/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <param name="filter"></param>
public WhereFWindow(FWindowable <TPayload> input, Expression <Func <TPayload, bool> > filter)
: base(input, input.Size, input.Period, input.Offset, input.Duration)
{
_filter = filter.Compile();
_Payload = Input.Payload as FSubWindow <TPayload>;
_Sync = Input.Sync as FSubWindow <long>;
_Other = Input.Other as FSubWindow <long>;
_BV = new BVFSubWindow(Length);
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <param name="aggregate"></param>
/// <param name="window"></param>
public TumblingAggregateFWindow(
FWindowable <TPayload> input,
IAggregate <TPayload, TAggState, TResult> aggregate,
long window
) : base(input, input.Size, window, input.Offset, window)
{
Invariant.IsTrue(input.Size % window == 0, "Input size need to be a multiple of window");
_window = window;
_aggregate = aggregate;
_init = _aggregate.InitialState().Compile();
_acc = _aggregate.Accumulate().Compile();
_res = _aggregate.ComputeResult().Compile();
_BV = new BVFSubWindow(Length);
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <param name="aggregate"></param>
/// <param name="window"></param>
/// <param name="period"></param>
public HoppingAggregateFWindow(
FWindowable <TPayload> input,
IAggregate <TPayload, TAggState, TResult> aggregate,
long window, long period
) : base(input, input.Size, period, input.Offset, period)
{
Invariant.IsTrue(period % Input.Period == 0, "Period must be a multiple of input period");
Invariant.IsTrue(window % period == 0, "Window must be a multiple of period");
_window = window;
_aggregate = aggregate;
_init = _aggregate.InitialState().Compile();
_acc = _aggregate.Accumulate().Compile();
_diff = aggregate.Difference().Compile();
_res = _aggregate.ComputeResult().Compile();
_states = new TAggState[(window / period) + 1];
_idx = -1;
_BV = new BVFSubWindow(Length);
}
