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

namespace DTS.DASLib.Command
{
    public enum CommandStatus
    {
        Success,
        Failure,
        Canceled
    }

    public enum CommandErrorReason
    {
        SendFailed,
        ReceiveFailed,
        InvalidMode,
        Canceled
    }

    public class CommandException : ApplicationException
    {
        public CommandErrorReason Error { get; set; }

        public CommandException(CommandErrorReason _err)
        {
            Error = _err;
        }

        public CommandException(CommandErrorReason _err, string msg)
            : base(msg)
        {
            Error = _err;
        }
    }

    public enum CommandReceiveAction
    {
        StopReceiving,
        ContinueReceiving
    }

    public interface ICommandReport
    {
        object CallbackObject { get; set; }
        CommandStatus Status { get; set; }
    }

    public delegate CommandReceiveAction CommandCallback(ICommandReport report);

    public interface ICommand
    {
        void Execute(CommandCallback Callback,
                     object CallbackObject);
        void SyncExecute();
    }
}