Using CodeSmith and Plinqo templates to generate NHibernate ORM layer

I am working on a large database project (see article on news aggregator for trading)  and don’t want to a) use stored procedures and b) don’t want to have to code loads of NHibernate mapping files and logic. I looked at various different technologies for code generation and chose CodeSmith mainly because I still have [...]

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Building a FIX engine in .NET

What is FIX The Financial Information Exchange Protocol is defined on the homepage of the protocol standards web site as “The Financial Information eXchange (FIX) Protocol is a messaging standard developed specifically for the real-time electronic exchange of securities transactions.” However, I think this definition is very limited. The protocol does not just define a messaging standard [...]

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Simple Producer – Consumer Queue in .NET 4 part 2

Please first read Part one of the simple producer – consumer queue in .net4. In part 1 we defined a standard producer – consumer queue, however, there was nothing that particularly made this stand out from a queue written in a previous version of .Net. In this post, I am going to upgrade the queue [...]

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Unit testing for managed memory leakage

It might seem a strange thing to do. Firstly can there be managed memory leakage? And secondly how can you unit test for this? I’ll put this into context and then all will become clear. I came across this interesting problem recently when playing around with a set of streaming real time data and attaching [...]

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Simple Producer – Consumer Queue in .NET 4 part 1

Another back to basics post for reference material . I will follow this post with how to improve this basic pattern with .NET 4 objects. In building a real time news aggregator which requires a producer – consumer queue to provide up to the second news feeds for a trading engine, I have updated my [...]

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Building a news aggregator module for a trading platform –The architecture

In my recent post introducing the news aggregator I detailed what we are currently building. In this post, I will discuss some very high level architecture and some considerations around how to build the application. My first draft at architecture is to just get the different functional parts of the program identified. Then later we [...]

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Building a news aggregator module for a trading platform -Introduction

I am working on a project where I going to build a news aggregator which takes certain keywords and searches a predefined set of websites, company statements etc for stories or blog posts that have that keyword in it. The keywords are mostly a combination of company names or stock ticker codes and mood indicators, [...]

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Making WPF Converters easier to use

When binding data to WPF controls it is good practice to use a IValueConverter or IMultiValueConverter or use the adaptor pattern which is what I do for the equivalent when using MVC for the web, to change the values from your domain objects to something you can bind to which makes sense for the Gui [...]

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Interlocked class for doing thread safe simple calculations

I came across the Interlocked class today. It is a very simple way of incrementing or decrementing or doing thread safe algorithmic calculations based upon a single property change in the same class. It is no good for changing the properties of another class, such as an element on a domain object, but is quite [...]

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WPF Datagrid

This is a very short post. I just wanted to point to this great site and especially this tutorial on the WPF DataGrid. http://www.wpftutorial.net/DataGrid.html Its a great reference, and I’m including a post here so I can find it again easily and share with others.

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