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state machine != workflow engine

Posted 2 days ago by John Mettraux

This post is intended for Ruby developers. The idea for it came after numerous discussions with fellow programmers about state machines and workflow engines.
What motivates me for posting is the publication of the 3rd issue of the excellent ... [More] Rails Magazine. It contains an article named “Workflow solutions with AASM”.
At first a word of warning, [...] [Less]

rufus-tokyo 0.1.13

Posted about 1 month ago by John Mettraux

With the initial releases of rufus-tokyo, I happily cut corners and went with C strings (ending with NUL).
This isn’t optimal, often you need to store binary data as the value, the resulting ’string’ contains NUL characters and values get ... [More] truncated at restitution. I was working around that with Base64 encoding. Fine, the perf cost isn’t [...] [Less]

rufus-scheduler 2.0, with em flavour

Posted about 1 month ago by John Mettraux

This blog is turning into a release gallery.
Anyway. Just released rufus-scheduler 2.0. It’s a complete rewrite. The only new “feature” is an EventMachine mode.
The plain scheduler uses a thread waking up every 0.330s (by default) to ... [More] check for jobs to trigger, while the em-based scheduler uses an EventMachine timer.
Other flavour for the core loop are [...] [Less]

rufus-decision 1.1, ruby decision tables

Posted 2 months ago by John Mettraux

rufus-decision is a small ruby gem for ‘running decision tables’. Decision tables are useful for mapping conditions to actions.
This example decision table considers two conditions : ‘topic’ and ‘region’ (I tend to call them ... [More] ‘inputs’). Certain combinations of condition yield one or more output value.
In the example, when the topic is about finance and [...] [Less]

rufus-tokyo 0.1.12, ext(lua)

Posted 3 months ago by John Mettraux

Just released version 0.1.12 of rufus-tokyo, a Ruby library for accessing Tokyo Cabinet and Tokyo Tyrant (via FFI or via the Ruby classes provided with the Tokyo products).
Tokyo Tyrant, once successfully compiled with –enable-lua, is open to ... [More] lots of interesting usages.
In his last post on the Mixi dev blog, the author of Tokyo Cabinet / [...] [Less]

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