Sha256: 980c383868c37bb16d0bf48a56ae410c570e7a711d06c484df0ee6b1219cc6db
Contents?: true
Size: 1013 Bytes
Versions: 6
Compression:
Stored size: 1013 Bytes
Contents
module SPARQL; module Algebra
class Operator
##
# The SPARQL ascending sort operator.
#
# @example
# (prefix ((foaf: <http://xmlns.com/foaf/0.1/>))
# (project (?name)
# (order ((asc ?name))
# (bgp (triple ?x foaf:name ?name)))))
#
# @see http://www.w3.org/TR/rdf-sparql-query/#func-isLiteral
class Asc < Operator::Unary
include Evaluatable
NAME = :asc
##
# Returns the evaluation of it's operand. Default comparison is in
# ascending order. Ordering is applied in {Order}.
#
# @param [RDF::Query::Solution] bindings
# a query solution containing zero or more variable bindings
# @param [Hash{Symbol => Object}] options ({})
# options passed from query
# @return [RDF::Term]
def evaluate(bindings, options = {})
operand(0).evaluate(bindings, options.merge(:depth => options[:depth].to_i + 1))
end
end # Asc
end # Operator
end; end # SPARQL::Algebra
Version data entries
6 entries across 6 versions & 1 rubygems