Class: SPARQL::Algebra::Operator::Nullary Abstract

Inherits:
SPARQL::Algebra::Operator show all
Defined in:
vendor/bundler/ruby/3.0.0/bundler/gems/sparql-cfe233ce39cd/lib/sparql/algebra/operator.rb

Overview

This class is abstract.

A SPARQL nullary operator.

Operators of this kind take no operands.

Direct Known Subclasses

Now, Rand, StrUUID, UUID

Constant Summary collapse

ARITY =
0

Constants inherited from SPARQL::Algebra::Operator

IsURI, URI

Constants included from RDF::Util::Logger

RDF::Util::Logger::IOWrapper

Instance Attribute Summary

Attributes inherited from SPARQL::Algebra::Operator

#operands

Instance Method Summary collapse

Methods inherited from SPARQL::Algebra::Operator

#aggregate?, arity, #base_uri, base_uri, base_uri=, #bind, #boolean, #constant?, #deep_dup, #each_descendant, #eql?, #evaluatable?, evaluate, #executable?, #first_ancestor, for, #formulae, #inspect, #ndvars, #node?, #operand, #optimize, #optimize!, #parent, #parent=, #prefixes, prefixes, prefixes=, #rewrite, #to_binary, #to_sxp, #to_sxp_bin, #validate!, #variable?, #vars

Methods included from Expression

cast, #constant?, #evaluate, extension, extensions, for, #invalid?, new, #node?, open, #optimize, #optimize!, parse, register_extension, #to_sxp_bin, #valid?, #validate!, #variable?

Methods included from RDF::Util::Logger

#log_debug, #log_depth, #log_error, #log_fatal, #log_info, #log_recover, #log_recovering?, #log_statistics, #log_warn, #logger

Constructor Details

#initialize(**options) ⇒ Nullary

Returns a new instance of Nullary.

Parameters:



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# File 'vendor/bundler/ruby/3.0.0/bundler/gems/sparql-cfe233ce39cd/lib/sparql/algebra/operator.rb', line 760

def initialize(**options)
  super
end