MES_Client/TGMES/Core.StlMes.Client.Sale.DbHelp/DbBase.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using CoreFS.CA06;
using System.Data;
using System.Collections;
namespace Core.StlMes.Client.Sale.DbHelp
{
    // Core.StlMes.Client.Sale.Common.FrmStyleBase.FrmStyleBase 中初始化ob
   public class DbBase
    {
       private CoreFS.CA06.OpeBase _OpenBase = null;
       private  static DbBase dbBase = null;
       private static object _lock = new object();

      

       public DbBase()
       {
       }
       public OpeBase OpenBase
       {
           get
           {
               return this._OpenBase;
           }
           set
           {
               if(value != null && (_OpenBase == null || _OpenBase.MainUrl != value.MainUrl) )
               {
                   this._OpenBase = value;
               }
           }
       }

       public   static DbBase GetInstance()
       {
           
           if(dbBase == null)
           {
               lock(_lock)
               {
                   if(dbBase == null)
                   {
                       dbBase = new DbBase();
                   }

               }
              
           }
           return dbBase;

       }
       
    }
}