/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <param name="predicate"></param>
/// <typeparam name="TPayload"></typeparam>
/// <returns></returns>
public static BStreamable <TPayload> Where <TPayload>(
this BStreamable <TPayload> source, Expression <Func <TPayload, bool> > predicate)
{
Invariant.IsNotNull(source, nameof(source));
Invariant.IsNotNull(predicate, nameof(predicate));
return(new WhereBStream <TPayload>(source, predicate.Compile()));
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <param name="window"></param>
/// <param name="offset"></param>
/// <typeparam name="TPayload"></typeparam>
/// <returns></returns>
public static TumblingWindowBStream <TPayload> TumblingWindowLifetime <TPayload>(
this BStreamable <TPayload> source,
long window,
long offset = 0
)
{
Invariant.IsNotNull(source, nameof(source));
return(new TumblingWindowBStream <TPayload>(source, window, offset));
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <param name="selector"></param>
/// <typeparam name="TPayload"></typeparam>
/// <typeparam name="TResult"></typeparam>
/// <returns></returns>
public static BStreamable <TResult> Multicast <TPayload, TResult>(
this BStreamable <TPayload> source,
Func <BStreamable <TPayload>, BStreamable <TResult> > selector
)
{
Invariant.IsNotNull(source, nameof(source));
Invariant.IsNotNull(selector, nameof(selector));
return(selector(source));
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <param name="selector"></param>
/// <typeparam name="TPayload"></typeparam>
/// <typeparam name="TResult"></typeparam>
/// <returns></returns>
public static BStreamable <TResult> Select <TPayload, TResult>(
this BStreamable <TPayload> source,
Expression <Func <TPayload, TResult> > selector
)
{
Invariant.IsNotNull(source, nameof(source));
Invariant.IsNotNull(selector, nameof(selector));
return(new SelectBStream <TPayload, TResult>(source, selector.Compile()));
}
/// <summary>
///
/// </summary>
/// <param name="left"></param>
/// <param name="right"></param>
/// <param name="resultSelector"></param>
/// <typeparam name="TLeft"></typeparam>
/// <typeparam name="TRight"></typeparam>
/// <typeparam name="TResult"></typeparam>
/// <returns></returns>
public static BStreamable <TResult> Join <TLeft, TRight, TResult>(
this BStreamable <TLeft> left,
BStreamable <TRight> right,
Func <TLeft, TRight, TResult> resultSelector
)
{
Invariant.IsNotNull(left, nameof(left));
Invariant.IsNotNull(right, nameof(right));
return(new JoinBStream <TLeft, TRight, TResult>(left, right, resultSelector));
}
/// <summary>
///
/// </summary>
public WhereBStream(BStreamable <TPayload> stream, Func <TPayload, bool> filter)
: base(stream, stream.Period, stream.Offset)
{
Filter = filter;
}
/// <summary>
///
/// </summary>
public TumblingWindowBStream(BStreamable <TPayload> stream, long window, long offset)
: base(stream, window, offset)
{
Window = window;
}
/// <summary>
///
/// </summary>
public UnaryBStream(BStreamable <TInput> stream, long period, long offset) : base(period, offset)
{
Stream = stream;
}
/// <summary>
///
/// </summary>
/// <param name="left"></param>
/// <param name="right"></param>
/// <param name="joiner"></param>
public JoinBStream(BStreamable <TLeft> left, BStreamable <TRight> right, Func <TLeft, TRight, TResult> joiner)
: base(left, right, left.Period, left.Offset)
{
Joiner = joiner;
}
/// <summary>
///
/// </summary>
public SelectBStream(BStreamable <TInput> stream, Func <TInput, TOutput> select)
: base(stream, stream.Period, stream.Offset)
{
Select = select;
}
/// <summary>
///
/// </summary>
public BinaryBStream(BStreamable <TLeft> left, BStreamable <TRight> right, long period, long offset)
: base(period, offset)
{
Left = left;
Right = right;
}
