Class: ShEx::Algebra::And
- Includes:
- ShapeExpression
- Defined in:
- vendor/bundler/ruby/3.3.0/bundler/gems/shex-f64040a493d0/lib/shex/algebra/and.rb
Constant Summary collapse
- NAME =
:and
Constants inherited from Operator
Constants included from SPARQL::Algebra::Expression
SPARQL::Algebra::Expression::PATTERN_PARENTS
Constants included from RDF::Util::Logger
Instance Attribute Summary
Attributes inherited from Operator
#id, #logger, #operands, #options, #schema
Class Method Summary collapse
-
.from_shexj(operator, **options) ⇒ Operator
Creates an operator instance from a parsed ShExJ representation.
Instance Method Summary collapse
-
#initialize(*args, **options) ⇒ And
constructor
A new instance of And.
- #json_type ⇒ Object
-
#satisfies?(focus, depth: 0) ⇒ Boolean, ShapeExpression
S is a ShapeAnd and for every shape expression se2 in shapeExprs, satisfies(n, se2, G, m).
-
#validate! ⇒ Operator
expressions must be ShapeExpressions or references to ShapeExpressions.
Methods included from ShapeExpression
#validate_expressions!, #validate_self_references!
Methods inherited from Operator
#base_uri, #closed?, #dup, #each_descendant, #eql?, #expression, #expressions, #find, #focus, #focus=, #inspect, #iri, iri, #matched, #matched=, #message, #message=, #not_matched, #not_satisfied, #operand, #parent, #parent=, #references, #satisfied, #satisfied=, #satisfy, #semact?, #semantic_actions, #serialize_value, #status, #structure_error, #to_h, #to_json, #to_sxp, #to_sxp_bin, #triple_expression?, #unmatched, #unmatched=, #unsatisfied, #unsatisfied=, value, #value
Methods included from SPARQL::Algebra::Expression
cast, #constant?, #evaluate, extension, extension?, extensions, for, #invalid?, new, #node?, open, #optimize, #optimize!, parse, register_extension, #to_sxp_bin, #valid?, #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(*args, **options) ⇒ And
Returns a new instance of And.
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# File 'vendor/bundler/ruby/3.3.0/bundler/gems/shex-f64040a493d0/lib/shex/algebra/and.rb', line 7 def initialize(*args, **) case when args.length < 2 raise ArgumentError, "wrong number of arguments (given #{args.length}, expected 2..)" end # All arguments must be ShapeExpression raise ArgumentError, "All operands must be Shape operands or resource" unless args.all? {|o| o.is_a?(ShapeExpression) || o.is_a?(RDF::Resource)} super end |
Class Method Details
.from_shexj(operator, **options) ⇒ Operator
Creates an operator instance from a parsed ShExJ representation
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# File 'vendor/bundler/ruby/3.3.0/bundler/gems/shex-f64040a493d0/lib/shex/algebra/and.rb', line 22 def self.from_shexj(operator, **) raise ArgumentError unless operator.is_a?(Hash) && operator['type'] == 'ShapeAnd' raise ArgumentError, "missing shapeExprs in #{operator.inspect}" unless operator.has_key?('shapeExprs') super end |
Instance Method Details
#json_type ⇒ Object
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# File 'vendor/bundler/ruby/3.3.0/bundler/gems/shex-f64040a493d0/lib/shex/algebra/and.rb', line 74 def json_type "ShapeAnd" end |
#satisfies?(focus, depth: 0) ⇒ Boolean, ShapeExpression
S is a ShapeAnd and for every shape expression se2 in shapeExprs, satisfies(n, se2, G, m).
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# File 'vendor/bundler/ruby/3.3.0/bundler/gems/shex-f64040a493d0/lib/shex/algebra/and.rb', line 33 def satisfies?(focus, depth: 0) status "" satisfied = [] unsatisfied = expressions.dup # Operand raises NotSatisfied, so no need to check here. expressions.each do |op| satisfied << case op when RDF::Resource schema.enter_shape(op, focus) do |shape| if shape shape.satisfies?(focus, depth: depth + 1) else status "Satisfy as #{op} was re-entered for #{focus}", depth: depth end end when ShapeExpression op.satisfies?(focus, depth: depth + 1) end unsatisfied.shift end satisfy focus: focus, satisfied: satisfied, depth: depth rescue ShEx::NotSatisfied => e not_satisfied e., focus: focus, satisfied: satisfied, unsatisfied: unsatisfied, depth: depth end |
#validate! ⇒ Operator
expressions must be ShapeExpressions or references to ShapeExpressions
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# File 'vendor/bundler/ruby/3.3.0/bundler/gems/shex-f64040a493d0/lib/shex/algebra/and.rb', line 68 def validate! validate_expressions! validate_self_references! super end |