Trait ClientDataStore 

pub trait ClientDataStore: Send + Sync {
    // Required methods
    fn store<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        key: &'life1 str,
        value: &'life2 str,
    ) -> Pin<Box<dyn Future<Output = RustvelloResult<()>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait;
    fn retrieve<'life0, 'life1, 'async_trait>(
        &'life0 self,
        key: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = RustvelloResult<String>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait;
    fn purge<'life0, 'async_trait>(
        &'life0 self,
    ) -> Pin<Box<dyn Future<Output = RustvelloResult<()>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait;

    // Provided methods
    fn backend_name(&self) -> &'static str { ... }
    fn usage_stats<'life0, 'async_trait>(
        &'life0 self,
    ) -> Pin<Box<dyn Future<Output = Vec<(&'static str, String)>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait { ... }
}

Backend storage trait for client data.

Implementations need only provide three simple operations: store, retrieve, and purge. The ClientDataStoreManager handles size routing, LRU caching, and key generation on top of any backend.

Required Methods

fn store<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, key: &'life1 str, value: &'life2 str, ) -> Pin<Box<dyn Future<Output = RustvelloResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Store a serialized value by its content-hash key.

Backends should use upsert semantics (INSERT OR REPLACE) so that storing the same key twice is a no-op (content-hash deduplication).

fn retrieve<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, ) -> Pin<Box<dyn Future<Output = RustvelloResult<String>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Retrieve a serialized value by its reference key.

Returns an error if the key is not found.

fn purge<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = RustvelloResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Remove all stored data.

Provided Methods

fn backend_name(&self) -> &'static str

Human-readable name of this backend implementation.

fn usage_stats<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Vec<(&'static str, String)>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Key-value statistics about this backend’s current state.

Implementors