Never a Wrong (Semantic) Version Again! - Ferry Huberts
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Never a Wrong (Semantic) Version Again! - Ferry Huberts

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OSGi Community Event 2013 (http://www.osgi.org/CommunityEvent2013/Schedule)

OSGi Community Event 2013 (http://www.osgi.org/CommunityEvent2013/Schedule)

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Never a Wrong (Semantic) Version Again! - Ferry Huberts Presentation Transcript

  • 1. Never A Wrong (Semantic) Version Again! bndtools
  • 2. About Me ● Ferry Huberts M.Sc. ● Open Source Entrepreneur (pelagic.nl) ● Member of the bnd / bndtools team ● Contributor in several other projects – Like olsrd, cgit 2/14
  • 3. Meaning of Semantic se·man·tic adjective si-ˈman-tik Origin of SEMANTIC Greek sēmantikos significant, from sēmainein to signify, mean, from sēma sign, token * From http://www.merriam-webster.com/dictionary. 3/14
  • 4. Meaning of Version ver·sion noun ˈvər-zhən, -shən Origin of VERSION Middle French, from Medieval Latin version-, versio act of turning, change, from Latin vertere to turn — more at worth * From http://www.merriam-webster.com/dictionary. 4/14
  • 5. Meaning of Semantic Version A Semantic Version is A change with (strict) meaning 5/14
  • 6. Semantic Versioning Schemes ● OSGi http://www.osgi.org/wiki/uploads/Links/SemanticVersioning.pdf ● SemVer.org http://semver.org/ ● Eclipse http://wiki.eclipse.org/Version_Numbering 6/14
  • 7. Semantic Versioning ● OSGi http://www.osgi.org/wiki/uploads/Links/SemanticVersioning.pdf 7/14
  • 8. Premise Semantic Versions are all about (Backward) Compatibility 8/14
  • 9. Semantic Version Major.Minor.Micro.Qualifier* ● Major: incompatible change for providers and consumers ● Minor: incompatible change for providers ● Micro: compatible change ● Qualifier: anything (e.g. build identity) * Major, Minor and Micro are numbers, Qualifier is a string 9/14
  • 10. API Coherent set of exported classes 10/14
  • 11. Hands-On bndtools The easy, powerful and productive way to develop with OSGi. Based on bnd and Eclipse. 11/14
  • 12. Rocket Example API Provider rocket.control rocket.control.api rocket.control.api. RocketControlListener rocket.blackbox Consumer bndtools 12/14
  • 13. Summary ● Semantic Versions: – Theory: ● – Reality: ● ● – conceptually easy not so easy easy to forget to update the multiple places There are some subtleties ● bndtools can handle* it for you ● Never Stop Thinking 13/14 * except for semantic changes not detectable by a machine, like kph to mph renames
  • 14. Contact bndtools: http://bndtools.org/ https://github.com/bndtools/bndtools mailto:bndtools-users@googlegroups.com bnd: http://www.aqute.biz/Bnd/Bnd https://github.com/bndtools/bnd mailto:bndtools-users@googlegroups.com Ferry Huberts <ferry.huberts@pelagic.nl> 14/14