Struct Transaction 

pub struct Transaction<'a> { /* private fields */ }

A transaction with a TypeDB database.

Implementations

impl Transaction<'_>

pub fn is_open(&self) -> bool

Closes the transaction.

Examples

transaction.close()

pub fn type_(&self) -> TransactionType

Retrieves the transaction’s type (READ or WRITE).

pub fn query(&self) -> QueryManager<'_>

Retrieves theQueryManager for this Transaction, from which any TypeQL query can be executed.

pub fn concept(&self) -> ConceptManager<'_>

The ConceptManager for this transaction, providing access to all Concept API methods.

pub fn logic(&self) -> LogicManager<'_>

Retrieves the LogicManager for this Transaction, providing access to all Concept API - Logic methods.

pub fn on_close( &self, callback: impl FnOnce(ConnectionError) + Send + Sync + 'static, )

Registers a callback function which will be executed when this transaction is closed.

Arguments

• function – The callback function.

Examples

transaction.on_close(function)

pub fn force_close(&self)

Closes the transaction.

Examples

transaction.force_close()

pub fn commit(self) -> impl Promise<'static, Result>

Commits the changes made via this transaction to the TypeDB database. Whether or not the transaction is commited successfully, it gets closed after the commit call.

Examples

transaction.commit().await

pub fn rollback(&self) -> impl Promise<'_, Result>

Rolls back the uncommitted changes made via this transaction.

Examples

transaction.rollback().await

Trait Implementations

impl Debug for Transaction<'_>

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

Formats the value using the given formatter.