Sha256: 9be5913646cac799c6b8a1a93327db0afc32c340204f7ccc44446b9cda75d9fd
Contents?: true
Size: 575 Bytes
Versions: 7
Compression:
Stored size: 575 Bytes
Contents
module ActiveFedora::Aggregation
##
# Lazily iterates over a doubly linked list, fixing up nodes if necessary.
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
if next_proxy && next_proxy.prev != proxy
next_proxy.try(:prev=, proxy)
end
proxy = next_proxy
end
end
private
def first_head
root.head
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems