class RDF::N3::Algebra::Log::EqualTo

True if the subject and object are the same RDF node (symbol or literal). Do not confuse with owl:sameAs. A cwm built-in logical operator, RDF graph level.

Constants

NAME
URI

Public Instance Methods

apply(left, right) click to toggle source

@param [RDF::Literal] left

a literal

@param [RDF::Literal] right

a literal

@return [RDF::Literal::Boolean]

# File lib/rdf/n3/algebra/log/equal_to.rb, line 30
def apply(left, right)
  RDF::Literal(left.sameTerm?(right))
end
input_operand() click to toggle source

Both subject and object are inputs.

# File lib/rdf/n3/algebra/log/equal_to.rb, line 20
def input_operand
  RDF::N3::List.new(values: operands)
end
resolve(resource, position:) click to toggle source

Resolves inputs as terms.

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

# File lib/rdf/n3/algebra/log/equal_to.rb, line 15
def resolve(resource, position:)
  resource if resource.term?
end