/// <summary>
/// Process windows of messages by relative index interval.
/// </summary>
/// <typeparam name="TSource">Type of source messages.</typeparam>
/// <typeparam name="TOutput">Type of output messages.</typeparam>
/// <param name="source">Source stream.</param>
/// <param name="indexInterval">The relative index interval over which to gather messages.</param>
/// <param name="selector">Selector function.</param>
/// <param name="deliveryPolicy">An optional delivery policy.</param>
/// <param name="name">An optional name for the stream operator.</param>
/// <returns>Output stream.</returns>
public static IProducer <TOutput> Window <TSource, TOutput>(
this IProducer <TSource> source,
IntInterval indexInterval,
Func <IEnumerable <Message <TSource> >, TOutput> selector,
DeliveryPolicy <TSource> deliveryPolicy = null,
string name = nameof(Window))
{
var window = new RelativeIndexWindow <TSource, TOutput>(source.Out.Pipeline, indexInterval, selector, name);
return(PipeTo(source, window, deliveryPolicy));
}
/// <summary>
/// Process windows of messages by relative index interval.
/// </summary>
/// <typeparam name="T">Type of source messages.</typeparam>
/// <typeparam name="U">Type of output messages.</typeparam>
/// <param name="source">Source stream.</param>
/// <param name="indexInterval">The relative index interval over which to gather messages.</param>
/// <param name="selector">Selector function.</param>
/// <param name="deliveryPolicy">An optional delivery policy.</param>
/// <returns>Output stream.</returns>
public static IProducer <U> Window <T, U>(this IProducer <T> source, IntInterval indexInterval, Func <IEnumerable <Message <T> >, U> selector, DeliveryPolicy deliveryPolicy = null)
{
var window = new RelativeIndexWindow <T, U>(source.Out.Pipeline, indexInterval, selector);
return(PipeTo(source, window, deliveryPolicy));
}
