Trait State

Source

pub trait State: MaybeSync {
    type Db: Db;
    type SchemaCache<'a>: Deref<Target = SchemaCache> + MaybeSend + MaybeSync
       where Self: 'a;

    // Required methods
    fn db(&self) -> &Self::Db;
    fn schema_cache(
        &self,
    ) -> impl Future<Output = Self::SchemaCache<'_>> + MaybeSend;
    fn config(&self) -> &AppConfig;
    fn jwt_config(&self) -> &JwtConfig;
    fn jwt_cache(&self) -> Option<&JwtCache>;

    // Provided methods
    fn default_schema(&self) -> &str { ... }
    fn schemas(&self) -> &[String] { ... }
}

Expand description

Everything the pipeline needs from its host.

The server’s AppState is one, over a sqlx pool. A host with no sqlx – a Cloudflare Worker – brings its own, over its own Db. The pipeline is generic over this, so nothing on the native path goes through a vtable.