Struct EngramBuilder 

pub struct EngramBuilder { /* private fields */ }

Builds an crate::Engram instance.

Implementations

impl EngramBuilder

pub fn storage(self, path: impl AsRef<Path>) -> Self

Selects the SQLite database file.

pub fn memory_capacity(self, bytes: u64) -> Self

Sets the approximate maximum L1 capacity in weighted bytes.

pub fn compression(self, compression: Compression) -> Self

Selects compression for newly persisted values.

pub fn compression_threshold(self, bytes: usize) -> Self

Compresses only values at least this large. The default is 1 KiB.

pub fn compress_only_if_smaller(self, enabled: bool) -> Self

When enabled (the default), stores raw bytes when Zstd does not shrink them.

pub fn sqlite_connections(self, connections: u32) -> Self

Sets the maximum number of SQLite connections used by this cache.

pub fn sqlite_synchronous(self, synchronous: SqliteSynchronous) -> Self

Selects SQLite’s WAL durability setting. SqliteSynchronous::Full is the default.

pub fn cleanup_interval(self, interval: Duration) -> Self

Enables periodic deletion of expired L2 rows. Disabled by default.

pub async fn build(self) -> Result<Engram>

Opens the database and initializes its schema.

Trait Implementations

impl Clone for EngramBuilder

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EngramBuilder

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

Formats the value using the given formatter.