Solutionizing .NET (Keith Dahlby) - All Comments

re: posh-git: A PowerShell Environment for Git

Garry Shutler — Mon, 15 Mar 2010 15:28:10 GMT

The name of this project fills me with glee.

Weekly Link Post 130 « Rhonda Tipton’s WebLog

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re: Extension Methods on Types You Own?

DCam — Mon, 01 Feb 2010 00:35:14 GMT

Seems like a good application of extension methods. Extension methods offer functional abstraction: pulling out common behaviour and putting it somewhere it can be reused or reapplied as appropriate. So, now you can GetOrInsert on any ICacheProvider, no matter what type of ICacheProvider you're talking about. Brilliant.

I ran in to a similar situation last year, but didn't put as much clear though in to why it makes sense this way: intwoplacesatonce.com/.../in-c-3-5-interface-extension-methods-mixin

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Dan Maharry — Wed, 27 Jan 2010 22:41:03 GMT

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Dan Maharry — Wed, 27 Jan 2010 05:05:39 GMT

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re: Extension Methods on Types You Own?

Keith Dahlby — Wed, 27 Jan 2010 02:01:46 GMT

This looks like what Ravi is talking about:

ayende.com/.../AOP-With-Windsor-Adding-Caching-to-IRepositoryT-based-on-Ts.aspx

re: Extension Methods on Types You Own?

Anon — Tue, 26 Jan 2010 16:32:22 GMT

Ravi...do you have any examples or can point to any articles on how to implement this? thanks.

re: Extension Methods on Types You Own?

Keith Dahlby — Tue, 26 Jan 2010 14:31:22 GMT

@Chris ~ An abstract base class would certainly work in this case - I'll try to think of an example where it wouldn't. I'm not overly concerned by the question "where does this live" given IDE tools to Go To Definition, Find References, etc., but I'm sure that varies across teams with varying degrees of comfort with extension methods.

@Ravi ~ How do you handle different caching policies (sliding expiration, absolute expiration, etc) per interface/method with that approach? Sounds like a promising approach.

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re: Extension Methods on Types You Own?

Ravi Terala — Mon, 25 Jan 2010 18:49:53 GMT

For things like caching that you mentioned, I don't ever write it as CachedAwesomeRepository anymore. I wrote a generic caching interceptor, which you can write through Unity/Castle to any interface/virtual class that needs caching abilities. Caching policy and differentiating arguments, etc are configured through an external configuration file.

This helped me configure and add caching to production bits when I want with out changing single line of code or recompiling.

re: Extension Methods on Types You Own?

Chris Tavares — Mon, 25 Jan 2010 18:06:13 GMT

One could argue you get the same benefits of abstraction and you don't have the question of "where does this live" if you use an abstract base class instead of an interface.

How often is something going to be an ICacheProvider and something else as well? I personally lean towards using interfaces for orthogonal concerns and base classes for domain concerns.

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re: Quick Tip: Parse String to Nullable Value

Darage — Mon, 25 Jan 2010 01:46:09 GMT

I Like.. Thanks for sharing