Struct FlagCache 

pub struct FlagCache { /* private fields */ }

Thread-safe cache for feature flag definitions.

Stores feature flags, group type mappings, and cohort definitions that have been fetched from the PostHog API. The cache is shared between the poller (which updates it) and the evaluator (which reads from it).

Implementations

impl FlagCache

pub fn new() -> Self

Create an empty shared flag cache.

pub fn update(&self, response: LocalEvaluationResponse)

Replace cached flags, group type mappings, and cohorts from a local evaluation API response.

pub fn get_flag(&self, key: &str) -> Option<FeatureFlag>

Return a cached feature flag by key.

pub fn get_all_flags(&self) -> Vec<FeatureFlag>

Return all cached feature flag definitions.

pub fn get_cohort(&self, id: &str) -> Option<Cohort>

Return a cached cohort by ID.

pub fn get_all_cohorts(&self) -> HashMap<String, Cohort>

Return all cached cohorts, keyed by cohort ID.

pub fn get_cohort_definitions(&self) -> HashMap<String, CohortDefinition>

Get all cohorts as CohortDefinitions for evaluation context

pub fn get_flags_map(&self) -> HashMap<String, FeatureFlag>

Get all flags as a HashMap for evaluation context

pub fn get_group_type_mapping(&self) -> HashMap<String, String>

Get the group type mapping (group type index → group type name).

pub fn clear(&self)

Remove all cached flags, group type mappings, and cohorts.

Trait Implementations

impl Clone for FlagCache

fn clone(&self) -> FlagCache

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for FlagCache

fn default() -> Self

Returns the “default value” for a type.