Struct TwoTierMemory 

pub struct TwoTierMemory { /* private fields */ }

Composes a hot RingMemory tier with a cold SqliteMemoryStore tier.

Implementations

impl TwoTierMemory

pub fn in_memory(ring_capacity: usize) -> Result<Self, MemoryError>

Create a two-tier store with ring capacity ring_capacity.

Trait Implementations

impl MemoryPort for TwoTierMemory

type Error = MemoryError

Error type returned by memory operations.

fn append(&self, key: &str, content: &str) -> Result<Uuid, Self::Error>

Append a new entry under key with content. Returns the new id.

fn get(&self, key: &str) -> Result<Option<String>, Self::Error>

Return the latest value for key, if any.

fn recent(&self, limit: usize) -> Result<Vec<MemoryEntry>, Self::Error>

Return up to limit most-recent entries (newest first).

fn history(&self) -> Result<Vec<MemoryEntry>, Self::Error>

Return full durable history (newest first).