public static RangeSeries <TKey, TValue, MapValuesSeries <TKey, TSource, TValue, TCursor> > Range <TKey, TSource, TValue, TCursor>(
this MapValuesSeries <TKey, TSource, TValue, TCursor> series,
TKey startKey, TKey endKey, bool startInclusive, bool endInclusive)
where TCursor : ICursor <TKey, TSource>
{
return(new RangeSeries <TKey, TValue, MapValuesSeries <TKey, TSource, TValue, TCursor> >(series,
new Opt <TKey>(startKey), new Opt <TKey>(endKey), startInclusive, endInclusive));
}
/// <inheritdoc />
public override MapValuesSeries <TKey, TValue, TResult, TCursor> Create()
{
if (State == CursorState.None && ThreadId == Environment.CurrentManagedThreadId)
{
State = CursorState.Initialized;
return(this);
}
var clone = new MapValuesSeries <TKey, TValue, TResult, TCursor>(_series, _selector);
clone.State = CursorState.Initialized;
return(clone);
}
/// <inheritdoc />
public override MapValuesSeries <TKey, TValue, TResult, TCursor> Initialize()
{
if (State == CursorState.None && ThreadId == Environment.CurrentManagedThreadId)
{
_cursor = GetCursor <TKey, TValue, TCursor>(_series);
State = CursorState.Initialized;
return(this);
}
var clone = new MapValuesSeries <TKey, TValue, TResult, TCursor>(_series, _selector);
// NB recursive call but it should always hit the if case above
var initialized = clone.Initialize();
Debug.Assert(ReferenceEquals(clone, initialized));
return(initialized);
}
public static MapValuesSeries <TKey, TSource, TResult, TCursor> Map <TKey, TSource, TValue, TResult, TCursor>(
this MapValuesSeries <TKey, TSource, TValue, TCursor> series, Func <TValue, TResult> selector)
where TCursor : ICursor <TKey, TSource>
{
return(new MapValuesSeries <TKey, TSource, TResult, TCursor>(series._series, CoreUtils.CombineMaps(series._selector, selector)));
}