Class: SPARQL::Algebra::Operator::StrLang
- Inherits:
-
Binary
- Object
- SPARQL::Algebra::Operator
- Binary
- SPARQL::Algebra::Operator::StrLang
- Includes:
- Evaluatable
- Defined in:
- vendor/bundler/ruby/3.3.0/bundler/gems/sparql-36baa432eb7f/lib/sparql/algebra/operator/strlang.rb
Overview
The SPARQL strlang
operator.
[121] BuiltInCall ::= ... | 'STRLANG' '(' Expression ',' Expression ')'
Constant Summary collapse
- NAME =
:strlang
Constants inherited from Binary
Constants inherited from SPARQL::Algebra::Operator
Constants included from Expression
Constants included from RDF::Util::Logger
Instance Attribute Summary
Attributes inherited from SPARQL::Algebra::Operator
Instance Method Summary collapse
-
#apply(value, langTag, **options) ⇒ RDF::Literal
Constructs a literal with lexical form and type as specified by the arguments.
-
#to_sparql(**options) ⇒ String
Returns a partial SPARQL grammar for this operator.
Methods included from Evaluatable
#evaluate, #memoize, #replace_aggregate!, #replace_vars!
Methods inherited from Binary
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, #initialize, #inspect, #ndvars, #node?, #operand, #optimize, #optimize!, #parent, #parent=, prefixes, #prefixes, prefixes=, #rewrite, #to_binary, to_sparql, #to_sxp, #to_sxp_bin, #validate!, #variable?, #variables, #vars
Methods included from Expression
cast, #constant?, #evaluate, extension, 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
This class inherits a constructor from SPARQL::Algebra::Operator::Binary
Instance Method Details
#apply(value, langTag, **options) ⇒ RDF::Literal
Constructs a literal with lexical form and type as specified by the arguments.
37 38 39 40 |
# File 'vendor/bundler/ruby/3.3.0/bundler/gems/sparql-36baa432eb7f/lib/sparql/algebra/operator/strlang.rb', line 37 def apply(value, langTag, **) raise TypeError, "Literal #{value.inspect} is not simple" unless value.simple? RDF::Literal.new(value.to_s, language: langTag.to_s) end |
#to_sparql(**options) ⇒ String
Returns a partial SPARQL grammar for this operator.
47 48 49 |
# File 'vendor/bundler/ruby/3.3.0/bundler/gems/sparql-36baa432eb7f/lib/sparql/algebra/operator/strlang.rb', line 47 def to_sparql(**) "STRLANG(" + operands.to_sparql(delimiter: ', ', **) + ")" end |