Sha256: 36c2b57cd46938a538df6d4f7f1881fb2e3d6ade484c3ba6163cd13c213f4df1
Contents?: true
Size: 671 Bytes
Versions: 7
Compression:
Stored size: 671 Bytes
Contents
# frozen_string_literal: true
module Valkyrie::Persistence::Fedora
# Lazily iterates over a doubly linked list, fixing up nodes if necessary.
# Used for reading ordered members out of Fedora, and then converting them to
# member_ids.
class OrderedReader
include Enumerable
attr_reader :root
def initialize(root)
@root = root
end
def each
proxy = first_head
while proxy
yield proxy unless proxy.nil?
next_proxy = proxy.next
next_proxy.try(:prev=, proxy) if next_proxy&.prev != proxy
proxy = next_proxy
end
end
private
def first_head
root.head
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems