Struct SRDFGraph

pub struct SRDFGraph { /* private fields */ }

Implementations

impl SRDFGraph

pub fn new() -> Self

pub fn len(&self) -> usize

pub fn quads(&self) -> impl Iterator<Item = Quad> + '_

pub fn is_empty(&self) -> bool

pub fn merge_from_reader<R: Read>( &mut self, read: R, format: &RDFFormat, base: Option<&str>, reader_mode: &ReaderMode, ) -> Result<(), SRDFGraphError>

pub fn merge_prefixes( &mut self, prefixmap: PrefixMap, ) -> Result<(), SRDFGraphError>

pub fn from_reader<R: Read>( read: R, format: &RDFFormat, base: Option<&str>, reader_mode: &ReaderMode, ) -> Result<SRDFGraph, SRDFGraphError>

pub fn resolve(&self, str: &str) -> Result<OxNamedNode, SRDFGraphError>

pub fn show_blanknode(&self, bn: &OxBlankNode) -> String

pub fn show_literal(&self, lit: &OxLiteral) -> String

pub fn from_str( data: &str, format: &RDFFormat, base: Option<&str>, reader_mode: &ReaderMode, ) -> Result<SRDFGraph, SRDFGraphError>

pub fn merge_from_path<P: AsRef<Path>>( &mut self, path: P, format: &RDFFormat, base: Option<&str>, reader_mode: &ReaderMode, ) -> Result<(), SRDFGraphError>

pub fn from_path<P: AsRef<Path>>( path: P, format: &RDFFormat, base: Option<&str>, reader_mode: &ReaderMode, ) -> Result<SRDFGraph, SRDFGraphError>

pub fn parse_data( data: &String, format: &RDFFormat, base: &Path, reader_mode: &ReaderMode, ) -> Result<SRDFGraph, SRDFGraphError>

pub fn prefixmap(&self) -> PrefixMap

Trait Implementations

impl AsyncSRDF for SRDFGraph

type IRI = NamedNode

type BNode = BlankNode

type Literal = Literal

type Subject = Subject

type Term = Term

type Err = SRDFGraphError

fn get_predicates_subject<'life0, 'life1, 'async_trait>( &'life0 self, subject: &'life1 OxSubject, ) -> Pin<Box<dyn Future<Output = Result<HashSet<OxNamedNode>, SRDFGraphError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

fn get_objects_for_subject_predicate<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, subject: &'life1 OxSubject, pred: &'life2 OxNamedNode, ) -> Pin<Box<dyn Future<Output = Result<HashSet<OxTerm>, SRDFGraphError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

fn get_subjects_for_object_predicate<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, object: &'life1 OxTerm, pred: &'life2 OxNamedNode, ) -> Pin<Box<dyn Future<Output = Result<HashSet<OxSubject>, SRDFGraphError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

impl Clone for SRDFGraph

fn clone(&self) -> SRDFGraph

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SRDFGraph

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SRDFGraph

fn default() -> SRDFGraph

Returns the “default value” for a type.

impl FocusRDF for SRDFGraph

fn set_focus(&mut self, focus: &Self::Term)

Set the value of the focus node

fn get_focus(&self) -> &Option<Self::Term>

Get the focus node if it exists

fn get_focus_as_term(&self) -> Result<&Self::Term, RDFParseError>

Get the current focus as a Term

fn get_focus_as_subject(&self) -> Result<Self::Subject, RDFParseError>

Get the current focus as a Subject

impl SRDF for SRDFGraph

fn predicates_for_subject( &self, subject: &Self::Subject, ) -> Result<HashSet<Self::IRI>, Self::Err>

fn objects_for_subject_predicate( &self, subject: &Self::Subject, pred: &Self::IRI, ) -> Result<HashSet<Self::Term>, Self::Err>

fn subjects_with_predicate_object( &self, pred: &Self::IRI, object: &Self::Term, ) -> Result<HashSet<Self::Subject>, Self::Err>

fn outgoing_arcs( &self, subject: &Self::Subject, ) -> Result<HashMap<Self::IRI, HashSet<Self::Term>>, Self::Err>

fn incoming_arcs( &self, object: &Self::Term, ) -> Result<HashMap<Self::IRI, HashSet<Self::Subject>>, Self::Err>

fn outgoing_arcs_from_list( &self, subject: &Self::Subject, preds: &[Self::IRI], ) -> Result<(HashMap<Self::IRI, HashSet<Self::Term>>, Vec<Self::IRI>), Self::Err>

get outgoing arcs from a node taking into account only a controlled list of preds It returns a HashMap with the outgoing arcs and their values and a list of the predicates that have values and are not in the controlled list.

fn triples_with_predicate( &self, pred: &Self::IRI, ) -> Result<Vec<Triple<Self>>, Self::Err>

fn neighs( &self, node: &Self::Term, ) -> Result<ListOfIriAndTerms<Self::IRI, Self::Term>, Self::Err>

