Trait Store 

pub trait Store: Send + Sync {
    // Required methods
    fn insert_quad(&self, quad: Quad) -> Result<bool>;
    fn remove_quad(&self, quad: &Quad) -> Result<bool>;
    fn find_quads(
        &self,
        subject: Option<&Subject>,
        predicate: Option<&Predicate>,
        object: Option<&Object>,
        graph_name: Option<&GraphName>,
    ) -> Result<Vec<Quad>>;
    fn is_ready(&self) -> bool;
    fn len(&self) -> Result<usize>;
    fn is_empty(&self) -> Result<bool>;
    fn query(&self, sparql: &str) -> Result<OxirsQueryResults>;
    fn prepare_query(&self, sparql: &str) -> Result<PreparedQuery>;

    // Provided methods
    fn insert_triple(&self, triple: Triple) -> Result<bool> { ... }
    fn insert(&self, quad: &Quad) -> Result<()> { ... }
    fn remove(&self, quad: &Quad) -> Result<bool> { ... }
    fn quads(&self) -> Result<Vec<Quad>> { ... }
    fn named_graphs(&self) -> Result<Vec<NamedNode>> { ... }
    fn graphs(&self) -> Result<Vec<NamedNode>> { ... }
    fn named_graph_quads(&self) -> Result<Vec<Quad>> { ... }
    fn default_graph_quads(&self) -> Result<Vec<Quad>> { ... }
    fn graph_quads(&self, graph: Option<&NamedNode>) -> Result<Vec<Quad>> { ... }
    fn clear_all(&self) -> Result<usize> { ... }
    fn clear_named_graphs(&self) -> Result<usize> { ... }
    fn clear_default_graph(&self) -> Result<usize> { ... }
    fn clear_graph(&self, _graph: Option<&GraphName>) -> Result<usize> { ... }
    fn create_graph(&self, _graph: Option<&NamedNode>) -> Result<()> { ... }
    fn drop_graph(&self, _graph: Option<&GraphName>) -> Result<()> { ... }
    fn load_from_url(
        &self,
        _url: &str,
        _graph: Option<&NamedNode>,
    ) -> Result<usize> { ... }
    fn triples(&self) -> Result<Vec<Triple>> { ... }
}

Store trait for RDF operations

Required Methods

fn insert_quad(&self, quad: Quad) -> Result<bool>

Insert a quad into the store

fn remove_quad(&self, quad: &Quad) -> Result<bool>

Remove a quad from the store

fn find_quads( &self, subject: Option<&Subject>, predicate: Option<&Predicate>, object: Option<&Object>, graph_name: Option<&GraphName>, ) -> Result<Vec<Quad>>

Find quads matching the given pattern

fn is_ready(&self) -> bool

Check if the store is ready for operations

fn len(&self) -> Result<usize>

Get the number of quads in the store

fn is_empty(&self) -> Result<bool>

Check if the store is empty

fn query(&self, sparql: &str) -> Result<OxirsQueryResults>

Query the store with SPARQL

fn prepare_query(&self, sparql: &str) -> Result<PreparedQuery>

Prepare a SPARQL query for execution

Provided Methods

fn insert_triple(&self, triple: Triple) -> Result<bool>

Insert a triple into the default graph

fn insert(&self, quad: &Quad) -> Result<()>

Insert a quad (compatibility method)

fn remove(&self, quad: &Quad) -> Result<bool>

Remove a quad (compatibility method)

fn quads(&self) -> Result<Vec<Quad>>

Get all quads in the store

fn named_graphs(&self) -> Result<Vec<NamedNode>>

Get all named graphs

fn graphs(&self) -> Result<Vec<NamedNode>>

Get all graphs

fn named_graph_quads(&self) -> Result<Vec<Quad>>

Get quads from named graphs only

fn default_graph_quads(&self) -> Result<Vec<Quad>>

Get quads from the default graph only

fn graph_quads(&self, graph: Option<&NamedNode>) -> Result<Vec<Quad>>

Get quads from a specific graph

fn clear_all(&self) -> Result<usize>

Clear all data from all graphs

fn clear_named_graphs(&self) -> Result<usize>

Clear all named graphs (but not the default graph)

fn clear_default_graph(&self) -> Result<usize>

Clear the default graph only

fn clear_graph(&self, _graph: Option<&GraphName>) -> Result<usize>

Clear a specific graph

fn create_graph(&self, _graph: Option<&NamedNode>) -> Result<()>

Create a new graph (if it doesn’t exist)

fn drop_graph(&self, _graph: Option<&GraphName>) -> Result<()>

Drop a graph (remove the graph and all its quads)

fn load_from_url(&self, _url: &str, _graph: Option<&NamedNode>) -> Result<usize>

Load data from a URL into a graph

fn triples(&self) -> Result<Vec<Triple>>

Get all triples in the store (converts quads to triples)

Implementors

impl Store for ConcreteStore

impl Store for RdfStore