Struct StrategyCompactorBuilder 

pub struct StrategyCompactorBuilder { /* private fields */ }

Builder for StrategyCompactor.

Implementations

impl StrategyCompactorBuilder

pub fn trigger<T>(self, trigger: T) -> Self

where T: Fn(&[Item], MutationPoint) -> Option<CompactionReason> + Send + Sync + 'static,

Set the trigger closure.

pub fn item_count_trigger(self, max_items: usize) -> Self

Fire when the transcript exceeds max_items.

pub fn strategy(self, strategy: impl CompactionStrategy + 'static) -> Self

Set the strategy.

pub fn backend(self, backend: impl CompactionBackend + 'static) -> Self

Attach a backend for strategies that need summarisation.

pub fn shared_backend(self, backend: Arc<dyn CompactionBackend>) -> Self

Reuse an existing Arc<dyn CompactionBackend>.

pub fn metadata(self, metadata: MetadataMap) -> Self

Set metadata forwarded to every strategy invocation.

pub fn build(self) -> Result<StrategyCompactor, StrategyCompactorBuildError>

Build the configured StrategyCompactor.

Trait Implementations

impl Default for StrategyCompactorBuilder

fn default() -> StrategyCompactorBuilder

Returns the “default value” for a type.