class RDF::N3::Algebra::Time::DayOfWeek

For a date-time, its time:dayOfWeek is the the day number within the week, Sunday being 0.

Constants

NAME
URI

Public Instance Methods

resolve(resource, position:) click to toggle source

The time:dayOfWeek operator takes string or dateTime and returns the 0-based day of the week.

@param [RDF::Term] resource @param [:subject, :object] position @return [RDF::Term] @see RDF::N3::ResourceOperator#evaluate

# File lib/rdf/n3/algebra/time/day_of_week.rb, line 15
def resolve(resource, position:)
  case position
  when :subject
    return nil unless resource.literal?
    resource = resource.as_datetime
    RDF::Literal(resource.object.strftime("%w").to_i)
  when :object
    return nil unless resource.literal? || resource.variable?
    resource
  end
end