Struct NamedGraphTransaction 

pub struct NamedGraphTransaction { /* private fields */ }

Named graph transaction that extends ACID transactions with graph-specific operations

Implementations

impl NamedGraphTransaction

pub fn id(&self) -> TransactionId

Get the transaction ID

pub fn state(&self) -> TransactionState

Get the transaction state

pub fn isolation(&self) -> IsolationLevel

Get the isolation level

pub fn insert_into_graph( &mut self, graph: GraphName, subject: Subject, predicate: Predicate, object: Object, ) -> Result<bool, OxirsError>

Insert a quad into a named graph

pub fn delete_from_graph( &mut self, graph: GraphName, subject: Subject, predicate: Predicate, object: Object, ) -> Result<bool, OxirsError>

Delete a quad from a named graph

pub fn clear_graph(&mut self, graph: GraphName) -> Result<usize, OxirsError>

Clear all quads from a named graph

pub fn create_graph(&mut self, graph: NamedNode) -> Result<(), OxirsError>

Create a new named graph

pub fn drop_graph(&mut self, graph: NamedNode) -> Result<(), OxirsError>

Drop a named graph

pub fn copy_graph( &mut self, _source: GraphName, _destination: GraphName, ) -> Result<usize, OxirsError>

Copy one graph to another atomically

pub fn move_graph( &mut self, source: GraphName, destination: GraphName, ) -> Result<usize, OxirsError>

Move one graph to another atomically

pub fn add_graph( &mut self, _source: GraphName, _destination: GraphName, ) -> Result<usize, OxirsError>

Add (merge) one graph into another atomically

pub fn graph_stats(&self, graph: &GraphName) -> Option<GraphStats>

Get statistics about operations on a specific graph

pub fn modified_graphs(&self) -> Vec<GraphName>

Get all graphs modified in this transaction

pub fn lock_graph(&mut self, graph: GraphName) -> Result<(), OxirsError>

Acquire a lock on a graph (for serializable isolation)

pub fn commit(self) -> Result<(), OxirsError>

Commit the transaction

pub fn rollback(self) -> Result<(), OxirsError>

Rollback the transaction (abort)