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Contents
module Krikri::MappingDSL
##
# Methods for setting URI/ActiveTriples #rdf_subject values in MappingDSL
module RdfSubjects
def uri(value, &block)
properties.delete_if { |prop| prop.is_a? SubjectDeclaration }
properties << SubjectDeclaration.new(nil, value, &block)
end
class SubjectDeclaration < Krikri::MappingDSL::PropertyDeclaration
def to_proc
block = @block if @block
value = @value
lambda do |target, record|
value = value.call(record) if value.respond_to? :call
return target.rdf_subject if Array(value).empty?
raise "Error mapping #{record}, #{target}\t" \
"URI must be set to a single value; got #{value}" if
Array(value).count != 1
value = value.first if value.is_a? Enumerable
return target.send(setter, value) unless block
target.send(setter, instance_exec(value, &block))
end
end
private
def setter
:set_subject!
end
end
end
end
Version data entries
52 entries across 52 versions & 1 rubygems