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JRuby

JRuby. Monika Mevenkamp monikam 333C. [J] Ruby. 1995 Matz にっき -Yukihiro Matsumoto Ruby interpreter in C 2001 JRuby = Ruby on JVM Jan Arne Petersen 2006 Ruby takes off. PU OIT UnConference 06/2015 JRuby. Monika Mevenkamp 333C. Why [J] Ruby ?. Best of

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JRuby

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  1. JRuby Monika Mevenkamp monikam 333C

  2. [J] Ruby 1995 Matzにっき -Yukihiro Matsumoto Ruby interpreter in C 2001 JRuby = Ruby on JVM Jan Arne Petersen 2006 Ruby takes off PU OIT UnConference 06/2015 JRuby Monika Mevenkamp 333C

  3. Why [J] Ruby ? Best of Perl, Smalltalk, Eiffel, Ada, Lisp Lots of Gems make stuff easy require ‘http’; body = HTTP.get(url).to_s require ‘json’; array = JSON.parse(body).each do |doc| …. end require 'sshkit/dsl’; servers = %w{usr@svr1.edu kunde@svr2.edu} on servers do |host| puts "#{host} #{capture(:uptime)}" end 6412 gems at rubygems.org PU OIT UnConference 06/2015 JRuby Monika Mevenkamp 333C

  4. Gems / Applications Web Framework software testing framework code deployment VM manager IT Infrastructure management Penetration Testing RAILS Cucumber.io Capistrano Vagrant Puppet & Chef MetaSploit PU OIT UnConference 06/2015 JRuby Monika Mevenkamp 333C

  5. JRuby vs Ruby JRuby = Ruby + ability to call Java code from Ruby Ruby code from Java Ruby 2.2.2 latest ruby version JRuby 1.7.20 compatible with Ruby 1.9.3 PU OIT UnConference 06/2015 Jruby Monika Mevenkamp 333C

  6. JRuby vs Java DSPACE - 201466 Java lines Java Development Cycle - edit - mvn package 119 sec - ant update - run JRuby Development Cycle - start interactive interpreter - load Java classes 2.5 sec - type commands PU OIT UnConference 06/2015 JRuby Monika Mevenkamp 333C

  7. My First Use Task: Generate a report of the most downloaded items Available Data: Solr index with database ids Generated Report: N-DOWNLOADS: 55 BITSTREAM-ID: 17397 ITEM-ID: 9076 ITEM-HANDLE: 88435/dsp0147429929g ITEM-TITLE: DANGER, JOKING HAZARD: Humor, Norms, … COLLECTION-ID: 398 COLLECTION-HANDLE: 88435/dsp01cz30ps722 PU OIT UnConference 06/2015 JRuby Monika Mevenkamp 333C

  8. My First Use jars = Dir[File.join("/dspace/lib", '*.jar')]; jars.each {|j| require j } java_import 'org.dspace.content.Bitstream' solr_results.each do |r| bit = Bitstream.find(r.id) item = bit.getParent() title = item.getTitle() item_handle = item.getHandle() …. end PU OIT UnConference 06/2015 JRuby Monika Mevenkamp 333C

  9. jirb: start experimenting jirb> require 'irb/completion' jirb> Collection.fi<TAB> Collection.field_accessorCollection.field_readerCollection.field_writerCollection.findCollection.findAllCollection.findAuthorized Collection.find_allCollection.find_authorized PU OIT UnConference 06/2015 JRuby Monika Mevenkamp 333C

  10. [J] Ruby Fast Development Gems make it Easy Great for Experiments JRuby lets you script your Java code base PU OIT UnConference 06/2015 JRuby Monika Mevenkamp 333C

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