MedicalInsurance/Helper/InvokeCenterFactory.cs

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

namespace PTMedicalInsurance.Helper
{
    class InvokeCenterFactory
    {
        private static IInvokeCenter __invoker = null;
        private static object lockObject = new object();

        /// <summary>
        /// 创建调用模式
        /// </summary>
        /// <returns></returns>
        public static IInvokeCenter create(ModeEnum mode)
        {
            if (__invoker != null) return __invoker;

            lock(lockObject)
            {
                switch (mode)
                {
                    case ModeEnum.DLL:
                        __invoker = new InvokeDllCenter();
                        break;
                    case ModeEnum.COM:
                        __invoker = new InvokeOcxCenter();
                        break;
                    case ModeEnum.REST:
                    default:
                        __invoker = new InvokeRestCenter();
                        break;
                }
            }
            return __invoker;
            
        }


    }
}