factory-pattern Questions
6
Solved
I have been reading about Factory pattern a lot lately. I am trying to figure out the best way to implement it. In the book C # Agile Principles patterns and practice the recommendation is to creat...
Hazardous asked 31/8, 2011 at 11:28
2
Solved
Since Python is a duck-typed language is writing factory classes meaningless in Python?
http://en.wikipedia.org/wiki/Factory_method_pattern
Fredela asked 18/7, 2011 at 19:29
4
I have 2 cases wheter a method can be considered a Factory Design Pattern, this example is in C#, altought, can apply to other programming languages:
enum NinjaTypes {
Generic,
Katanna,
StarThr...
Silures asked 30/6, 2011 at 23:45
4
Solved
I've written myself a nice simple little domain model, with an object graph that looks like this:
-- Customer
-- Name : Name
-- Account : CustomerAccount
-- HomeAddress : PostalAddress
-- Invo...
Hartmann asked 2/6, 2011 at 15:31
1
Solved
I'm trying to design a good entity creation system with an abstract factory (as per http://www.dofactory.com/Patterns/PatternAbstract.aspx) but I'm struggling when it comes to instance specific par...
Paradies asked 5/6, 2011 at 5:16
3
Solved
I don't believe I am implementing the factory pattern correctly because the Application class' createDocument method accepts any class type, not just subclasses of Document.
In other words, is the...
Achromaticity asked 31/5, 2011 at 18:15
8
Solved
Is it really impossible to hide some classes in a jar file?
I wanted not to allow direct instantiation of the classes to keep it more flexible. Only the factory (or a facade) should be visible of ...
Triolet asked 21/1, 2011 at 14:5
2
Solved
I'll attempt to shorten this code example:
public interface IThing
{
//... Stuff
}
public class Thing1 : IThing
{
}
public class Thing2 : IThing
{
}
public interface IThingView<out T>
...
Fellner asked 26/5, 2011 at 17:38
2
Solved
I have always felt uncomfortable when dealing with classes that needed to instantiate a lot of objects since I've been using Dependency Injection principles.
For instance, let's say I have a class...
Ced asked 24/5, 2011 at 11:59
1
Solved
I'm riffing from the information here: Metaclass not being called in subclasses
My problem is that I'm unable to create an instance of an object using this class registry. If I use "regular" const...
Legalism asked 9/5, 2011 at 18:17
1
Solved
I have a situation where I would like to dynamically create an object through a factory object, but the object needs to be created through the spring context, to allow autowiring of dependencies. I...
Pentode asked 13/4, 2011 at 21:8
2
Solved
I'm trying to design a set of factory classes for our system, where some objects created by the factory also need to be initialized before they can be used properly.
Example:
$foobar = new Foobar...
Tisbe asked 30/3, 2011 at 13:24
3
Solved
It is a factory method if it returns an instance of a class but is it a factory method if it returns multiple (an array of) instances?
Urushiol asked 19/2, 2011 at 9:28
5
Solved
I am relatively new to "design patterns" as they are referred to in a formal sense. I've not been a professional for very long, so I'm pretty new to this.
We've got a pure virtual interface base c...
Aoristic asked 14/2, 2011 at 12:46
7
Solved
I am trying to find a easy to extend way to create objects at runtime based on a static String class attribute, called NAME.
How can I improve this code, which uses a simple if construct?
public ...
Rosaceous asked 9/2, 2011 at 15:30
6
Solved
Does the C# factory pattern require an upcast?
I want God in class library G to create an Adam in class library A without making G dependant on A. God produces Adams for consumption by Eve in clas...
Antisyphilitic asked 2/2, 2011 at 8:41
2
Solved
I am trying to create a function that is passed a parameter x and returns a new class C. C should be a subclass of a fixed base class A, with only one addition: a certain class attribute is added a...
Astrea asked 1/2, 2011 at 2:28
4
Solved
in C# you have to declare everything in a class so an example factory pattern could look like:
namespace MySpace {
public class CFactory
{
public static CFactory Current()
{
static CFactory si...
Unsettle asked 28/1, 2011 at 16:35
2
Solved
I have a Data Access Layer library that I would like to make "portable". The reason I like it to be portable is because I want to work with SQL Azure & Azure File Storage (eg, data + pdf report...
Trojan asked 25/1, 2011 at 16:23
1
Which is a better approach, create child entities first, then pass to the aggregate root to add them, or have the aggregate root create them? For example:
Order.AddOrderLine(new OrderLine(product,...
Wendt asked 24/1, 2011 at 19:50
6
Using php 5.2, I'm trying to use a factory to return a service to the controller. My request uri would be of the format www.mydomain.com/service/method/param1/param2/etc. My controller would then c...
Tobacconist asked 7/1, 2011 at 16:4
1
Solved
I'm trying to implement a Generic Repository. This is what I've got so far ...
public interface IRepositoryFactory
{
IRepository<T> RepositoryOf<T>() where T : class;
}
public class ...
Mcgean asked 21/12, 2010 at 15:46
3
I have a very simple factory which takes an Enum as one of its parameters to determine the type of object that should be created, and a other parameter that's common to all the objects being create...
Pomerania asked 6/12, 2010 at 20:49
3
Solved
I'm trying to create an abstract factory template for multiple abstract factories in C++ and came up with this.
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#include <map>
#include &l...
Transcendentalism asked 5/12, 2010 at 5:18
3
I'm trying to succinctly describe when to use a factory, for both myself and my team. I ran across the following related questions, which helped somewhat:
When to use factory patterns?
(useful ...
Thomsen asked 2/12, 2010 at 2:41
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