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Versions: 8
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Stored size: 1.44 KB
Contents
module PubliSci
class Prov
class Derivation
include PubliSci::CustomPredicate
def __label
# raise "MissingInternalLabel: no __label for #{self.inspect}" unless @__label
@__label ||= Time.now.nsec.to_s(32)
end
def subject(sub=nil)
if sub
@subject = sub
else
@subject ||= "#{Prov.base_url}/derivation/#{Time.now.nsec.to_s(32)}"
end
end
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
alias_method :activity, :had_activity
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
alias_method :data, :entity
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
def to_s
subject
end
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems