public bool Intersects(SmallDateInterval other)
{
var start = ElementPair.Max(Start, other.Start);
var end = ElementPair.Min(End, other.End);
var intersects = start <= end;
return(intersects);
}
public SmallDateInterval?Intersect(SmallDateInterval other)
{
var start = ElementPair.Max(Start, other.Start);
var end = ElementPair.Min(End, other.End);
var intersects = start <= end;
return(intersects
? new SmallDateInterval(start, end)
: (SmallDateInterval?)null);
}
public static bool Meets(this SmallDateInterval x, SmallDateInterval y) => x.End.AddDays(1) == y.Start;
public static bool Before(this SmallDateInterval x, SmallDateInterval y) => x.End < y.Start;
public static TemporalIntervalRelation GetTemporalIntervalRelation(this SmallDateInterval x, SmallDateInterval y)
{
TemporalIntervalRelation relation;
if (x.Before(y))
{
relation = TemporalIntervalRelation.Before;
}
else if (x.Meets(y))
{
relation = TemporalIntervalRelation.Meets;
}
else if (x.Overlaps(y))
{
relation = TemporalIntervalRelation.Overlaps;
}
else if (x.Starts(y))
{
relation = TemporalIntervalRelation.Starts;
}
else if (x.During(y))
{
relation = TemporalIntervalRelation.During;
}
else if (x.Finishes(y))
{
relation = TemporalIntervalRelation.Finishes;
}
else if (x.Equal(y))
{
relation = TemporalIntervalRelation.Equal;
}
else if (x.After(y))
{
relation = TemporalIntervalRelation.After;
}
else if (x.MetBy(y))
{
relation = TemporalIntervalRelation.MetBy;
}
else if (x.OverlappedBy(y))
{
relation = TemporalIntervalRelation.OverlappedBy;
}
else if (x.StartedBy(y))
{
relation = TemporalIntervalRelation.StartedBy;
}
else if (x.Contains(y))
{
relation = TemporalIntervalRelation.Contains;
}
else if (x.FinishedBy(y))
{
relation = TemporalIntervalRelation.FinishedBy;
}
else
{
throw new InvalidOperationException();
}
return(relation);
}
public static bool FinishedBy(this SmallDateInterval x, SmallDateInterval y) => y.Finishes(x);
public static bool Contains(this SmallDateInterval x, SmallDateInterval y) => y.During(x);
public static bool StartedBy(this SmallDateInterval x, SmallDateInterval y) => y.Starts(x);
public bool Contains(SmallDateInterval other)
{
var contains = Start.Value <= other.Start.Value && other.End.Value <= End.Value;
return(contains);
}
public static bool MetBy(this SmallDateInterval x, SmallDateInterval y) => y.Meets(x);
public static bool After(this SmallDateInterval x, SmallDateInterval y) => y.Before(x);
public static bool Equal(this SmallDateInterval x, SmallDateInterval y) => x.Start == y.Start && x.End == y.End;
public static bool Finishes(this SmallDateInterval x, SmallDateInterval y) => y.Start < x.Start && x.End == y.End;
public static bool During(this SmallDateInterval x, SmallDateInterval y) => y.Start < x.Start && x.End < y.End;
public static bool Overlaps(this SmallDateInterval x, SmallDateInterval y) => x.Start < y.Start && y.Start <= x.End && x.End < y.End;
public static bool OverlappedBy(this SmallDateInterval x, SmallDateInterval y) => y.Overlaps(x);
public static bool Starts(this SmallDateInterval x, SmallDateInterval y) => x.Start == y.Start && x.End < y.End;
public bool In(SmallDateInterval interval) => interval.Start._value <= _value && _value <= interval.End._value;