Struct TierConfig 

pub struct TierConfig {
    pub tier_level: usize,
    pub promotion_enabled: bool,
    pub ttl_scale: f64,
}

Configuration for a cache tier (used in builder pattern)

Fields

tier_level: usize

Tier level (1, 2, 3, 4…)

promotion_enabled: bool

Enable promotion to upper tiers on hit

ttl_scale: f64

TTL scale factor (1.0 = same as base TTL)

Implementations

impl TierConfig

pub fn new(tier_level: usize) -> Self

Create new tier configuration

pub fn as_l1() -> Self

Configure as L1 (hot tier)

pub fn as_l2() -> Self

Configure as L2 (warm tier)

pub fn as_l3() -> Self

Configure as L3 (cold tier) with longer TTL

pub fn as_l4() -> Self

Configure as L4 (archive tier) with much longer TTL

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

Set promotion enabled

pub fn with_ttl_scale(self, scale: f64) -> Self

Set TTL scale factor

pub fn with_level(self, level: usize) -> Self

Set tier level

Trait Implementations

impl Clone for TierConfig

fn clone(&self) -> TierConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TierConfig

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

Formats the value using the given formatter.