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Contents
module Hydra::PCDM
##
# Iterates over a record's members and all of their members in a breadth-first
# search.
class DeepMemberIterator
include Enumerable
attr_reader :record
# @param [#members] record The object whose members are iterated across.
def initialize(record)
@record = HasMembers.new(record)
end
def each
record.members.each do |member|
yield member
end
record.members.each do |member|
DeepMemberIterator.new(member).each do |deep_member|
yield deep_member
end
end
end
end
##
# Small decorator to ensure that #members isn't undefined.
class HasMembers < SimpleDelegator
def members
__getobj__.try(:members) || []
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems