public sealed class DataAccessFactory
{
private DataAccessFactory(){}
private static PersistenceProperty defaultPersistenceProperty;
public static PersistenceProperty DefaultPersistenceProperty
{
get{return defaultPersistenceProperty;}
set{defaultPersistenceProperty=value;}
}
public static DataAccess CreateDataAccess(PersistenceProperty pp)
{
DataAccess dataAccess;
switch(pp.DatabaseType)
{
case(DatabaseType.MSSQLServer):
dataAccess = new MSSqlDataAccess(pp.ConnectionString);
break;
case(DatabaseType.Oracle):
dataAccess = new OracleDataAccess(pp.ConnectionString);
break;
case(DatabaseType.OleDBSupported):
dataAccess = new OleDbDataAccess(pp.ConnectionString);
break;
default:
dataAccess=new MSSqlDataAccess(pp.ConnectionString);
break;
}
return dataAccess;
}
public static DataAccess CreateDataAccess()
{
return CreateDataAccess(defaultPersistenceProperty);
}
} |