Class: RDF::Normalize::Carroll2001
- Includes:
- Enumerable
- Defined in:
- vendor/bundler/ruby/3.3.0/bundler/gems/rdf-normalize-5170ab39c807/lib/rdf/normalize/carroll2001.rb
Instance Attribute Summary
Attributes included from Enumerable
Attributes inherited from Base
Instance Method Summary collapse
- #each(&block) ⇒ Object
-
#initialize(enumerable, **options) ⇒ RDF::Enumerable
constructor
Create an enumerable with grounded nodes.
Methods included from Enumerable
add_entailment, #canonicalize, #canonicalize!, #dump, #each_graph, #each_object, #each_predicate, #each_quad, #each_statement, #each_subject, #each_term, #each_triple, #entail, #enum_graph, #enum_object, #enum_predicate, #enum_quad, #enum_statement, #enum_subject, #enum_term, #enum_triple, #graph?, #graph_names, #invalid?, #method_missing, #object?, #objects, #predicate?, #predicates, #project_graph, #quad?, #quads, #respond_to_missing?, #statement?, #statements, #subject?, #subjects, #supports?, #term?, #terms, #to_a, #to_h, #to_set, #triple?, #triples, #valid?, #validate!
Methods included from Util::Aliasing::LateBound
Methods included from Isomorphic
#bijection_to, #isomorphic_with?
Methods included from Countable
Methods inherited from Base
Constructor Details
#initialize(enumerable, **options) ⇒ RDF::Enumerable
Create an enumerable with grounded nodes
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# File 'vendor/bundler/ruby/3.3.0/bundler/gems/rdf-normalize-5170ab39c807/lib/rdf/normalize/carroll2001.rb', line 10 def initialize(enumerable, **) @dataset = enumerable end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method in the class RDF::Enumerable
Instance Method Details
#each(&block) ⇒ Object
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# File 'vendor/bundler/ruby/3.3.0/bundler/gems/rdf-normalize-5170ab39c807/lib/rdf/normalize/carroll2001.rb', line 14 def each(&block) ground_statements, anon_statements = [], [] dataset.each_statement do |statement| (statement.has_blank_nodes? ? anon_statements : ground_statements) << statement end nodes = anon_statements.map(&:to_quad).flatten.compact.select(&:node?).uniq # Create a hash signature of every node, based on the signature of # statements it exists in. # We also save hashes of nodes that cannot be reliably known; we will use # that information to eliminate possible recursion combinations. # # Any mappings given in the method parameters are considered grounded. hashes, ungrounded_hashes = hash_nodes(anon_statements, nodes, {}) # FIXME: likely need to iterate until hashes and ungrounded_hashes are the same size while hashes.size != ungrounded_hashes.size raise "Not done" end # Enumerate all statements, replacing nodes with new ground nodes using the hash as an identifier ground_statements.each(&block) anon_statements.each do |statement| quad = statement.to_quad.compact.map do |term| term.node? ? RDF::Node.intern(hashes[term]) : term end block.call RDF::Statement.from(quad) end end |