public static TableInfo GetInstance(DataConnectionSpec dcs)
{
if (dcs == null)
{
return(new MySqlTableInfo(null));
}
DataVendor vendor = DataManager.GetVendor(dcs);
switch (vendor)
{
case DataVendor.MySql:
return(new MySqlTableInfo(dcs));
case DataVendor.SqlServer:
return(new SqlServerTableInfo(dcs));
case DataVendor.Oracle:
return(new OracleTableInfo(dcs));
case DataVendor.PostgreSql:
return(new PostgreSqlTableInfo(dcs));
}
throw new NotImplementedException(getDisplayMember("GetInstance", "TableInfo class for {0} is not mapped through TableInfo.GetInstance().", vendor.ToString()));
}
public static ConstraintInfo GetInstance(TableInfo parent)
{
DataVendor vendor = DataManager.GetVendor(parent.DataConnectionSpec);
switch (vendor)
{
case DataVendor.MySql:
return(new MySqlConstraintInfo(parent));
case DataVendor.SqlServer:
return(new SqlServerConstraintInfo(parent));
case DataVendor.Oracle:
return(new OracleConstraintInfo(parent));
case DataVendor.PostgreSql:
return(new PostgreSqlConstraintInfo(parent));
}
throw new NotImplementedException(getDisplayMember("GetInstance", "ConstraintInfo class for {0} is not mapped through ConstraintInfo.GetInstance().", vendor.ToString()));
}
private static ADataLoader GetDataLoader(DataVendor vendor, ADBInstance instance)
{
switch (vendor)
{
case DataVendor.CaiHui:
return(new DataLoaderCH(instance));
case DataVendor.Wind:
throw new NotImplementedException();
case DataVendor.JuYuan:
throw new NotImplementedException();
case DataVendor.DZH:
throw new NotImplementedException();
case DataVendor.ZhaoYang:
throw new NotImplementedException();
default:
throw new NotImplementedException();
}
}
public static void Initiate(DataVendor vendor, DatabaseType type, string conn)
{
ADBInstance db = GetDBInstance(type, conn);
_DataLoader = GetDataLoader(vendor, db);
}