Class: Concept::Relation::SKOS::Base

Inherits:
Base show all
Defined in:
app/models/concept/relation/skos/base.rb

Overview

Copyright 2011-2013 innoQ Deutschland GmbH

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

bidirectional?, by_owner, by_owner_origin, by_target_origin, edit_partial_name, partial_name, published, published_with_newer_versions, #rank, #rank=, rankable?, reverse_relation_class, singular?, target_editor_selectable, target_in_edit_mode, unpublished, view_section, view_section_sort_key

Class Method Details

.build_from_rdf(rdf_subject, rdf_predicate, rdf_object) ⇒ Object 



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# File 'app/models/concept/relation/skos/base.rb', line 20

def self.build_from_rdf(rdf_subject, rdf_predicate, rdf_object)
  raise "#{self.name}#build_from_rdf: Subject (#{rdf_subject}) must be a Concept." unless rdf_subject.is_a? Concept::Base
  raise "#{self.name}#build_from_rdf: Object (#{rdf_object}) must be a Concept."   unless rdf_object.is_a? Concept::Base

  relation_class = RDFAPI::PREDICATE_DICTIONARY[rdf_predicate] || self

  relation_instance = rdf_subject.send(self.name.to_relation_name).select{ |rel| rel.target == rdf_object }
  if relation_instance.empty?
    relation_instance = relation_class.new(target: rdf_object)
    rdf_subject.send(self.name.to_relation_name) << relation_instance
  end

  if relation_class.bidirectional?
    reverse_class      = relation_class.reverse_relation_class
    reverse_collection = rdf_object.send(reverse_class.name.to_relation_name)
    if reverse_collection.select{ |rel| rel.target == rdf_subject }.empty?
      reverse_instance = reverse_class.new(target: rdf_subject)
      reverse_collection << reverse_instance
    end
  end
end

Instance Method Details

#build_rdf(document, subject, suppress_extra_labels = false) ⇒ Object 



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# File 'app/models/concept/relation/skos/base.rb', line 42

def build_rdf(document, subject, suppress_extra_labels = false)
  subject.send(self.rdf_namespace.camelcase).send(self.rdf_predicate, IqRdf.build_uri(target.origin))

  # Auto-include preferred labels for referenced concepts
  unless suppress_extra_labels
    document << IqRdf::build_uri(target.origin) do |subject|
      target.pref_labelings.each do |labeling|
        subject.Skos.send(labeling.rdf_predicate, labeling.target.value.to_s,
            lang: labeling.target.language)
      end
    end
  end
end