Good source code that could gives me head start on factory design pattern on c?

There are several sites I have bookmarked to help me learn the common design patterns dofactory.com/Patterns/Patterns.aspx en.csharp-online.net/CSharp_Design_Patte... dpatoolkit.sourceforge.net blackwasp.co.uk/DesignPatternsArticles.aspx.

There are several sites I have bookmarked to help me learn the common design patterns. dofactory.com/Patterns/Patterns.aspx en.csharp-online.net/CSharp_Design_Patte... dpatoolkit.sourceforge.net/ blackwasp.co.uk/DesignPatternsArticles.aspx.

I think this code project article on the AbstractFactoryPattern does a pretty good job of providing a useful example. However, unless you have a really good reason to, you should not create the same class in several different namespaces. You can always use using Accom; to access your Generator class from the Traf namespace.

Edit in response to comment that each Generator in a different namespace will have a different set of methods. You can't use the abstract factory pattern if the implementations will have different methods. The idea of the abstract factory pattern is to create a common interface that all objects returned by the factory will implement, then use some context in the factory to choose the correct implementation for a given situation.

The advantage you gain by using a factory is called Inversion of Control. Basically, your client code does not depend on a particular implementation of the Generator class (by having a variable of that type, or by calling a constructor for it). However, if you need to access methods that are specific to an implementation, then you can't access them through a common interface, which means you don't gain the Inversion of Control benefit, which means there is no real reason to use the abstract factory pattern.

I, string name) { return (GeneratorB)this. Generate(i, name, "GeneratorB"); } public GeneratorA GenerateA(int? I, string name) { return (GeneratorA)this.

Generate(i, name, "GeneratorA"); } public Generator Generate(int? I, string name, string genType) { return new GeneratorA(); // use reflection to generate child generator based on string "genType" } }.

Rather than doing a Singleton factory, consider using an IoC Container. This is effectively a super-factory. – TrueWill Jul 27 at 13:54 @hungryMind some code would be great.

Some of the part is still not clear to me (no offense, it is related to me. ) – tugberk Jul 27 at 14:03 reference code added – hungryMind Jul 27 at 14:20.

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