public static IRepositoryDAL <T> CreateDAL <T>(DALType type)
{
switch (type)
{
case DALType.ADOSQL:
IRepositoryDAL <CustomerDbObject> adoSql = new CustomerSQLDAL(GlobalConnectionString.ConnString);
adoSql.SetUnitWork(new SQLUnitOfWork(GlobalConnectionString.ConnString));
IRepositoryDAL <T> valSQL = adoSql as IRepositoryDAL <T>; // here cast T into AbsSimpleCustomerInfo. Bad idea
if (valSQL == null)
{
throw new ArgumentNullException("Cannot convert IRepositoryDAL<CustomerDbObject> to IRepositoryDAL<T>");
}
return(valSQL);
case DALType.ADOOLEDB:
IRepositoryDAL <CustomerDbObject> adoOleDb = new CustomerOLEDAL(GlobalConnectionString.ConnString);
adoOleDb.SetUnitWork(new OLEUnitIOfWork(GlobalConnectionString.ConnString));
IRepositoryDAL <T> valOleDb = adoOleDb as IRepositoryDAL <T>;
if (valOleDb == null)
{
throw new ArgumentNullException("Cannot convert IRepositoryDAL<CustomerDbObject> to IRepositoryDAL<T>");
}
return(valOleDb);
case DALType.EF:
CustomerEFDAL ef = new CustomerEFDAL(GlobalConnectionString.ConnString);
ef.SetUnitWork(new EFUnitOfWork(GlobalConnectionString.ConnString));
IRepositoryDAL <T> valEF = ef as IRepositoryDAL <T>;
if (valEF == null)
{
throw new ArgumentNullException("Cannot convert IRepositoryDAL<CustomerDbObject> to IRepositoryDAL<T>");
}
return(valEF);
default:
throw new ArgumentException("Don't know what type of DALType");
}
}
public static IRepositoryDAL <CustomerDbObject> CreateCustomerDAL(DALType type)
{
switch (type)
{
case DALType.ADOSQL:
CustomerSQLDAL sqlDAL = new CustomerSQLDAL(GlobalConnectionString.ConnString);
//sqlDAL.SetUnitWork(new SQLUnitOfWork(GlobalConnectionString.ConnString));
return(sqlDAL);
case DALType.ADOOLEDB:
CustomerOLEDAL oleDAL = new CustomerOLEDAL(GlobalConnectionString.ConnString);
//oleDAL.SetUnitWork(new OLEUnitIOfWork(GlobalConnectionString.ConnString));
return(oleDAL);
case DALType.EF:
CustomerEFDAL efDal = new CustomerEFDAL(GlobalConnectionString.ConnString);
//efDal.SetUnitWork(new EFUnitOfWork(GlobalConnectionString.ConnString));
return(efDal);
default:
throw new ArgumentException("Don't know what type of DALType");
}
}