Cut 3 of the CultCache migration (Aetheria docs/cultcache-migration-cut.md, 2.1
and 2.2). One commit, because routing, the batch that replaces the ambient
transaction, and conditional commit share one admission path.
Deleted first:
- globals: InitializeGlobals, MaterializeMissingGlobals, the two-argument
constructor, the initializeGlobals plumbing in CultCacheMessagePack,
ContainsDurableRecord (cache and directory store)
- replication: the push-to-every-store loops and the attach-time push of
existing records
- typeof(T) as the schema owner in AddAsync/UpsertAsync and in
CultNetDatabase.PutAsync/PutPredictedAsync
- the ambient transaction: ExecuteTransactionAsync x2, CultCacheTransaction,
CommitTransaction, VisibleStoredDocuments, the AsyncLocal, the SemaphoreSlim
gate, and every ambient check
- CultCacheOpenOptions.PullOnOpen; OpenAsync is Task.FromResult(Create(...))
- DirectoryMessagePackBackingStore.ResolveLegacyUncataloguedRecordCatalog: the
catalog precommit (fe55bff) is an ancestor of the v4 page format (eea8248),
so no v4 manifest can reach it
- CultCache.DeleteAsync<T>; its one caller, CultNetDatabaseSubscriptionClient,
called it by reflection and now calls Remove(key)
Added:
- AddBackingStore(store, params Type[] homes): attach validates (clean, not
already attached, one untyped store, no claimed home type, no admitted
record changes home) and then pulls under the gate
- Home(type): most derived routed home, else the untyped store
- Admit: every add and remove, from a write, a batch or a load, validates
(home, read-only, loaded-from-home, global singleton), lands durably, then
applies and publishes; a pull hands its whole delta over in one call, so a
refused record leaves the store and the cache unchanged
- read-only stores (CacheBackingStore(readOnly), both store constructors,
CultCacheOpenOptions.ReadOnly); flush skips them and writes only dirty stores
- assignable GetGlobal<T>/GetByName<T>/GetByIndex<T>/Watch<T>; more than one
candidate throws naming them
- Commit(Action<CultCacheBatch>) returning bool, TryCommit returning
CultCommitOutcome, CultCacheBatch (Upsert, Remove, Expect, ExpectUnchanged,
sealed after commit), CultCommitRequest; CacheBackingStore.CommitBatch
evaluates conditions under the store's exclusive lock
- single-file store: <path>.lock sidecar for CommitBatch and PushAll; a clean
store commits onto the file as it is, so records it never loaded survive
- storedAt minted in one place and bumped a tick when not later than the record
it replaces
Consumer adjustments in this repo: Mesh streaming tests drop PullOnOpen; the
Studio bridge stops reflecting on it; BackingStoreTests' global test creates
its global explicitly and its transaction tests are rewritten against Commit
(the two that proved ambient hydration rules are deleted); the pre-Cut 2
refusal test expects the attach to throw.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Fixtures were produced by CultLib 0db1fe5 from a temporary worktree: a v4
directory store and a v1 single-file store holding the same three records.
Tests reopen both and assert every value, and assert the directory store
refuses v1, v1.directory, v2 and v3 manifests without touching the bytes.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
