Module: RDF::Term

Included in:
N3::Algebra::Formula, N3::List
Defined in:
lib/rdf/n3/refinements.rb,
lib/rdf/n3/extensions.rb

Overview

Refinements on RDF::Node

Instance Method Summary collapse

Instance Method Details

#as_datetime ⇒ RDF::Literal::DateTime

Parse the value as a dateTime literal, or return now.

Returns:

  • (RDF::Literal::DateTime) 


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# File 'lib/rdf/n3/extensions.rb', line 78

def as_datetime
  RDF::Literal::DateTime.new(DateTime.now)
end

#as_number ⇒ RDF::Literal::Numeric

Parse the value as a numeric literal, or return 0.

Returns:

  • (RDF::Literal::Numeric) 


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# File 'lib/rdf/n3/extensions.rb', line 70

def as_number
  RDF::Literal(0)
end

#evaluate(bindings, formulae:, **options) ⇒ RDF::Node, RDF::N3::Algebra::Formula

Blank node may refer to a formula.

Parameters:

  • bindings (Hash{Symbol => RDF::Term}) —

    a query solution containing zero or more variable bindings

  • options (Hash{Symbol => Object}) —

    ({}) options passed from query

Returns:

See Also:

  • SPARQL::Algebra::Expression.evaluate


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# File 'lib/rdf/n3/refinements.rb', line 12

def evaluate(bindings, formulae: nil, **options); end

#sameTerm?(other) ⇒ Boolean

Is this the same term? Like #eql?, but no variable matching

Returns:

  • (Boolean) 


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# File 'lib/rdf/n3/extensions.rb', line 62

def sameTerm?(other)
  eql?(other)
end