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Versions: 7
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Contents
module Ddr
module Datastreams
class MetadataDatastream < ActiveFedora::NtriplesRDFDatastream
def self.term_names
properties.keys.map(&:to_sym).sort
end
# Returns ActiveTriplesTerm now that this is an RDF datastream
def values term
term == :format ? self.format : self.send(term)
end
# Update term with values
# Note that empty values (nil or "") are rejected from values array
def set_values term, values
if values.respond_to?(:reject!)
values.reject! { |v| v.blank? }
else
values = nil if values.blank?
end
begin
self.send("#{term}=", values)
rescue NoMethodError
raise ArgumentError, "No such term: #{term}"
end
end
# Add value to term
# Note that empty value (nil or "") is not added
def add_value term, value
begin
unless value.blank?
values = values(term).to_a << value
set_values term, values
end
rescue NoMethodError
raise ArgumentError, "No such term: #{term}"
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems