Struct BlankNode¶

Defined in File BlankNode.hpp

Inheritance Relationships¶

Base Type¶

public rdf4cpp::Node (Struct Node)

Struct Documentation¶

struct BlankNode : public rdf4cpp::Node ¶

Public Functions

BlankNode() noexcept¶: Constructs the null-bnode

explicit BlankNode(storage::identifier::NodeBackendHandle handle) noexcept¶

explicit BlankNode(std::string_view identifier, storage::DynNodeStoragePtr node_storage = storage::default_node_storage)¶: Constructs a bnode from an identifier

BlankNode to_node_storage(storage::DynNodeStoragePtr node_storage) const¶

BlankNode try_get_in_node_storage(storage::DynNodeStoragePtr node_storage) const noexcept¶

CowString identifier() const noexcept¶

Get the string identifier of this. For BlankNode _:abc the identifier is abc.

Returns:: string identifier

FetchOrSerializeResult fetch_or_serialize_identifier(std::string_view &out, writer::BufWriterParts writer) const noexcept¶

See also

Literal::fetch_or_serialize_lexical_form

bool serialize(writer::BufWriterParts writer) const noexcept¶: See Node::serialize

std::strong_ordering order(BlankNode const &other) const noexcept¶

bool order_eq(BlankNode const &other) const noexcept¶

bool order_ne(BlankNode const &other) const noexcept¶

bool eq(BlankNode const &other) const noexcept¶

bool ne(BlankNode const &other) const noexcept¶

explicit operator std::string() const noexcept¶

bool is_literal() const noexcept = delete¶

bool is_variable() const noexcept = delete¶

bool is_blank_node() const noexcept = delete¶

bool is_iri() const noexcept = delete¶

Public Static Functions

static BlankNode make_null() noexcept¶: Constructs the null-bnode

static BlankNode make(std::string_view identifier, storage::DynNodeStoragePtr node_storage = storage::default_node_storage)¶: Constructs a bnode from an identifier

static BlankNode make_unchecked(std::string_view identifier, storage::DynNodeStoragePtr node_storage = storage::default_node_storage)¶: Constructs a bnode from an identifier

static BlankNode find(std::string_view identifier, storage::DynNodeStoragePtr node_storage = storage::default_node_storage) noexcept¶

searches for a bnode in the specified node storage and returns it. returns a null bnode, if not found.

Parameters:

iri –
node_storage –

Returns:

static void validate(std::string_view identifier)¶

Validates the given blank node identifier

Parameters:: identifier – identifier to validate
Throws:: ParsingError – if the blank node identifier is not valid

Friends

friend struct Node

friend std::ostream &operator<<(std::ostream &os, BlankNode const &node)¶