Struct ForecastCache 

pub struct ForecastCache { /* private fields */ }

Cache of materialized forecasts.

Implementations

impl ForecastCache

pub fn new(default_max_age: Duration) -> Self

Create a new forecast cache.

pub fn with_max_entries(self, max: usize) -> Self

Create a cache with a custom capacity limit.

pub fn store( &self, measurement: &str, tags: &BTreeMap<String, String>, result: ForecastResult, horizon: usize, )

Store a materialized forecast.

pub fn get( &self, measurement: &str, tags: &BTreeMap<String, String>, ) -> Option<MaterializedForecast>

Look up a cached forecast, returning it if fresh.

pub fn get_any( &self, measurement: &str, tags: &BTreeMap<String, String>, ) -> Option<MaterializedForecast>

Get a cached forecast regardless of freshness.

pub fn len(&self) -> usize

Number of cached forecasts.

pub fn is_empty(&self) -> bool

Whether the cache is empty.

pub fn evict_stale(&self) -> usize

Remove all stale entries.

pub fn invalidate(&self, measurement: &str, tags: &BTreeMap<String, String>)

Invalidate a specific series.

pub fn clear(&self)

Clear all cached forecasts.

Trait Implementations

impl Default for ForecastCache

fn default() -> Self

Returns the “default value” for a type.