desktop-edge-win/ZitiUpdateService/checkers/UpdateCheckers.cs

using System;
using System.IO;

using NLog;

namespace ZitiUpdateService.checkers {

    abstract class UpdateCheck {
        public abstract int IsUpdateAvailable(Version current);
        public abstract string FileName();
        public abstract void CopyUpdatePackage(string destinationFolder, string destinationName);
        public abstract bool AlreadyDownloaded(string destinationFolder, string destinationName);
        public abstract bool HashIsValid(string destinationFolder, string destinationName);
        public abstract Version GetNextVersion();
    }
}