/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：OperationInvoker_T.cs
 *      2.功能描述：服务操作者
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      陈晓野          2014/08/13          1.00            新建
 *******************************************************************************/

using System;
using System.ServiceModel;

using Dongke.IBOSS.PRD.Basics.Library;

namespace Dongke.IBOSS.PRD.WCF.Proxys.ServiceProxy
{
    /// <summary>
    /// 服务操作者
    /// </summary>
    /// <typeparam name="TChannel"></typeparam>
    public class OperationInvoker<TChannel> : OperationInvoker
    {
        /// <summary>
        /// 终点名
        /// </summary>
        public string EndpointName
        {
            get;
            private set;
        }

        /// <summary>
        /// 服务操作者
        /// </summary>
        /// <param name="endpointName"></param>
        public OperationInvoker(string endpointName)
        {
            this.EndpointName = endpointName;
        }

        /// <summary>
        /// 执行
        /// </summary>
        /// <param name="serviceInvocation"></param>
		/// <param name="timeout">超时（分钟）</param>
		public void Invoke(Action<TChannel> serviceInvocation, double timeout = 0)
		{
			ChannelFactory<TChannel> channelFactory = ChannelFactories.GetFactory<TChannel>(this.EndpointName);
			TChannel channel = channelFactory.CreateChannel();

			IContextChannel icc = channel as IContextChannel;
			if (icc != null)
			{
                if (timeout > 0)
                {
                    icc.OperationTimeout = TimeSpan.FromMinutes(timeout);
                }
                else
                {
                    // 不能大于24天，否则异常。
                    icc.OperationTimeout = TimeSpan.FromDays(20);
                }
			}

			Invoke(serviceInvocation, channel);
		}

        /// <summary>
        /// 执行
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
		/// <param name="serviceInvocation"></param>
		/// <param name="timeout">超时（分钟）</param>
        /// <returns></returns>
		public TResult Invoke<TResult>(Func<TChannel, TResult> serviceInvocation, double timeout = 0)
        {
            ChannelFactory<TChannel> channelFactory = ChannelFactories.GetFactory<TChannel>(this.EndpointName);
            TChannel channel = channelFactory.CreateChannel();

			IContextChannel icc = channel as IContextChannel;
			if (icc != null)
            {
                if (timeout > 0)
                {
                    icc.OperationTimeout = TimeSpan.FromMinutes(timeout);
                }
                else
                {
                    // 不能大于24天，否则异常。
                    icc.OperationTimeout = TimeSpan.FromDays(20);
                }
			}

            return Invoke(serviceInvocation, channel);
        }
    }
}