public DateMathExpression(Union <DateTime, string> anchor, Time range, DateMathOperation operation)
{
anchor.ThrowIfNull(nameof(anchor));
range.ThrowIfNull(nameof(range));
operation.ThrowIfNull(nameof(operation));
this.Anchor = anchor;
Self.Ranges.Add(Tuple.Create(operation, range));
}
public DateMathExpression(Union<DateTime, string> anchor, Time range, DateMathOperation operation)
{
anchor.ThrowIfNull(nameof(anchor));
range.ThrowIfNull(nameof(range));
operation.ThrowIfNull(nameof(operation));
this.Anchor = anchor;
Self.Ranges.Add(Tuple.Create(operation, range));
}
public static string GetStringValue(this DateMathOperation value)
{
switch (value)
{
case DateMathOperation.Add:
return("+");
case DateMathOperation.Subtract:
return("-");
default:
throw new ArgumentOutOfRangeException(nameof(value), value, null);
}
}
public DateMathExpression Operation(Time expression, DateMathOperation operation)
{
Self.Ranges.Add(Tuple.Create(operation, expression));
return(this);
}
public DateMathExpression Operation(Time expression, DateMathOperation operation)
{
Self.Ranges.Add(Tuple.Create(operation, expression));
return this;
}