using System;
using System.Collections.Generic;
using System.Text;

namespace HotelPms.Share.Util
{
    /// ****************************** Description *******************************
    /// žƒVƒXƒeƒ€–¼Ì
    /// @”Ä—pƒNƒ‰ƒX
    /// žŠT—v
    /// @ƒVƒXƒeƒ€‹¤’ʕϐ”Ši”[—p
    /// ž—š—ð
    /// @20070803  ¬–؁@Ÿ—´    V‹Kì¬
    /// ****************************** Declarations ******************************
    public class SystemStorage
    {
		private static SystemStorage? systemStorage; 
		private Dictionary<string,object> dictionary; 

		public SystemStorage()
		{
            dictionary = new Dictionary<string, object>(); 
		}

        ~SystemStorage()
		{
            dictionary.Clear();
		}

        public static SystemStorage Instance() 
		{
            if (systemStorage == null) 
			{
                systemStorage = new SystemStorage();
			}
            return systemStorage; 
		} 

		public void SetItem(string key, object value) 
		{
            dictionary.Add(key, value); 
		}

        public bool ContainsKey(string key)
        {
            return dictionary.ContainsKey(key);
        }

		public object GetItem(string key) 
		{
            return dictionary[key]; 
		}

        public void ReMoveItem(string key) 
		{ 
			try 
			{
                dictionary.Remove(key); 
			} 
			catch
			{ 
			} 
		} 

		public void ReMoveAll() 
		{ 
			try 
			{
                dictionary.Clear(); 
			} 
			catch
			{ 
			} 
		} 
    }
}