class PubliSci::Prov::Derivation

Public Instance Methods

__label() click to toggle source
# File lib/publisci/metadata/prov/derivation.rb, line 7
def __label
  # raise "MissingInternalLabel: no __label for #{self.inspect}" unless @__label
  @__label ||= Time.now.nsec.to_s(32)
end
activity(activity=nil)
Alias for: had_activity
data(entity=nil)
Alias for: entity
entity(entity=nil) click to toggle source
# File lib/publisci/metadata/prov/derivation.rb, line 32
def entity(entity=nil)
  if entity
    @entity = entity
  elsif @entity.is_a? Symbol
    raise "UnknownEntity #{@entity}" unless Prov.entities[@entity]
    @entity = Prov.entities[@entity]
  else
    @entity
  end
end
Also aliased as: data
had_activity(activity=nil) click to toggle source
# File lib/publisci/metadata/prov/derivation.rb, line 20
def had_activity(activity=nil)
  if activity
    @had_activity = activity
  elsif @had_activity.is_a? Symbol
    raise "UnknownActivity #{@had_activity}" unless Prov.activities[@had_activity]
    @had_activity = Prov.activities[@had_activity]
  else
    @had_activity
  end
end
Also aliased as: activity
subject(sub=nil) click to toggle source
# File lib/publisci/metadata/prov/derivation.rb, line 12
def subject(sub=nil)
  if sub
    @subject = sub
  else
    @subject ||= "#{Prov.base_url}/derivation/#{Time.now.nsec.to_s(32)}"
  end
end
to_n3() click to toggle source
# File lib/publisci/metadata/prov/derivation.rb, line 44
def to_n3
  str = "<#{subject}> a prov:Derivation ;\n"
  str << "\tprov:entity <#{entity}> ;\n" if entity
  str << "\tprov:hadActivity <#{had_activity}> ;\n" if had_activity
  str << "\trdfs:label \"#{__label}\".\n\n"

  add_custom(str)

  str
end
to_s() click to toggle source
# File lib/publisci/metadata/prov/derivation.rb, line 55
def to_s
  subject
end