Struct InMemoryRunStore 

pub struct InMemoryRunStore { /* private fields */ }

Process-local, non-durable store. Mirrors today’s in-memory run maps; lost on restart. The compatibility default until SqliteRunStore lands.

Implementations

impl InMemoryRunStore

pub fn new() -> InMemoryRunStore

Trait Implementations

impl Default for InMemoryRunStore

fn default() -> InMemoryRunStore

Returns the “default value” for a type.

impl SopRunStore for InMemoryRunStore

fn save_run(&self, run: &PersistedRun) -> Result<(), StoreError>

Persist-before-mutate. Revision-guarded: a strictly-older revision is rejected as StaleRevision; an equal revision is accepted only as a byte-identical idempotent retry, else RevisionConflict; a newer revision wins.

fn save_run_with_pending_capacity( &self, run: &PersistedRun, max_pending: usize, ) -> Result<bool, StoreError>

Persist a parked approval/checkpoint run only if this SOP still has room in its pending pool. Returns Ok(false) without saving when the pool is full. Store implementations should make the count and save one atomic critical section; the default preserves compatibility for test wrappers.

fn save_run_with_event( &self, run: &PersistedRun, ev: &SopEventRecord, ) -> Result<u64, StoreError>

Persist an active run transition and append its audit event as one store outcome. Implementations must make both writes visible together or neither visible at all; callers use this for approval gate resolution so a durable gate_resolved row cannot exist without the run transition it authorizes.

fn finish_run( &self, run_id: &str, terminal: &PersistedRun, ) -> Result<(), StoreError>

Move a run to terminal state (kept as a terminal record, not deleted) and release any live claim. Revision-guarded exactly like save_run, so a stale or divergent terminal write cannot clobber newer state or release a live claim.

fn finish_run_with_event( &self, run_id: &str, terminal: &PersistedRun, ev: &SopEventRecord, ) -> Result<u64, StoreError>

Move a run to terminal state and append its audit event as one store outcome. Claim release is part of the terminal transition and must be in the same atomic boundary as the audit append.

fn load_active_runs(&self) -> Result<Vec<PersistedRun>, StoreError>

Boot-rehydrate source: every non-terminal run (latest revision per id).

fn load_terminal_runs( &self, limit: usize, ) -> Result<Vec<PersistedRun>, StoreError>

Boot-rehydrate source for the display retention window: terminal runs, newest-first by started_at, truncated to limit (0 = unbounded). The engine seeds finished_runs from this so completed/failed/cancelled runs survive a restart in the Runs surface, matching max_finished_runs.

fn load_run(&self, run_id: &str) -> Result<Option<PersistedRun>, StoreError>

Single run by id (latest revision), terminal or not.

fn last_terminal_completed_at( &self, sop_name: &str, ) -> Result<Option<String>, StoreError>

completed_at of the most recently successful terminal run for sop_name, or None if that SOP has no completed run with a recorded completion. Drives the cooldown check off the shared store so every engine holder observes the same success marker (not just the engine that ran the SOP).

fn try_claim_run( &self, run_id: &str, sop_name: &str, per_sop_cap: usize, global_cap: usize, ) -> Result<Option<ClaimToken>, StoreError>

fn renew_claim_for_restore( &self, run_id: &str, sop_name: &str, ) -> Result<ClaimToken, StoreError>

fn mark_claim_retained_after_terminal_rollback( &self, run_id: &str, ) -> Result<(), StoreError>

Mark an existing live claim as intentionally retained while a failed terminal checkpoint decision is retried. No-op if the claim is already gone; the caller is already failing closed on the original transition.

fn has_retained_terminal_rollback_claim( &self, run_id: &str, ) -> Result<bool, StoreError>

Whether the live claim for run_id is an intentional terminal-rollback retention marker rather than a stale parked claim from old behavior.

fn claim_counts(&self, sop_name: &str) -> Result<(usize, usize), StoreError>

Live claim counts as (for_sop, total), used by read-only admission checks so status surfaces observe the same concurrency source as CAS.

fn heartbeat_claim(&self, _token: &ClaimToken) -> Result<(), StoreError>

Renew a claim’s lease (tick liveness). No-op if the claim is gone.

fn release_claim(&self, token: &ClaimToken) -> Result<(), StoreError>

Release a claim (finish/cancel), freeing the slot for admission.

fn expired_claims(&self, now_iso: &str) -> Result<Vec<ClaimToken>, StoreError>

Reaper source: claims whose lease expired at/<= now_iso.

fn append_event(&self, ev: &SopEventRecord) -> Result<u64, StoreError>

Append-only, monotonic-seq, never-overwrite. Returns the assigned seq.

fn list_events(&self, run_id: &str) -> Result<Vec<SopEventRecord>, StoreError>

Ordered event history for a run.

fn save_proposal(&self, p: &ProposalRecord) -> Result<(), StoreError>

fn load_proposal(&self, id: &str) -> Result<Option<ProposalRecord>, StoreError>

fn list_proposals( &self, status: Option<ProposalStatus>, ) -> Result<Vec<ProposalRecord>, StoreError>

fn prune(&self, policy: &RetentionPolicy) -> Result<usize, StoreError>

Drop terminal runs beyond the retention policy. Returns the count dropped.

fn health_check(&self) -> bool

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

Backend name (for logs + the “never a silent no-op” guard).