public static bool IsAccumulator(this AstUnaryOperator @operator, out AstAccumulatorOperator accumulatorOperator)
{
switch (@operator)
{
case AstUnaryOperator.AddToSet: accumulatorOperator = AstAccumulatorOperator.AddToSet; return(true);
case AstUnaryOperator.Avg: accumulatorOperator = AstAccumulatorOperator.Avg; return(true);
case AstUnaryOperator.First: accumulatorOperator = AstAccumulatorOperator.First; return(true);
case AstUnaryOperator.Last: accumulatorOperator = AstAccumulatorOperator.Last; return(true);
case AstUnaryOperator.Max: accumulatorOperator = AstAccumulatorOperator.Max; return(true);
case AstUnaryOperator.Min: accumulatorOperator = AstAccumulatorOperator.Min; return(true);
case AstUnaryOperator.Push: accumulatorOperator = AstAccumulatorOperator.Push; return(true);
case AstUnaryOperator.StdDevPop: accumulatorOperator = AstAccumulatorOperator.StdDevPop; return(true);
case AstUnaryOperator.StdDevSamp: accumulatorOperator = AstAccumulatorOperator.StdDevSamp; return(true);
case AstUnaryOperator.Sum: accumulatorOperator = AstAccumulatorOperator.Sum; return(true);
default: accumulatorOperator = default; return(false);
}
}
private static bool IsStandardDeviationMethod(MethodInfo methodInfo, out AstUnaryOperator stddevOperator)
{
if (methodInfo.DeclaringType == typeof(MongoEnumerable))
{
switch (methodInfo.Name)
{
case "StandardDeviationPopulation": stddevOperator = AstUnaryOperator.StdDevPop; return(true);
case "StandardDeviationSample": stddevOperator = AstUnaryOperator.StdDevSamp; return(true);
}
}
stddevOperator = default;
return(false);
}
public static string Render(this AstUnaryOperator @operator)
{
return(@operator switch
{
AstUnaryOperator.Abs => "$abs",
AstUnaryOperator.ACos => "$acos",
AstUnaryOperator.ACosh => "$acosh",
AstUnaryOperator.AddToSet => "$addToSet",
AstUnaryOperator.AllElementsTrue => "$allElementsTrue",
AstUnaryOperator.AnyElementTrue => "$anyElementTrue",
AstUnaryOperator.ArrayToObject => "$arrayToObject",
AstUnaryOperator.ASin => "$asin",
AstUnaryOperator.ASinh => "$asinh",
AstUnaryOperator.ATan => "$atan",
AstUnaryOperator.ATanh => "$atanh",
AstUnaryOperator.Avg => "$avg",
AstUnaryOperator.BinarySize => "$binarySize",
AstUnaryOperator.BsonSize => "$bsonSize",
AstUnaryOperator.Ceil => "$ceil",
AstUnaryOperator.Cos => "$cos",
AstUnaryOperator.DegreesToRadians => "$degreesToRadians",
AstUnaryOperator.Exp => "$exp",
AstUnaryOperator.First => "$first",
AstUnaryOperator.Floor => "$floor",
AstUnaryOperator.IsArray => "$isArray",
AstUnaryOperator.IsNumber => "$isNumber",
AstUnaryOperator.Last => "$last",
AstUnaryOperator.Literal => "$literal",
AstUnaryOperator.Ln => "$ln",
AstUnaryOperator.Log10 => "$log10",
AstUnaryOperator.Max => "$max",
AstUnaryOperator.MergeObjects => "$mergeObjects",
AstUnaryOperator.Meta => "$meta",
AstUnaryOperator.Min => "$min",
AstUnaryOperator.Not => "$not",
AstUnaryOperator.ObjectToArray => "$objectToArray",
AstUnaryOperator.Push => "$push",
AstUnaryOperator.RadiansToDegrees => "$radiansToDegrees",
AstUnaryOperator.ReverseArray => "$reverseArray",
AstUnaryOperator.Round => "$round",
AstUnaryOperator.Sin => "$sin",
AstUnaryOperator.Size => "$size",
AstUnaryOperator.Sqrt => "$sqrt",
AstUnaryOperator.StdDevPop => "$stdDevPop",
AstUnaryOperator.StdDevSamp => "$stdDevSamp",
AstUnaryOperator.StrLenBytes => "$strLenBytes",
AstUnaryOperator.StrLenCP => "$strLenCP",
AstUnaryOperator.Sum => "$sum",
AstUnaryOperator.Tan => "$tan",
AstUnaryOperator.ToBool => "$toBool",
AstUnaryOperator.ToDate => "$toDate",
AstUnaryOperator.ToDecimal => "$toDecimal",
AstUnaryOperator.ToDouble => "$toDouble",
AstUnaryOperator.ToInt => "$toInt",
AstUnaryOperator.ToLong => "$toLong",
AstUnaryOperator.ToLower => "$toLower",
AstUnaryOperator.ToObjectId => "$toObjectId",
AstUnaryOperator.ToString => "$toString",
AstUnaryOperator.ToUpper => "$toUpper",
AstUnaryOperator.Trunc => "$trunc",
AstUnaryOperator.Type => "$type",
_ => throw new InvalidOperationException($"Unexpected unary operator: {@operator}.")
});
public AstUnaryExpression(AstUnaryOperator @operator, AstExpression arg)
{
_operator = @operator;
_arg = Ensure.IsNotNull(arg, nameof(arg));
}
