private static DalBase CreateDalBase(string connNameOrString)
{
//ABCConn
DalBase db = GetDalBaseBy(ConnObject.Create(connNameOrString));
if (!string.IsNullOrEmpty(connNameOrString) && db.ConnObj.Master.ConnName.ToLower() != connNameOrString.ToLower() && connNameOrString.EndsWith("Conn"))//需要切换配置。
{
//Conn A库
//BConn xxx 找不到时，找默认库。
DBResetResult result = db.ChangeDatabase(connNameOrString.Substring(0, connNameOrString.Length - 4));
if (result == DBResetResult.Yes) // 写入缓存
{
db.ConnObj.SaveToCache(connNameOrString);
}
}
return(db);
}
//private const string SqlClient = "System.Data.SqlClient";
//private const string OleDb = "System.Data.OleDb";
//private const string OracleClient = "System.Data.OracleClient";
//private const string SQLiteClient = "System.Data.SQLite";
//private const string MySqlClient = "MySql.Data.MySqlClient";
//private const string SybaseClient = "Sybase.Data.AseClient";
//private const string PostgreClient = "System.Data.NpgSqlClient";
//private const string TxtClient = "CYQ.Data.TxtClient";
//private const string XmlClient = "CYQ.Data.XmlClient";
//private const string XHtmlClient = "CYQ.Data.XHtmlClient";
/// <summary>
/// ¼òµ¥¹¤³§£¨Factory Method£©
/// </summary>
public static DalBase CreateDal(string connNameOrString)
{
//ABCConn
DalBase db = GetDalBaseBy(ConnObject.Create(connNameOrString));
if (db.ConnObj.Master.ConnName != connNameOrString && connNameOrString.EndsWith("Conn"))//ÐèÒªÇл»ÅäÖá£
{
//Conn A¿â
//BConn xxx ÕÒ²»µ½Ê±£¬ÕÒĬÈÏ¿â¡£
DBResetResult result = db.ChangeDatabase(connNameOrString.Substring(0, connNameOrString.Length - 4));
if (result == DBResetResult.Yes) // дÈ뻺´æ
{
db.ConnObj.SaveToCache(connNameOrString);
}
}
return(db);
}
/// <summary>
/// Dispose
/// <para>释放资源</para>
/// </summary>
public void Dispose()
{
hasDisposed = true;
if (dalHelper != null)
{
if (!dalHelper.IsOnExceptionEventNull)
{
dalHelper.OnExceptionEvent -= new DalBase.OnException(helper_OnExceptionEvent);
}
_debugInfo = dalHelper.DebugInfo.ToString();
dalHelper.Dispose();
dalHelper = null;
}
if (_noSqlCommand != null)
{
_noSqlCommand.Dispose();
}
}
/// <summary>
/// 简单工厂（Factory Method）
/// </summary>
public static DalBase CreateDal(string connNameOrString)
{
string key = StaticTool.GetTransationKey(connNameOrString);
//检测是否开启了全局事务;
bool isTrans = DBFast.HasTransation(key);
if (isTrans)
{
if (dalBaseDic.ContainsKey(key))
{
return(dalBaseDic[key]);
}
}
DalBase dal = CreateDalBase(connNameOrString);
if (isTrans)
{
dal.TranLevel = DBFast.GetTransationLevel(key);
dal.IsOpenTrans = true;
dalBaseDic.Add(key, dal);
}
return(dal);
}
private void Init(object procNameOrSql, string conn, bool isClearPara)
{
#region 分析是Sql或者存储过程
if (procNameOrSql != null)
{
if (string.IsNullOrEmpty(conn))
{
if (procNameOrSql is Enum)
{
conn = CrossDB.GetConnByEnum(procNameOrSql as Enum);
}
if (string.IsNullOrEmpty(conn) && !string.IsNullOrEmpty(ConnName))
{
conn = ConnName;
}
}
if (procNameOrSql is String)
{
string fixName;
conn = CrossDB.GetConn(procNameOrSql.ToString(), out fixName, conn);
}
_procName = procNameOrSql.ToString().Trim();
_isProc = _procName.IndexOf(' ') == -1;//不包含空格
if (string.IsNullOrEmpty(conn) && dalHelper == null)
{
conn = AppConfig.DB.DefaultConn;
}
}
#endregion
DalBase dalBase = null;
if (conn != null && dalHelper == null)
{
dalBase = DalCreate.CreateDal(conn);
}
SetDalBase(dalBase, isClearPara);
}
internal MProc(DalBase dalBase)
{
_procName = string.Empty;
SetDalBase(dalBase, false);
}