vStationURM/Tools/Vinno.vCloud.Disk/Database/SqlExecute.cs

using System.Linq;
using System.Collections.Generic;
using SQLite;

namespace Vinno.vCloud.Disk.Database
{
    public class SqlExecute
    {
        private static object locker = new object();
        private static SQLiteConnection _sQLiteConnection;
        public static SQLiteConnection DB {
            get
            {
                if (_sQLiteConnection == null || _sQLiteConnection.Handle.IsClosed)
                {
                    lock (locker)
                    {
                        var helper = SqliteConnection.GetHelper();
                        _sQLiteConnection = helper.DB;
                    }
                }
                return _sQLiteConnection;
            }
        }
    }
}