using SqlSugar;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using WIDESEAWCS_Core.Const;
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using WIDESEAWCS_Core.DB;
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using WIDESEAWCS_Core.Helper;
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namespace WIDESEAWCS_Core.Seed
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{
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public class DBContext
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{
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private static MutiDBOperate connectObject => GetMainConnectionDb();
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private static string _connectionString = connectObject.Connection;
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private static DbType _dbType = (DbType)connectObject.DbType;
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public static string ConnId = connectObject.ConnId;
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private SqlSugarScope _db;
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/// <summary>
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/// 连接字符串
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/// </summary>
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public static MutiDBOperate GetMainConnectionDb()
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{
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MutiDBOperate mainDb = new MutiDBOperate()
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{
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Connection = AppSettings.app(MainDb.ConnectionString).DecryptDES(AppSecret.DB),
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ConnId = MainDb.CurrentDbConnId,
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DbType = DataBaseType.SqlServer
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};
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return mainDb;
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}
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/// <summary>
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/// 连接字符串
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/// </summary>
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public static string ConnectionString
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{
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get { return _connectionString; }
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set { _connectionString = value; }
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}
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/// <summary>
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/// 数据库类型
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/// </summary>
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public static DbType DbType
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{
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get { return _dbType; }
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set { _dbType = value; }
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}
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/// <summary>
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/// 数据连接对象
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/// </summary>
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public SqlSugarScope Db
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{
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get { return _db; }
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private set { _db = value; }
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}
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//public SqlSugarScope DbClient
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//{
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// get { return _dbClient; }
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// private set { _dbClient = value; }
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//}
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/// <summary>
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/// 功能描述:构造函数
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/// </summary>
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public DBContext(ISqlSugarClient sqlSugarClient)
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{
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if (string.IsNullOrEmpty(_connectionString))
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throw new ArgumentNullException("数据库连接字符串为空");
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_db = sqlSugarClient as SqlSugarScope;
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//_db.Aop.DataExecuting = SqlSugarAop.DataExecuting;
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}
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#region 实例方法
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/// <summary>
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/// 功能描述:获取数据库处理对象
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/// </summary>
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/// <returns>返回值</returns>
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public SimpleClient<T> GetEntityDB<T>() where T : class, new()
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{
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return new SimpleClient<T>(_db);
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}
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/// <summary>
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/// 功能描述:获取数据库处理对象
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/// </summary>
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/// <param name="db">db</param>
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/// <returns>返回值</returns>
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//public SimpleClient<T> GetEntityDB<T>(SqlSugarClient db) where T : class, new()
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//{
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// return new SimpleClient<T>(db);
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//}
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#endregion
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#region 根据实体类生成数据库表
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/// <summary>
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/// 功能描述:根据实体类生成数据库表
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/// </summary>
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/// <param name="blnBackupTable">是否备份表</param>
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/// <param name="lstEntitys">指定的实体</param>
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public void CreateTableByEntity<T>(bool blnBackupTable, params T[] lstEntitys) where T : class, new()
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{
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Type[] lstTypes = null;
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if (lstEntitys != null)
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{
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lstTypes = new Type[lstEntitys.Length];
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for (int i = 0; i < lstEntitys.Length; i++)
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{
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T t = lstEntitys[i];
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lstTypes[i] = typeof(T);
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}
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}
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CreateTableByEntity(blnBackupTable, lstTypes);
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}
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/// <summary>
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/// 功能描述:根据实体类生成数据库表
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/// </summary>
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/// <param name="blnBackupTable">是否备份表</param>
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/// <param name="lstEntitys">指定的实体</param>
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public void CreateTableByEntity(bool blnBackupTable, params Type[] lstEntitys)
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{
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if (blnBackupTable)
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{
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_db.CodeFirst.BackupTable().InitTables(lstEntitys); //change entity backupTable
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}
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else
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{
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_db.CodeFirst.InitTables(lstEntitys);
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}
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}
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#endregion
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#region 静态方法
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///// <summary>
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///// 功能描述:获得一个DbContext
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///// </summary>
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///// <returns></returns>
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//public static MyContext GetDbContext()
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//{
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// return new MyContext();
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//}
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/// <summary>
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/// 功能描述:设置初始化参数
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/// </summary>
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/// <param name="strConnectionString">连接字符串</param>
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/// <param name="enmDbType">数据库类型</param>
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public static void Init(string strConnectionString, DbType enmDbType = SqlSugar.DbType.SqlServer)
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{
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_connectionString = strConnectionString;
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_dbType = enmDbType;
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}
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/// <summary>
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/// 功能描述:创建一个链接配置
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/// </summary>
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/// <param name="blnIsAutoCloseConnection">是否自动关闭连接</param>
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/// <param name="blnIsShardSameThread">是否夸类事务</param>
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/// <returns>ConnectionConfig</returns>
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public static ConnectionConfig GetConnectionConfig(bool blnIsAutoCloseConnection = true, bool blnIsShardSameThread = false)
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{
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ConnectionConfig config = new ConnectionConfig()
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{
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ConnectionString = _connectionString,
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DbType = _dbType,
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IsAutoCloseConnection = blnIsAutoCloseConnection,
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ConfigureExternalServices = new ConfigureExternalServices()
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{
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//DataInfoCacheService = new HttpRuntimeCache()
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},
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//IsShardSameThread = blnIsShardSameThread
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};
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return config;
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}
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/// <summary>
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/// 功能描述:获取一个自定义的DB
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/// </summary>
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/// <param name="config">config</param>
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/// <returns>返回值</returns>
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public static SqlSugarScope GetCustomDB(ConnectionConfig config)
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{
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return new SqlSugarScope(config);
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}
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/// <summary>
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/// 功能描述:获取一个自定义的数据库处理对象
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/// </summary>
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/// <param name="sugarClient">sugarClient</param>
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/// <returns>返回值</returns>
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//public static SqlSugarScope<T> GetCustomEntityDB<T>(SqlSugarScope sugarClient) where T : class, new()
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//{
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// return new SqlSugarScope<T>(sugarClient);
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//}
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/// <summary>
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/// 功能描述:获取一个自定义的数据库处理对象
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/// </summary>
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/// <param name="config">config</param>
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/// <returns>返回值</returns>
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//public static SimpleClient<T> GetCustomEntityDB<T>(ConnectionConfig config) where T : class, new()
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//{
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// SqlSugarScope sugarClient = GetCustomDB(config);
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// return GetCustomEntityDB<T>(sugarClient);
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//}
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#endregion
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}
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}
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