Module: PrependedRdf::RdfGraph

Defined in:
app/prepends/prepended_rdf/rdf_graph.rb

Instance Method Summary collapse

Instance Method Details

#load(url, graph_name: nil, **options) ⇒ void

This method returns an undefined value.

Loads RDF statements from the given file or URL into self.

Parameters:

  • url (String, #to_s)
  • options (Hash{Symbol => Object}) —

    Options from RDF::Reader.open

Options Hash (**options):

  • :graph_name (RDF::Resource) —

    Set set graph name of each loaded statement

Raises:

  • (TypeError) 


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# File 'app/prepends/prepended_rdf/rdf_graph.rb', line 14

def load(url, graph_name: nil, **options) # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
  raise TypeError, "#{self} is immutable" if immutable?
  phid, real_url = parse_phid(url)
  ph_record = QaServer::PerformanceHistory.find(phid)
  start_time_s = Time.now.to_f

  reader = RDF::Reader.open(real_url, { base_uri: real_url }.merge(options))

  end_time_s = Time.now.to_f
  ph_record.retrieve_time_ms = (end_time_s - start_time_s) * 1000
  QaServer.config.performance_tracker.write "#{format('%.6f', end_time_s - start_time_s)}, " # read data

  start_time_s = Time.now.to_f

  if graph_name
    statements = []
    reader.each_statement do |statement|
      statement.graph_name = graph_name
      statements << statement
    end
    insert_statements(statements)
    statements.size
  else
    insert_statements(reader)
    nil
  end

  end_time_s = Time.now.to_f
  ph_record.graph_load_time_ms = (end_time_s - start_time_s) * 1000
  ph_record.save
  QaServer.config.performance_tracker.write "#{format('%.6f', end_time_s - start_time_s)}, " # load graph
end