Struct RetentionConfig 

pub struct RetentionConfig {
    pub default_days: u32,
    pub namespace_days: HashMap<Namespace, u32>,
    pub minimum_days: u32,
    pub batch_limit: usize,
}

Retention policy configuration.

Supports a default retention period and per-namespace overrides.

Fields

default_days: u32

Default retention period in days.

namespace_days: HashMap<Namespace, u32>

Per-namespace retention overrides.

Namespaces not in this map use default_days.

minimum_days: u32

Minimum retention period in days (cannot go below this).

Provides a safety floor to prevent accidental data loss.

batch_limit: usize

Maximum memories to process in a single GC run.

Prevents long-running GC operations.

Implementations

impl RetentionConfig

pub fn new() -> Self

Creates a new retention config with default values.

pub fn from_env() -> Self

Creates a retention config from environment variables.

Reads:

• SUBCOG_RETENTION_DAYS: Default retention period
• SUBCOG_RETENTION_MIN_DAYS: Minimum retention period
• SUBCOG_RETENTION_BATCH_LIMIT: Batch limit for GC runs
• SUBCOG_RETENTION_<NAMESPACE>_DAYS: Per-namespace overrides

pub const fn with_default_days(self, days: u32) -> Self

Sets the default retention period.

pub const fn with_minimum_days(self, days: u32) -> Self

Sets the minimum retention period.

pub const fn with_batch_limit(self, limit: usize) -> Self

Sets the batch limit.

pub fn with_namespace_days(self, namespace: Namespace, days: u32) -> Self

Sets a per-namespace retention override.

pub fn effective_days(&self, namespace: Namespace) -> u32

Gets the effective retention period for a namespace.

Returns the namespace-specific override if set, otherwise the default. The result is clamped to be at least minimum_days.

pub fn cutoff_timestamp(&self, namespace: Namespace) -> u64

Returns the cutoff timestamp for expired memories in a namespace.

Memories with created_at before this timestamp are considered expired.

Trait Implementations

impl Clone for RetentionConfig

fn clone(&self) -> RetentionConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RetentionConfig

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

Formats the value using the given formatter.

impl Default for RetentionConfig

fn default() -> Self

Returns the “default value” for a type.