MongoDB.Bson.Serialization.Serializers.TimeSpanSerializer.Deserialize C# (CSharp) Метод

        public override object Deserialize(
            BsonReader bsonReader,
            Type nominalType,
            Type actualType,
            IBsonSerializationOptions options)
        {
            VerifyTypes(nominalType, actualType, typeof(TimeSpan));

            // support RepresentationSerializationOptions for backward compatibility
            var representationSerializationOptions = options as RepresentationSerializationOptions;
            if (representationSerializationOptions != null)
            {
                options = new TimeSpanSerializationOptions(representationSerializationOptions.Representation);
            }
            var timeSpanSerializationOptions = EnsureSerializationOptions<TimeSpanSerializationOptions>(options);

            BsonType bsonType = bsonReader.GetCurrentBsonType();
            switch (bsonType)
            {
                case BsonType.Double:
                    return FromDouble(bsonReader.ReadDouble(), timeSpanSerializationOptions.Units);
                case BsonType.Int32:
                    return FromInt32(bsonReader.ReadInt32(), timeSpanSerializationOptions.Units);
                case BsonType.Int64:
                    return FromInt64(bsonReader.ReadInt64(), timeSpanSerializationOptions.Units);
                case BsonType.String:
                    return TimeSpan.Parse(bsonReader.ReadString()); // not XmlConvert.ToTimeSpan (we're using .NET's format for TimeSpan)
                default:
                    var message = string.Format("Cannot deserialize TimeSpan from BsonType {0}.", bsonType);
                    throw new Exception(message);
            }
        }