public abstract class ClauseFactory
...{
public enum Flag
...{ Insert, Update, Select, Delete,
} public static IClause Create(string table, Flag category) ...{ BaseClause ret = null; switch (category) ...{ case Flag.Insert: ret = new Insert(); break; case Flag.Update: ret = new Update(); break; case Flag.Select: ret = new Select(); break; case Flag.Delete: ret = new Delete(); break; default: break; } if (ret != null) ...{ ret.TableName = table; } return ret; }
}
