using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace OnlineStore.DeviceLibrary.bean
{

    public abstract class IStep
    {
        protected RunStepInfo runStepInfo;
        protected string msg = "";
        protected IStep preStep;
        public string Msg
        {
            get { return msg; }
            set
            {
                if (!string.IsNullOrEmpty(value))
                {
                    if (!value.Equals(msg))
                    {
                        Common.LogUtil.info(msg);
                        msg = value;
                    }
                }

            }
        }
        public IStep(RunStepInfo runStepInfo)
        {
            this.runStepInfo = runStepInfo;
        }
        /// <summary>
        /// 执行该步骤
        /// </summary>
        public abstract void Execute();
        /// <summary>
        /// 进行下一步骤
        /// </summary>
        public virtual void ToNextStep(IStep nextStep) 
        {
            preStep = runStepInfo.Step;
            runStepInfo.Step = nextStep;
        }
        /// <summary>
        /// 结束流程
        /// </summary>
        public virtual void EndStep() 
        {
            runStepInfo.Step = runStepInfo.S1;
        }
        /// <summary>
        /// 检查该步骤是否完成
        /// </summary>
        /// <returns></returns>
        public abstract bool IsFinished();
    }
}