thesix 0.3.0

Policy-driven six-tier cache orchestration for Rust
Documentation 
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use crate::tier::TierId;
use crate::tier::sharded_stub::ShardedTierStub;
use crate::tier::tier_trait::{BackendKind, CacheTier, TierHealth};

#[derive(Debug)]
pub struct L0Stub<V> {
    inner: ShardedTierStub<V>,
}

impl<V> L0Stub<V> {
    pub fn new() -> Self {
        L0Stub {
            inner: ShardedTierStub::new(),
        }
    }
}

#[async_trait::async_trait]
impl<V: Clone + Send + Sync + 'static> CacheTier<V> for L0Stub<V> {
    fn name(&self) -> String {
        "L0-request-local".into()
    }

    fn backend(&self) -> BackendKind {
        BackendKind::InMemory
    }

    async fn get(
        &self,
        key: &crate::key::KeyRef<'_>,
    ) -> Result<Option<V>, crate::error::CacheError> {
        self.inner.get(key)
    }

    async fn set(
        &self,
        key: &crate::key::KeyRef<'_>,
        value: V,
        ttl: Option<std::time::Duration>,
    ) -> Result<(), crate::error::CacheError> {
        self.inner.set(key, value, ttl)
    }

    async fn remove(&self, key: &crate::key::KeyRef<'_>) -> Result<(), crate::error::CacheError> {
        self.inner.remove(key)
    }

    async fn contains(
        &self,
        key: &crate::key::KeyRef<'_>,
    ) -> Result<bool, crate::error::CacheError> {
        self.inner.contains(key)
    }

    fn health(&self) -> TierHealth {
        TierHealth::default()
    }

    fn tier_id(&self) -> TierId {
        TierId::L0
    }
}