Struct CompareAndSwapTransaction 

pub struct CompareAndSwapTransaction { /* private fields */ }

Implementations

impl CompareAndSwapTransaction

pub fn tx_get<Id: EntryId>( &self, id: Id, ) -> Result<Option<Id::Entry>, DatabaseError>

Gets the latest version of the item in the transaction context, looking it up in the database if its unmodified

Errors

Errors if DatabaseEntry::db_get() errors

pub fn tx_remove<Id: EntryId>(&mut self, key: Id) -> Result<(), DatabaseError>

pub fn tx_upsert<T: DatabaseEntry>( &mut self, key: T::Id, new: Option<T>, ) -> Result<(), DatabaseError>

pub fn tx_insert<T: DatabaseEntry>( &mut self, item: T, ) -> Result<(), DatabaseError>

pub fn get_or_new_request<T: DatabaseEntry>( &mut self, ) -> &mut TreeCompareAndSwap<T>

pub fn trees(&self) -> Vec<&Tree>

impl CompareAndSwapTransaction

pub fn relink_track_to_album( &mut self, track_id: TrackId, album: Option<AlbumId>, ) -> Result<bool, DatabaseError>

Applies a two-way relinking operation, relinking to the track to a new (or no) album, and disconnecting the tracks old album, if any

pub fn album_set_and_relink_artists( &mut self, album_id: AlbumId, artists: &[ArtistId], ) -> Result<bool, DatabaseError>

Applies a two-way relinking operation, relinking artists to the album, and disconnecting references from removed artists

pub fn album_set_and_relink_tracks( &mut self, album_id: AlbumId, tracks: &[TrackId], ) -> Result<bool, DatabaseError>

Applies a two-way relinking operation, relinking tracks to the album, and disconnecting references from removed tracks

Trait Implementations

impl Debug for CompareAndSwapTransaction

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

Formats the value using the given formatter.