http://www.headwaysoftware.com/blog Tue, 24 Jan 2012 20:39:06 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 http://www.headwaysoftware.com/blog/2009/03/holarchy-101/ http://www.headwaysoftware.com/blog/2009/03/holarchy-101/#comments Tue, 31 Mar 2009 18:39:35 +0000 Ian Sutton http://www.headwaysoftware.com/blog/?p=212 dzone_url = "http://www.headwaysoftware.com/blog/2009/03/holarchy-101/";Herbert Simon’s parable of the watchmakers was constructed to convey his belief that complex systems will evolve from simple systems much more rapidly if there are stable intermediate forms present in that evolutionary process than if they are not present. … Continue reading]]> http://www.headwaysoftware.com/blog/2009/03/holarchy-101/feed/ 1 http://www.headwaysoftware.com/blog/2009/03/watchmakers-parable/ http://www.headwaysoftware.com/blog/2009/03/watchmakers-parable/#comments Mon, 30 Mar 2009 14:14:49 +0000 Ian Sutton http://www.headwaysoftware.com/blog/?p=208 dzone_url = "http://www.headwaysoftware.com/blog/2009/03/watchmakers-parable/";The parable of the two watchmakers was introduced by Nobel Prize winner Herbert Simon to describe the complex relationship of subsystems and their larger wholes. There once were two watchmakers, named Hora and Tempus, who made very fine watches. The … Continue reading]]> http://www.headwaysoftware.com/blog/2009/03/watchmakers-parable/feed/ 1 http://www.headwaysoftware.com/blog/2009/03/travelin-lite/ http://www.headwaysoftware.com/blog/2009/03/travelin-lite/#comments Fri, 06 Mar 2009 09:40:59 +0000 Ian Sutton http://www.headwaysoftware.com/blog/?p=214 dzone_url = "http://www.headwaysoftware.com/blog/2009/03/travelin-lite/";Of course, you can’t code up a (meaningful) system without some number of building blocks. So even in a perfectly architected and layered system, you inevitably accumulate some baggage as you move up the stack. The trick, though, is to … Continue reading]]> http://www.headwaysoftware.com/blog/2009/03/travelin-lite/feed/ 2 http://www.headwaysoftware.com/blog/2009/02/identifying-transitive-closures-with-structure101/ http://www.headwaysoftware.com/blog/2009/02/identifying-transitive-closures-with-structure101/#comments Fri, 27 Feb 2009 14:37:19 +0000 Ian Sutton http://www.headwaysoftware.com/blog/?p=220 dzone_url = "http://www.headwaysoftware.com/blog/2009/02/identifying-transitive-closures-with-structure101/";Here an interesting use case. I am currently working on a reuse project. We have a large legacy Java application that we are trying to farm for implementations of some high level functions in a new application. To do this … Continue reading]]> http://www.headwaysoftware.com/blog/2009/02/identifying-transitive-closures-with-structure101/feed/ 0 http://www.headwaysoftware.com/blog/2008/12/graphviz-on-steroids/ http://www.headwaysoftware.com/blog/2008/12/graphviz-on-steroids/#comments Wed, 03 Dec 2008 17:07:45 +0000 Ian Sutton http://www.headwaysoftware.com/blog/?p=178 dzone_url = "http://www.headwaysoftware.com/blog/2008/12/graphviz-on-steroids/";We just released our new generic jobbie, Structure101g. If you already know Structure101 for Java or Structure101 for C/C++, you probably already have a good idea of what Structure101g might be. This is for those (and there are many, oh … Continue reading]]> http://www.headwaysoftware.com/blog/2008/12/graphviz-on-steroids/feed/ 0 http://www.headwaysoftware.com/blog/2008/12/software-erosion-and-package-tangles/ http://www.headwaysoftware.com/blog/2008/12/software-erosion-and-package-tangles/#comments Wed, 03 Dec 2008 10:26:30 +0000 Ian Sutton http://www.headwaysoftware.com/blog/?p=158 dzone_url = "http://www.headwaysoftware.com/blog/2008/12/software-erosion-and-package-tangles/";My recent post on architectural erosion in the findbugs code-base was generally well received, but there were some skeptical voices. In a comment, Emeric questioned whether cyclic dependencies at the package level are anything more than a smell (if that). … Continue reading]]> http://www.headwaysoftware.com/blog/2008/12/software-erosion-and-package-tangles/feed/ 4 http://www.headwaysoftware.com/blog/2008/11/software-erosion-findbugs/ http://www.headwaysoftware.com/blog/2008/11/software-erosion-findbugs/#comments Thu, 27 Nov 2008 10:23:08 +0000 Ian Sutton http://www.headwaysoftware.com/blog/?p=131 dzone_url = "http://www.headwaysoftware.com/blog/2008/11/software-erosion-findbugs/";My particular area of interest in software these days is the importance of levels of abstraction above the raw code. In Java, the most natural place for these to manifest themselves is through the package structure (though this is certainly … Continue reading]]> http://www.headwaysoftware.com/blog/2008/11/software-erosion-findbugs/feed/ 15