public IList find(QueryObject qo)
{
try
{
ArrayList array = new ArrayList();
SqlDataReader reader = null;
SqlConnection connection = UnitOfWork.Instance.Connection;
connection.Open();
string sqlStmt =
"SELECT * from Persons WHERE " + qo.ToString();
SqlCommand command = new SqlCommand(sqlStmt, connection);
reader = command.ExecuteReader();
while(reader.Read())
{
array.Add(loadFields(reader));
}
if(reader != null)
reader.Close();
connection.Close();
return array;
}
catch(SqlException sqle)
{
throw new ApplicationException(sqle.Message);
}
catch(Exception e)
{
throw new ApplicationException(e.Message);
}
}
public override IList findByName(String name)
{
QueryObject qo = new QueryObject();
qo.addCriteria(new Criteria(Criteria.Operator.Equal, "LastName", name));
return Registry.Instance.getMapper(typeof(Employee)).find(qo);
}
public IList find(QueryObject qo)
{
return Registry.Instance.getMapper(typeof(Employee)).find(qo);
}
public override IList findByCategory(String category)
{
QueryObject qo = new QueryObject();
qo.addCriteria(new Criteria(Criteria.Operator.Equal, "Category", category));
return Registry.Instance.getMapper(typeof(Product)).find(qo);
}
public override IList findByPlz(String name)
{
QueryObject qo = new QueryObject();
qo.addCriteria(new Criteria(Criteria.Operator.Equal, "PostalCode", name));
return Registry.Instance.getMapper(typeof(Address)).find(qo);
}
public IList find(QueryObject qo)
{
return Registry.Instance.getMapper(typeof(OrderDetail)).find(qo);
}
public override IList findByOrderDate(DateTime orderDate)
{
QueryObject qo = new QueryObject();
qo.addCriteria(new Criteria(Criteria.Operator.Equal, "OrderDate", orderDate));
return Registry.Instance.getMapper(typeof(Order)).find(qo);
}
public override IList findByNameAndPassword(String name, String password)
{
QueryObject qo = new QueryObject();
qo.addCriteria(new Criteria(Criteria.Operator.Equal, "Password", password));
qo.addCriteria(new Criteria(Criteria.Operator.Equal, "Name", name));
return Registry.Instance.getMapper(typeof(Person)).find(qo);
}