryPredicteObserver(observer, source, times);
observer.OnSubscribe(parent);
parent.Next();
}
internal ConcatMapEagerObserver(ISignalObserver <R> downstream, Func <T, IObservableSource <R> > mapper,
int capacityHint) : base(downstream)
{
this.mapper = mapper;
this.capacityHint = capacityHint;
this.observers = new SpscLinkedArrayQueue <InnerSignalObserver <R> >(capacityHint);
}
public IntervalDisposable(ISignalObserver <long> downstream, long index, long end)
{
this.downstream = downstream;
this.index = index;
this.fusedReady = index;
this.end = end;
}
/// <summary>
/// Subscribes the observer to this subject and
/// relays the live items or replays the terminal
/// event to it.
/// </summary>
/// <param name="observer">The observer to dispatch signals to.</param>
public void Subscribe(ISignalObserver <T> observer)
{
ValidationHelper.RequireNonNullRef(observer, nameof(observer));
var parent = new PublishDisposable(observer, this);
observer.OnSubscribe(parent);
if (Add(parent))
{
if (parent.IsDisposed())
{
Remove(parent);
}
}
else
{
var ex = error;
if (ex != ExceptionHelper.TERMINATED)
{
parent.OnError(ex);
}
else
{
parent.OnCompleted();
}
}
}
public void Subscribe(ISignalObserver <T> observer)
{
if (maxConcurrency == int.MaxValue)
{
var parent = new MergeMaxCoordinator(observer, delayErrors);
observer.OnSubscribe(parent);
foreach (var source in sources)
{
if (source == null)
{
parent.Error(new NullReferenceException());
return;
}
if (!parent.SubscribeTo(source))
{
return;
}
}
parent.SetDone();
}
else
{
var parent = new MergeLimitedCoordinator(observer, delayErrors, maxConcurrency, sources);
observer.OnSubscribe(parent);
parent.Drain();
}
}
public TimeoutObserver(ISignalObserver <T> downstream, TimeSpan timeout, IScheduler scheduler, IObservableSource <T> fallback)
{
this.downstream = downstream;
this.timeout = timeout;
this.scheduler = scheduler;
this.fallback = fallback;
}
public ConcatMapMainObserver(ISignalObserver<R> downstream, Func<T, IObservableSource<R>> mapper, bool delayErrors, int capacityHint)
{
this.downstream = downstream;
this.mapper = mapper;
this.delayErrors = delayErrors;
this.capacityHint = capacityHint;
this.inner = new InnerObserver(downstream, this);
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new FromObserver(observer);
observer.OnSubscribe(parent);
parent.OnSubscribe(source.Subscribe(parent));
}
public GroupByObserver(ISignalObserver <IGroupedObservableSource <K, V> > downstream, Func <T, K> keySelector, Func <T, V> valueSelector, IEqualityComparer <K> keyComparer)
{
this.downstream = downstream;
this.keySelector = keySelector;
this.valueSelector = valueSelector;
this.groups = new ConcurrentDictionary <K, Group>(keyComparer);
Volatile.Write(ref active, 1);
}
public ObserveOnObserver(ISignalObserver <T> downstream, IScheduler scheduler, bool delayError, int capacityHint, bool fair)
{
this.downstream = downstream;
this.scheduler = scheduler;
this.delayError = delayError;
this.capacityHint = capacityHint;
this.fair = fair;
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new SwitchIfEmptyObserver(observer, fallbacks);
observer.OnSubscribe(parent);
parent.Run(source);
}
public BufferOverlapObserver(ISignalObserver <B> downstream, Func <B> bufferSupplier, int size, int skip)
{
this.downstream = downstream;
this.bufferSupplier = bufferSupplier;
this.size = size;
this.skip = skip;
this.buffers = new Queue <B>();
}
public void Subscribe(ISignalObserver <T> observer)
{
var parent = new MainObserver(observer, source);
observer.OnSubscribe(parent);
other.Subscribe(parent.other);
}