Trait SchemaStore 

pub trait SchemaStore:
    Send
    + Sync
    + 'static {
    // Required methods
    fn put_version(
        &self,
        version: SchemaVersion,
    ) -> impl Future<Output = SchemaVersion> + Send;
    fn get_version(
        &self,
        id: &SchemaVersionId,
    ) -> impl Future<Output = Option<SchemaVersion>> + Send;
    fn latest_version_for_method(
        &self,
        upstream_id: &str,
        method: &str,
    ) -> impl Future<Output = Option<SchemaVersion>> + Send;
    fn list_versions(
        &self,
        upstream_id: &str,
        method: &str,
    ) -> impl Future<Output = Vec<SchemaVersion>> + Send;

    // Provided method
    fn prune(
        &self,
        _upstream_id: &str,
        _method: &str,
        _keep: usize,
    ) -> impl Future<Output = ()> + Send { ... }
}

Trait for schema version storage backends.

Implementations must be Send + Sync + 'static so a single store can back many concurrent SchemaManager readers.

Required Methods

fn put_version( &self, version: SchemaVersion, ) -> impl Future<Output = SchemaVersion> + Send

Insert a new version. Implementations handle retention / eviction. Returns the stored version (the caller may not have populated version correctly — implementations may assign it).

fn get_version( &self, id: &SchemaVersionId, ) -> impl Future<Output = Option<SchemaVersion>> + Send

Fetch a specific version by id. None if never stored or evicted.

fn latest_version_for_method( &self, upstream_id: &str, method: &str, ) -> impl Future<Output = Option<SchemaVersion>> + Send

Latest version for a given (upstream_id, method).

fn list_versions( &self, upstream_id: &str, method: &str, ) -> impl Future<Output = Vec<SchemaVersion>> + Send

All versions for a given (upstream_id, method), newest first. Bounded by the store’s retention policy.

Provided Methods

fn prune( &self, _upstream_id: &str, _method: &str, _keep: usize, ) -> impl Future<Output = ()> + Send

Drop versions older than keep for (upstream_id, method). Idempotent. Default impl is a no-op for stores without explicit pruning.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl SchemaStore for MemorySchemaStore