class ActiveFedora::Aggregation::ListSource
Attributes
ordered_self[W]
Allow this to be set so that -=, += will work. @param [ActiveFedora::Orders::OrderedList] An ordered list object this
graph should contain.
Public Instance Methods
changed?()
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Calls superclass method
# File lib/active_fedora/aggregation/list_source.rb, line 23 def changed? super || ordered_self.changed? end
clear_changed_attributes()
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@deprecated use changes_applied instead
# File lib/active_fedora/aggregation/list_source.rb, line 17 def clear_changed_attributes Deprecation.warn self.class, "#clear_changed_attributes is deprecated, use ActiveModel::Dirty#changes_applied instead." clear_changes_information end
create_date()
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Not useful and slows down indexing.
# File lib/active_fedora/aggregation/list_source.rb, line 52 def create_date nil end
has_model()
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Not useful, slows down indexing.
# File lib/active_fedora/aggregation/list_source.rb, line 62 def has_model ["ActiveFedora::Aggregation::ListSource"] end
modified_date()
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Not useful, slows down indexing.
# File lib/active_fedora/aggregation/list_source.rb, line 57 def modified_date nil end
ordered_self()
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Ordered list representation of proxies in graph. @return [Array<ListNode>]
# File lib/active_fedora/aggregation/list_source.rb, line 29 def ordered_self @ordered_self ||= ordered_list_factory.new(resource, head_subject, tail_subject) end
save(*args)
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Calls superclass method
ActiveFedora::Validations#save
# File lib/active_fedora/aggregation/list_source.rb, line 9 def save(*args) return true if has_unpersisted_proxy_for? || !changed? persist_ordered_self if ordered_self.changed? super end
serializable_hash(_options = nil)
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Serializing head/tail/nodes slows things down CONSIDERABLY, and is not useful. @note This method is used by ActiveFedora::Base
upstream for indexing,
at https://github.com/samvera/active_fedora/blob/master/lib/active_fedora/indexing_service.rb.
# File lib/active_fedora/aggregation/list_source.rb, line 42 def serializable_hash(_options = nil) {} end
to_solr(solr_doc = {})
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Calls superclass method
ActiveFedora::Indexing#to_solr
# File lib/active_fedora/aggregation/list_source.rb, line 46 def to_solr(solr_doc = {}) super.merge(ordered_targets_ssim: ordered_self.target_ids, proxy_in_ssi: ordered_self.proxy_in.to_s) end
Private Instance Methods
has_unpersisted_proxy_for?()
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# File lib/active_fedora/aggregation/list_source.rb, line 91 def has_unpersisted_proxy_for? ordered_self.select(&:new_record?).map(&:target).find { |x| x.respond_to?(:uri) } end
head_subject()
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# File lib/active_fedora/aggregation/list_source.rb, line 95 def head_subject head_id.first end
ordered_list_factory()
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# File lib/active_fedora/aggregation/list_source.rb, line 103 def ordered_list_factory ActiveFedora::Orders::OrderedList end
persist_ordered_self()
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# File lib/active_fedora/aggregation/list_source.rb, line 68 def persist_ordered_self nodes_will_change! # Delete old statements subj = resource.subjects.to_a.select { |x| x.to_s.split("/").last.to_s.include?("#g") } subj.each do |s| resource.delete [s, nil, nil] end # Assert head and tail self.head = ordered_self.head.next.rdf_subject self.tail = ordered_self.tail.prev.rdf_subject head_will_change! tail_will_change! graph = ordered_self.to_graph resource << graph # Set node subjects to a term in AF JUST so that AF will persist the # sub-graphs. # TODO: Find a way to fix this. # See https://github.com/samvera/active_fedora/issues/1337 resource.set_value(:nodes, []) self.nodes += graph.subjects.to_a ordered_self.changes_committed! end
tail_subject()
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# File lib/active_fedora/aggregation/list_source.rb, line 99 def tail_subject tail_id.first end