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module ActiveFedora
module RdfNode
class TermProxy
attr_reader :graph, :subject, :predicate, :options
delegate :class, :to_s, :==, :kind_of?, :each, :map, :empty?, :as_json, :is_a?, :to => :values
# @param graph RDF::Graph
# @param subject RDF::URI
# @param options Hash
def initialize(graph, subject, predicate, options)
@graph = graph
@subject = subject
@predicate = predicate
@options = options
end
def build
new_subject = RDF::Node.new
graph.graph.insert([subject, predicate, new_subject])
graph.target_class(predicate).new(graph.graph, new_subject)
end
def <<(*values)
values.each { |value| graph.append(subject, predicate, value) }
values
end
def delete(*values)
values.each do |value|
graph.delete_predicate(subject, predicate, value)
end
values
end
def values
values = []
graph.query(subject, predicate).each do |solution|
v = solution.value
v = v.to_s if v.is_a? RDF::Literal
if options[:type] == :date
v = Date.parse(v)
end
values << v
end
if options[:class_name]
values = values.map{ |found_subject| graph.target_class(predicate).new(graph.graph, found_subject)}
end
values
end
def method_missing(method, *args, &block)
if values.respond_to? method
values.send(method, *args, &block)
else
super
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems