about processes and engines

gem install openwferu-scheduler

update (2008/02) : the openwferu-scheduler gem has changed its name to rufus-scheduler.

jlc.jpgThe OpenWFEru scheduler is a small library for scheduling tasks in Ruby.

It’s used within the OpenWFEru workflow and bpm engine for expressions like ‘when’, ‘cron’, ‘sleep’, ‘wait’…

As it makes sense also outside of OpenWFEru, I packaged it in its own gem.

You can now do “[sudo] gem install openwferu-scheduler” to get a simple scheduler but not the whole OpenWFEru bpm circus.

Written by John Mettraux

April 3, 2007 at 1:49 am

5 Responses

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  1. […] scheduler is now also available as a standalone gem thanks to John […]

  2. thank you for this. I just need the scheduler and installing the whole openwferu stuff would be a bit much :)


    June 30, 2008 at 10:39 am

  3. Swarson,

    no need for the whole openwferu, simply follow the first link in this post, or :

    sudo gem install rufus-scheduler

    The mailing list is at :

    Best regards.

    John Mettraux

    July 1, 2008 at 12:17 am

  4. Unfortunately at the moment I’m developing in WindowsXP and I wander if your library would work in this environment. I fear this may not be possible if it relies on *nix ‘cron’
    I will then upload my pet project on Heroku, which surely use a *nix system.


    Giorgio Clavelli

    July 9, 2008 at 8:21 am

  5. Hi Giorgio,

    the rufus-scheduler does not rely on a *nix cron, it’s standalone and works on Ruby as well as on JRuby. It seems to work on other Ruby VMs as well.

    Best regards.

    John Mettraux

    July 9, 2008 at 8:23 am

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