jcoyne

irb(main):034:0> original = "Dude"
=> "Dude"
irb(main):035:0> serialized = Marshal.dump(original)
=> "\x04\bI\"\tDude\x06:\x06ET"
irb(main):036:0> File.open(statefile, 'a+b') do |f|
irb(main):037:1*   f.write serialized
irb(main):038:1> end
irb(main):039:0> data = nil
=> nil
irb(main):046:0> File.open(statefile, 'a+b') do |f|

jcoyne

irb(main):034:0> original = "Dude"
=> "Dude"
irb(main):035:0> serialized = Marshal.dump(original)
=> "\x04\bI\"\tDude\x06:\x06ET"
irb(main):036:0> File.open(statefile, 'w+b') do |f|
irb(main):037:1*   f.write serialized
irb(main):038:1> end
=> 14
irb(main):039:0> File.open(statefile, 'w+b') do |f|
irb(main):040:1*   data = f.read

jcoyne

    ActionView::Template::Error:
       undefined method `each' for nil:NilClass
     # /Users/justin/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/active-fedora-9.2.1/lib/active_fedora/associations/rdf.rb:8:in `replace'
     # /Users/justin/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/active-fedora-9.2.1/lib/active_fedora/associations/singular_association.rb:18:in `writer'
     # /Users/justin/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/active-fedora-9.2.1/lib/active_fedora/associations/builder/association.rb:69:in `block in define_writers'
     # /Users/justin/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/active-fedora-9.2.1/lib/active_fedora/attributes.rb:25:in `block in attributes='
     # /Users/justin/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/active-fedora-9.2.1/lib/active_fedora/attributes.rb:24:in `each'
     # /Users/justin/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/active-fedora-9.2.1/lib/active_fedora/attributes.rb:24:in `attributes='
     # /Users/justin/.rbenv/versions/2.2.2/lib/r

jcoyne

def find_klass_for_id(id)
    query = "id\:#{RSolr.solr_escape(id)}"
    solr_doc = ActiveFedora::SolrService.query(query).first
    raise ActiveFedora::ObjectNotFoundError("Unable to find '#{id}'") if solr_doc.nil?
    klass = ActiveFedora::QueryResultBuilder.class_from_solr_document(solr_doc)
    "#{klass}:#{id}"
end

n = 5000

jcoyne

class Collection < ActiveFedora::Base
  has_many :contributors, inverse_of: :contributorable, as: 'contributorable'
  accepts_nested_attributes_for :contributors, allow_destroy: true, reject_if: proc { |attributes| attributes['contributor_name'].first.blank? }
end

class Contributor < ActiveFedora::Base
 belongs_to :contributorable, predicate: ::RDF::URI.new('http://collections.durham.ac.uk/ns#contributor_to'),
   class_name: 'ActiveFedora::Base'
end

jcoyne

../rdf/script/vocab-fetch --module-name RDFVocabularies --class-name PCDMTerms --source https://raw.githubusercontent.com/duraspace/pcdm/master/models.rdf --uri http://pcdm.org/models#

# -*- encoding: utf-8 -*-
# This file generated automatically using vocab-fetch from https://raw.githubusercontent.com/duraspace/pcdm/master/models.rdf
require 'rdf'
module RDFVocabularies
  class PCDMTerms < RDF::StrictVocabulary("http://pcdm.org/models#")
HERE _:g70302983955080 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/1999/02/22-rdf-syntax-ns#RDF> .
HERE _:g70302983955080 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/1999/02/22-rdf-syntax-ns#RDF> .
  end

jcoyne

# -*- encoding: utf-8 -*-
# This file generated automatically using vocab-fetch from https://raw.githubusercontent.com/duraspace/pcdm/master/models.rdf
require 'rdf'
module RDF
  class RDFVocabularies::PCDMTerms < RDF::StrictVocabulary("https://raw.githubusercontent.com/duraspace/pcdm/master/models.rdf")
HERE _:g70104022140180 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/1999/02/22-rdf-syntax-ns#RDF> .
HERE _:g70104022140180 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/1999/02/22-rdf-syntax-ns#RDF> .
  end
end

jcoyne

 $ mkdir newproject
 $ cd newproject/
 $ echo "source 'https://rubygems.org'" > Gemfile
 $ echo "gem 'hydra', '7.2.0'" >> Gemfile
 $ cat Gemfile
source 'https://rubygems.org'
gem 'hydra', '7.2.0'
 $ bundle install
Fetching gem metadata from https://rubygems.org/..........
Fetching version metadata from https://rubygems.org/..

jcoyne

  <mods:originInfo>
    <mods:dateIssued encoding="w3cdtf" point="start" qualifier="inferred">1900</mods:dateIssued>
    <mods:dateIssued encoding="w3cdtf" point="end" qualifier="approximate">1959</mods:dateIssued>
  </mods:originInfo>
  
  This can be modeled using EDM TimeSpan, but not EDTF. See https://github.com/europeana/corelib/wiki/EDMObjectTemplatesProviders#edmTimespan

jcoyne

query = sparql.select.where([:s, RDF::SKOS.prefLabel, "aerial photographs"]).limit(10)
=> #<SPARQL::Client::Query:0x3feaf0152244(SELECT * WHERE { ?s <http://www.w3.org/2004/02/skos/core#prefLabel> "aerial photographs" . } LIMIT 10)>
query.each_solution do |solution|
  puts solution.inspect
end
=> []