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Liam McLennan hackingon.net March 2011 Entries
Mocking Extension Methods on NHibernate.ISession
I have written about adding support for specifications to NHibernate’s ISession type. Shortly afterwards Paul Stovell moaned on twitter that no one had demonstrated how to mock ISession. Since my implementation relied upon an extension method (QueryBySpecification) I googled how to mock extension methods – and discovered that you can’t. What I did find was Daniel Cazzulino’s post about converting extension methods to methods that return a Func that exposes your extension method. That way you can ......

Posted On Sunday, March 20, 2011 10:35 AM

JavaScript Class Patterns – In CoffeeScript
Recently I wrote about JavaScript class patterns, and in particular, my favourite class pattern that uses closure to provide encapsulation. A class to represent a person, with a name and an age, looks like this: var Person = (function() { // private variables go here var name,age; function constructor(n, a) { name = n; age = a; } constructor.prototype = { toString: function() { return name + " is " + age + " years old."; } }; return constructor; })(); var john = new Person("John Galt", 50); console.log(john.toString()); ......

Posted On Friday, March 18, 2011 7:47 PM

Paying it Forward
You’re a talented guy (or girl). You’ve done alright. Years of hard work and stick-to-it-ive-ness have paid off and left you with plenty and an opportunity to make a positive difference to someone else. And then there are people with less than they need. Sometimes all they need to help themselves is a start. Opportunity International provide micro financing to help people grow their small businesses so that they can afford food, shelter, water and education. microfinance to solve poverty MonsoonerOrLater ......

Posted On Friday, March 18, 2011 12:35 PM

Using Query Classes With NHibernate
Even when using an ORM, such as NHibernate, the developer still has to decide how to perform queries. The simplest strategy is to get access to an ISession and directly perform a query whenever you need data. The problem is that doing so spreads query logic throughout the entire application – a clear violation of the Single Responsibility Principle. A more advanced strategy is to use Eric Evan’s Repository pattern, thus isolating all query logic within the repository classes. I prefer to use Query ......

Posted On Friday, March 11, 2011 5:14 PM

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