using System;

using System.Globalization;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        RecordData dict = new RecordData();

        dict.SetData("str", "text");

        dict.SetData("int", 99);

        dict.SetData("long", 1234567890987654321);

        dict.SetData("object", new BaseData("123", "abc"));

        foreach (string key in dict.Keys)

        {

            Console.WriteLine("{0}: {1} | {2}", key, dict.GetData(key), dict.GetData(key).GetType());

        }

    }

​

    private class RecordData

    {

        private Dictionary<string, object> dict = new Dictionary<string, object>();

        public int Count { get => dict.Count; }

​

        public ICollection<string> Keys { get => dict.Keys; }

​

        public void SetData(string key, object value)

        {

            if (dict.ContainsKey(key))

                dict[key] = value;

            else

                dict.Add(key, value);

        }

​

        public object GetData(string key) => dict.ContainsKey(key) ? dict[key] : null;

        public string GetStringData(string key) => dict.ContainsKey(key) ? dict[key].ToString() : "";

        public int GetIntData(string key)

        {

            int num = 0;

            if (dict.ContainsKey(key))

                int.TryParse(dict[key].ToString(), out num);

            return num;

        }

​

        public long GetLongData(string key)

        {

            long num = 0;

            if (dict.ContainsKey(key))

                long.TryParse(dict[key].ToString(), out num);

            return num;

        }

    }

​

    public class BaseData

    {

        public string id = "";

        public string name = "";

        public BaseData(string id, string name)

        {

            this.name = name;

            this.id = id;

        }

    }

}