Sha256: 3e5563b63a048bbc05d7efab55b1e6ef2065496e4d252ce8da08128295254010
Contents?: true
Size: 921 Bytes
Versions: 5
Compression:
Stored size: 921 Bytes
Contents
module SPARQL; module Algebra
class Operator
##
# The SPARQL logical `day` operator.
#
# @example
# (prefix ((: <http://example.org/>))
# (project (?s ?x)
# (extend ((?x (day ?date)))
# (bgp (triple ?s :date ?date)))))
#
# @see https://www.w3.org/TR/sparql11-query/#func-day
class Day < Operator::Unary
include Evaluatable
NAME = :day
##
# Returns the day part of `arg` as an integer.
#
# @param [RDF::Literal] operand
# the operand
# @return [RDF::Literal]
# @raise [TypeError] if the operand is not a simple literal
def apply(operand)
raise TypeError, "expected an RDF::Literal::DateTime, but got #{operand.inspect}" unless operand.is_a?(RDF::Literal::DateTime)
RDF::Literal(operand.object.day)
end
end # Day
end # Operator
end; end # SPARQL::Algebra
Version data entries
5 entries across 5 versions & 1 rubygems