symbols.rb revision 831958258fc53ac814a03824795782e1d9ca9f3b
class Ontology
module Symbols
extend ActiveSupport::Concern
module Methods
def update_or_create_from_hash(hash, timestamp = Time.now)
raise ArgumentError, 'No hash given.' unless hash.is_a? Hash
e = where(text: hash['text']).first_or_initialize
e.ontology = @association.owner
e.range = hash['range']
e.updated_at = timestamp
unless hash['name'] || hash['kind']
Rails.logger.warn(
"Using work-around to determine symbol name and kind: #{e.inspect}")
if e2 = Symbol.where(text: hash['text']).first
e.name = e2.name
e.kind = e2.kind
else
e.name = e.text
e.kind = 'Undefined'
end
else
e.name = hash['name']
e.kind = hash['kind']
end
e.iri = hash['iri']
e.label = hash['label']
sep = '//'
locid_portion =
if e.name.include?('://')
if e.label
e.label
else
portion = e.name.end_with?('>') ? e.name[0..-2] : e.name
portion = portion.split('#', 2).last
end
else
e.name
end
e.locid = "#{e.ontology.locid}#{sep}#{locid_portion}"
if e.range.to_s.include?(':')
# remove path from range
# Examples/Reichel:28.9 -> 28.9
e.range = e.range.split(':', 2).last
end
e.ontology.symbols << e if e.id.nil?
e.save!
e
end
end
def delete_edges
%i[parent_id child_id].each do |key|
EEdge.where(key => symbols.where(kind: 'Class')).delete_all
end
end
def create_symbol_tree
raise StandardError.new('Ontology is not OWL') unless owl?
# Delete previous set of categories
delete_edges
subclasses =
sentences.where("text LIKE '%SubClassOf%'").select do |sentence|
sentence.text.split(' ').size == 4
end
transaction requires_new: true do
subclasses.each do |s|
c1, c2 = s.hierarchical_class_names
unless c1 == 'Thing' || c2 == 'Thing'
child_id = symbols.where('name = ? OR iri = ?', c1, c1).first.id
parent_id = symbols.where('name = ? OR iri = ?', c2, c2).first.id
EEdge.create! child_id: child_id, parent_id: parent_id
if EEdge.where(child_id: child_id, parent_id: parent_id).first.nil?
raise StandardError.new('Circle detected')
end
end
end
end
end
end
end