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CheckpointStore

cognee_lib::database::ops::checkpoint

Trait CheckpointStore 

Source 
pub trait CheckpointStore: Send + Sync {
    // Required methods
    fn load<'life0, 'life1, 'async_trait>(
        &'life0 self,
        key: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = Result<Option<DateTime<Utc>>, DatabaseError>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;
    fn save<'life0, 'life1, 'async_trait>(
        &'life0 self,
        key: &'life1 str,
        ts: DateTime<Utc>,
    ) -> Pin<Box<dyn Future<Output = Result<(), DatabaseError>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;
}
Expand description

Abstraction over persistent timestamp checkpoints keyed by string.

Analogous to Python’s cache-engine interface used for graph_sync_checkpoint:{user_id}:{dataset_id}:{session_id} keys.

Required Methods§

Source

fn load<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<Option<DateTime<Utc>>, DatabaseError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Read the timestamp stored under key, or None if missing.

Source

fn save<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, ts: DateTime<Utc>, ) -> Pin<Box<dyn Future<Output = Result<(), DatabaseError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Write ts under key, overwriting any previous value.

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§