Get the neighbours of a term This code creates an intermediate vector and is not very efficient TODO: return an iterator

impl SRDFBasic for SRDFGraph

type IRI = NamedNode

RDF predicates

type BNode = BlankNode

Blannk nodes

type Literal = Literal

RDF Literals

type Subject = Subject

RDF subjects

type Term = Term

RDF terms

type Err = SRDFGraphError

RDF errors

fn subject_as_iri(subject: &OxSubject) -> Option<OxNamedNode>

Returns the RDF subject as an IRI if it is an IRI, None if it isn’t

fn subject_as_bnode(subject: &OxSubject) -> Option<OxBlankNode>

Returns the RDF subject as a Blank Node if it is a blank node, None if it isn’t

fn subject_is_iri(subject: &OxSubject) -> bool

Returns true if the subject is an IRI

fn subject_is_bnode(subject: &OxSubject) -> bool

Returns true if the subject is a Blank Node

fn term_as_iri(object: &OxTerm) -> Option<&OxNamedNode>

fn term_as_bnode(object: &OxTerm) -> Option<OxBlankNode>

fn term_as_literal(object: &OxTerm) -> Option<OxLiteral>

fn term_is_iri(object: &OxTerm) -> bool

fn term_is_bnode(object: &OxTerm) -> bool

fn term_is_literal(object: &OxTerm) -> bool

fn subject_as_term(subject: &Self::Subject) -> Self::Term

fn term_as_subject(object: &Self::Term) -> Option<Self::Subject>

fn lexical_form(literal: &OxLiteral) -> &str

fn lang(literal: &OxLiteral) -> Option<String>

fn datatype(literal: &OxLiteral) -> OxNamedNode

fn iri_s2iri(iri_s: &IriS) -> OxNamedNode

fn iri_as_term(iri: OxNamedNode) -> OxTerm

fn iri_as_subject(iri: OxNamedNode) -> OxSubject

fn iri2iri_s(iri: &OxNamedNode) -> IriS

fn term_s2term(term: &OxTerm) -> Self::Term

fn term_as_object(term: &OxTerm) -> Object

fn resolve_prefix_local( &self, prefix: &str, local: &str, ) -> Result<IriS, PrefixMapError>

Resolves a a prefix and a local name and obtains the corresponding full IriS

fn qualify_iri(&self, node: &Self::IRI) -> String

fn qualify_subject(&self, subj: &OxSubject) -> String

fn qualify_term(&self, term: &OxTerm) -> String

fn prefixmap(&self) -> Option<PrefixMap>

fn bnode_id2bnode(id: &str) -> Self::BNode

fn bnode_as_term(bnode: Self::BNode) -> Self::Term

fn object_as_term(obj: &Object) -> Self::Term

fn bnode_as_subject(bnode: Self::BNode) -> Self::Subject

fn term_as_boolean(object: &Self::Term) -> Option<bool>

fn object_as_subject(obj: &Object) -> Option<Self::Subject>

fn literal_as_boolean(literal: &Self::Literal) -> Option<bool>

fn literal_as_integer(literal: &Self::Literal) -> Option<isize>

fn literal_as_string(literal: &Self::Literal) -> Option<String>

fn term_as_iri_s(term: &Self::Term) -> Option<IriS>

fn term_as_integer(term: &Self::Term) -> Option<isize>

fn term_as_string(term: &Self::Term) -> Option<String>

fn subject_as_object(subject: &Self::Subject) -> Object

fn datatype_str(literal: &Self::Literal) -> String

fn iri_s2subject(iri_s: &IriS) -> Self::Subject

fn iri_s2term(iri_s: &IriS) -> Self::Term

fn bnode_id2term(id: &str) -> Self::Term

fn bnode_id2subject(id: &str) -> Self::Subject

impl SRDFBuilder for SRDFGraph

fn add_base(&mut self, base: &Option<IriS>) -> Result<(), Self::Err>

Adds an optional IRI as base

fn add_prefix(&mut self, alias: &str, iri: &IriS) -> Result<(), Self::Err>

Adds a prefix declaration to the current RDF graph

fn add_prefix_map(&mut self, prefix_map: PrefixMap) -> Result<(), Self::Err>

Adds a prefix map declaration to the current RDF graph

fn add_triple( &mut self, subj: &Self::Subject, pred: &Self::IRI, obj: &Self::Term, ) -> Result<(), Self::Err>

Adds an RDF triple to the current RDF graph

fn remove_triple( &mut self, subj: &Self::Subject, pred: &Self::IRI, obj: &Self::Term, ) -> Result<(), Self::Err>

Removes an RDf triple to the current RDF graph

fn add_type( &mut self, node: &RDFNode, type: Self::Term, ) -> Result<(), Self::Err>

Adds an rdf:type declaration to the current RDF graph

fn empty() -> Self

Returns an empty RDF graph

fn serialize<W: Write>( &self, format: &RDFFormat, write: &mut W, ) -> Result<(), Self::Err>

Serialize the current graph to a Write implementation