What exactly is a Class Factory?

Posted by Olaseni on Stack Overflow See other posts from Stack Overflow or by Olaseni
Published on 2010-03-26T21:29:21Z Indexed on 2010/03/26 21:33 UTC
Read the original article Hit count: 349

Filed under:

class

|

factory

I see the word thrown around often, and I may have used it myself in code and libraries over time, but I never really got it. In most write-ups I came across, they just went on expecting you to figure it out.

What is a Class Factory? Can someone explain the concept?

© Stack Overflow or respective owner

Related posts about class

DIV is picking max-width value as width value for DIV.

as seen on Stack Overflow - Search for 'Stack Overflow'
I am facing a problem after applying max-width hack for IE7. In mozilla, width of the div is flexible and adjustable as per the image width in the div. But in IE7 it is taking the max-width as width of DIV. Below is my HTML code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"… >>> More
Getting Information About Class Programatically (methods in class/properties of class)

as seen on C# Corner - Search for 'C# Corner'
This article will teach you how to get information about some class like how many methods are there in class, how many properties are there etc.. >>> More
Nested class - calling the nested class from the parent class

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a class whereby a method calls a nested class. I want to access the parent class properties from within the nested class. public class ParentClass { private x; private y; private z; something.something = new ChildClass public class ChildClass { need to get x, y and z; } } How do I… >>> More
Compare base class part of sub class instance to another base class instance

as seen on Stack Overflow - Search for 'Stack Overflow'
I have number of DTO classes in a system. They are organized in an inheritance hierarchy. class Person { public int Id { get; set; } public string FirstName { get; set; } public string ListName { get; set; } } class PersonDetailed : Person { public string WorkPhone { get; set; } … >>> More
making class accessible from class path in dynamic class loading

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a project created in Eclipse, and I defined an interface and a class for dynamic class loading, the class is in the project directory, so I have this code in my project: if (handlerClassName != null) { TypeHandler typeHandler = null; try { typeHandler =… >>> More

Related posts about factory

Confused about this factory, as it doesn't look like an Abstract Factory nor Factory Method

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm looking into Guice and I've been reading its documentation recently. Reading the motivation section I don't understand the factories part, why they name it that way. To me that factory is just a wrapper for the implementing class they want it to return after calling getInstance(). public class… >>> More
Factory, Abstract Factory and Factory Method

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I am really confused about these three terms. My understanding is that: in the Factory pattern, there is no concrete factory. The factory builds the new objects according to the parameters. in Abstract Factory pattern, there are multiple concrete factories. The client has to create different… >>> More
Factory Pattern: Determining concrete factory class instantiation?

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm trying to learn patterns and I'm stuck on determining how or where a Factory Pattern determines what class to instanciate. If I have a Application that calls the factory and sends it, say, an xml config file to determine what type of action to take, where does that logic for interpreting the… >>> More
Circular reference with entity manager factory

as seen on Stack Overflow - Search for 'Stack Overflow'
Every time I try and start my app, I get this error on startup: SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework… >>> More
Factory Pattern - when do you say you need a specialised factory

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I am having a little design crisis, I am making a Plane class, which is made of an engine 2 wings and N seats The engine takes in a engine size, and the wings have a span. would this still be feasible to have a PlaneFactory, when the factory may have to take in multiple parameters to setup… >>> More