/////////////////////////////////////////////////////////////////////////////
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// File Description : 业务逻辑层基类
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// Copyright : Han He
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// -------------------------------------------------------------------------
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// Date Created : Mar 26, 2009
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// Author : jiangxinjun
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// -------------------------------------------------------------------------
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// Change History
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// ~~~~~~~~~~~~~~
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// Date Modified :
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// Changed By :
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// Change Description :
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//
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/////////////////////////////////////////////////////////////////////////////
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using System;
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using System.Collections.Generic;
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using System.Text;
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using HH.WMS.CoreServer.DAL;
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namespace HH.WMS.CoreServer.BLL
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{
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/// <summary>
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/// 业务逻辑层基类
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/// </summary>
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public abstract class BaseBLL
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{
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private Dictionary<Type, object> cacheInstance;
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internal Dictionary<Type, object> CacheInstance
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{
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get
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{
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if (cacheInstance == null)
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{
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cacheInstance = new Dictionary<Type, object>();
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}
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return cacheInstance;
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}
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}
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internal T CreateDAL<T>()
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where T : BaseDAL, new()
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{
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return CreateDAL<T>(true);
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}
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internal T CreateDAL<T>(bool isUseCache)
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where T : BaseDAL, new()
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{
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if (!isUseCache)
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{
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return DAOManager.Create<T>();
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}
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Type type = typeof(T);
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if (!CacheInstance.ContainsKey(type))
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{
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CacheInstance.Add(type, DAOManager.Create<T>());
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}
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return CacheInstance[type] as T;
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}
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}
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}
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