Refers to structural definition of class unit in object-oriented languages.
Questions tagged [class-design]
1125 questions
0
votes
3 answers
How to design my class
I have a class, which returns three properties. First property is dependent on some parameter, second one is dependent on the first property and third one is dependend on the second property.
What is the best way, to implement this type of class,…
sventevit
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votes
2 answers
Temporary Storing data entered in steps in class in asp.net
how can i store different data enetered using multiple steps?
Its 4-5 step procedure, user can go through each step & at the final submission i want to store it in database.
I want to create class to store this data & store the data in object of…
Pragnesh Patel
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0
votes
2 answers
C++ DAL Design - Include Foreign Key Table as Composite Object
I recently posted this C++ DAL question about how best to design a 'loadCar' method in a C++ DLL, with the consensus being that 'bool DAL::loadCar(int id, Car&) {}' would be the best signature to use.
Now, it so happens that in a lot of our use…
ng5000
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0
votes
1 answer
Implementing rights management in class design
I have to do a Project where there will be a number of users who will use the application. Users can belong to either Users, Executive or Administrator. Each Usergroup has their own rights. All data will be stored in a database.
Now I am doing the…
LeonidasFett
- 3,052
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0
votes
6 answers
How to read data for nested classes?
I'm sorry if my question isn't clear.
I have a class contain some properties and one of them is "Parent" which the same type of this class.
when i read data from Database i set the suitable value for each property. But how could i put the "Parent"…
Wahid Bitar
- 13,776
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0
votes
2 answers
Residing a member of parent class type inside another class
#include
class BarParent
{
virtual void fuz()
{
std::cout << "BarParent" << std::endl;
}
};
class BarChild : public BarParent
{
virtual void fuz()
{
std::cout << "BarChild" << std::endl;
…
aiao
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0
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1 answer
generalizing classes or not when using mapper for database
lets say i have the following classes:
customer, applicant, agency, partner
i need to work with databases and use mappers to map the objects to the database. my question is, can i generalize these classes with the class person and just implement a…
LeonidasFett
- 3,052
- 4
- 46
- 76
0
votes
4 answers
Preventing class data inheritance
I have a database abstraction layer that starts with a base class like so:
class DB {
function DB() {
$this->host = "xxx";
$this->db = "xxx";
$this->user = "xx";
$this->pass = "xx";
$this->dbh = mysql_connect($this->host,…
jerrygarciuh
- 21,158
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5 answers
How to design a C++ class?
I wrote a application in MFC with C++. I need to write a class which can save all the data loaded from the database, These data might contain every kind of data type, such as int, string, byte, boolean, datetime and so on. We might filter, exchange…
MemoryLeak
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votes
3 answers
Can I create a generic base class for this case? Any other suggestions?
Possible Duplicate:
C# -Generics Help
Let’s start with this interface IBar as below.
public interface IBar : IQueryable, IEnumerable where T : class
{
}
I have following 3 classes Bar1, Bar2 and Bar3.
public class Bar1
{
…
Ross Taylor
- 11
- 3
0
votes
1 answer
Does it make any real sense to make read-only properties out of "reference types" in an AS3 class?
Take the following code:
private var m_iQuanitity:int;
public function get quantity():int
{
return m_iQuantity;
}
That seems to make perfect sense. You can see what the quantity is from an outside class without any problems, but you can't…
Panzercrisis
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0
votes
3 answers
how to tell if specifications are modelled using database oriented approach or class design oriented approach
Given a problem specification, how to tell if it is a database design problem or class design(object oriented design) problem?
stallion
- 1,901
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0
votes
1 answer
Lifetime of variables: Reference becomes NULL
I have a problem regarding the lifetime of a variable.
My Android-App should write sensor-data to a file and send this file to a server. For this I created a Activity (Main-Activity) and two Services. One is for writing the sensor-data to files…
steckl
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votes
2 answers
Design a data model to flat file transformation... delegates or inheritance?
I have a maintenance application that has to turn enterprise data (from various databases/tables) into flat files, each in a specific format, for consumption by a legacy application. I've got data models like
public class StatusCode
{
public…
Anthony Mastrean
- 21,850
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0
votes
1 answer
Class design with params and dependencies
I designed my database and cache layer after Zend Framework 1, like this:
class Cache
{
public static function create($adapter, array $params)
{
$class_name = 'Cache_Adapter_' . $adapter;
return new $class_name($params);
…
Hemaulo
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