using System;using System.Collections.Generic;using System.Linq;using System.Text;using WindowsFormsApplication3.Model;using WindowsFormsApplication3.Enums;using WindowsFormsApplication3.DataStorge;namespace WindowsFormsApplication3.Jobs{    public class BaseJob    {        public delegate void JobStateChangeHanlder();        public event JobStateChangeHanlder JobStateChangeEvent;        public void ReportJobStateChange()        {            if (JobStateChangeEvent != null)            {                JobStateChangeEvent();            }        }        public virtual string Action {            get { return string.Empty; }        }        protected CheckoutContext checkoutContext;        protected CheckoutStep checkoutStep;        protected CheckoutContext step;        public CheckoutContext Step {            get { return step; }        }        protected string message;        public string Message {            get { return message; }        }        protected JobStatus status;        public JobStatus Status {            get { return status; }        }        public BaseJob(CheckoutContext checkoutContext, CheckoutStep checkoutStep) {            this.checkoutContext = checkoutContext;            this.checkoutStep = checkoutStep;            Reset();        }        public virtual void Execute(object _stateInfo)        {            message = string.Empty;            status = JobStatus.Processing;        }        public virtual void Reset() {            message = string.Empty;            status = JobStatus.Waiting;        }    }}