Add shared user/cache lifecycle and SQL enumeration - #325
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📝 WalkthroughWalkthroughAdds shared cache and SQL-backend coordination through lifecycle gates, per-user locking, population tokens, backend replacement, retirement, and asynchronous shutdown. Adds plugin integration, storage routing, conversion scheduling, reward replay coordination, and concurrency and lifecycle tests. ChangesShared user data
Priority: ➖ Normal Estimated code review effort: 5 (Critical) | ~90 minutes Change: Feature · Severity of issue fixed: Medium Sequence Diagram(s)sequenceDiagram
participant AdvancedCorePlugin
participant UserDataManager
participant SharedUserDataRuntime
participant BukkitUserCacheOwner
participant BukkitSqlUserBackend
AdvancedCorePlugin->>UserDataManager: bind shared runtime after storage initialization
UserDataManager->>SharedUserDataRuntime: bind lifecycle and storage routes
SharedUserDataRuntime->>BukkitUserCacheOwner: read, populate, queue, or flush cache data
BukkitUserCacheOwner->>BukkitSqlUserBackend: read or write shared SQL data
SharedUserDataRuntime->>BukkitUserCacheOwner: dispatch post-flush notifications
AdvancedCorePlugin->>SharedUserDataRuntime: run maintenance or asynchronous close
SharedUserDataRuntime->>BukkitSqlUserBackend: replace or retire backend
Merge Risk: 🟡 Moderate · up to The name synchronization regression can replace a valid stored player name with an empty value, so it should be corrected before merge. Shutdown responsiveness and diagnostics also need small fixes. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Actionable comments posted: 3
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Inline comments:
In
`@AdvancedCore/src/main/java/com/bencodez/advancedcore/bukkit/user/runtime/BukkitUserCacheOwner.java`:
- Around line 63-68: Update BukkitUserCacheOwner.flush and all explicit or
scheduled cache-flush paths to pass the active SqlUserStorage and its storage
type into UserDataCache/UserData writes instead of relying on
user.getPlugin().getStorageType() or BukkitSqlUserStorage. Preserve
UserDataCache queue ownership, notification, batching, write ordering, and
requeue behavior while ensuring writes after replaceBackend() use the
replacement backend.
In
`@AdvancedCore/src/main/java/com/bencodez/advancedcore/core/user/runtime/SharedUserDataRuntime.java`:
- Around line 127-129: Update the backend replacement logic in
SharedUserDataRuntime so it skips closing the previous backend when replacement
is the same instance as the currently assigned backend. Preserve assignment and
close the previous backend only when the replacement is a different instance.
- Around line 125-129: Coordinate read(), populate(), queueChange(), flush(),
and remove() with lifecycle transitions using a shared lifecycle lock, and make
replaceBackend() and close() acquire its exclusive lock across their full
operations. Ensure normal operations cannot continue after shutdown begins or
overlap backend replacement, preserving the final flush and preventing writes
after close.
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📒 Files selected for processing (4)
AdvancedCore/src/main/java/com/bencodez/advancedcore/bukkit/user/runtime/BukkitUserCacheOwner.javaAdvancedCore/src/main/java/com/bencodez/advancedcore/core/user/runtime/SharedUserDataRuntime.javaAdvancedCore/src/main/java/com/bencodez/advancedcore/core/user/runtime/UserCacheOwner.javaAdvancedCore/src/test/java/com/bencodez/advancedcore/tests/user/SharedUserDataRuntimeTest.java
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… shutdown Route explicit and scheduled batches through the existing UserDataCache queue and notification hooks with an explicit backend destination. Stop new admission before shutdown, drain admitted work including notifications, retain failed batches, and provide an observed worker-only closeAsync. Cancel redundant timer work without server-thread termination waits. Add nine lifecycle/adapter regressions with memory SQL providers and real cache code. Enable the normal Maven PR job for this stacked base so this head gets actual repository test and packaged-artifact validation. Local JDK21 isolated compilation/execution of the candidate runtime and cache adapter passed replacement, scheduled flush and notification/shutdown barrier checks (external APIs stubbed; Lombok getters expanded only in the isolated copy). Syntax and incremental whitespace checks passed. Full local Maven and live database/server checks remain unavailable. No dependency, shading, FLAT, native loader, or unrelated PR changes.
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Resolve the existing UserManager mock before starting doAnswer stubbing. The prior Actions run compiled production and tests but failed this test fixture with UnfinishedStubbingException; all assertions remain unchanged. Local Java21 syntax and incremental whitespace checks passed. Full test execution remains through GitHub Actions, not a local Maven build.
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Register one manager-level initializer so caches created through existing getCache/cacheUser paths or inserted later acquire the selected writer and runtime admission gate before mutation/flush. Preserve existing queues, notifications and legacy virtual cache-loading hooks. Refuse monitor-order inversions and retain failed batches for retry. Publish Bukkit owner lifecycle state atomically without eagerly taking over active legacy batches. Attachment failure leaves the owner reusable and an active legacy batch leaves a reachable runtime with retryable flush/close. Honor allowStorageLookup before populating caches for no-database modes. Add 14 focused headless regressions with the real manager/cache and in-memory providers plus mocked platform boundaries. Local Java 21 syntax and incremental whitespace checks passed; full local Maven and live-server checks remain unavailable. GitHub Actions must validate this candidate.
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Keep lifecycle admission independent from blocking SQL checks so cached reads and queued cache mutations remain safe on the primary thread. Require worker context only at actual storage boundaries, including scheduled bound writers. Use the shared/read lifecycle lock for normal operations and exclusive transitions for replacement/shutdown, and stream startup enumeration through the updated SQL backend contract. Includes the concurrent late-cache/atomic-binding fixes already on this branch and restacks them onto the latest shared SQL backend head.
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Capture an operation-local cache version before flush/load and merge only newer local mutations when publishing the SQL snapshot. Keep changes that have already left the pending queue, retain refreshed untouched fields, and reject snapshots targeting a replaced cache instance. Later full refreshes/populations win over older loads. No database wait is placed under the cache monitor or memory-only runtime admission path. Preserve concurrent f0fba33 legacy routing and e732e4b's SQL restack; their changes were compared before applying these five verified file blobs. Reuse the existing cache and queue; per-key metadata stores versions, not another copy of user values. Add eight deterministic headless regressions for pending/completed writes, memory-only changes, replacement, load failure, retry, overlapping loads and token identity. Local Java21 syntax parsing and reconstructed incremental whitespace checks passed. Full local Maven/JUnit and live-server/database tests are unavailable; GitHub Actions must validate the complete build and fresh shaded artifact. Follow-up to Codex 4000149174; no dependency, packaging or workflow changes.
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Resolve the shared manager null-safely and use the captured instance for this operation. Legacy SQL providers remain usable before UserManager or UserDataManager exists; a bound shared route continues to handle failures through its lifecycle gate instead of silently falling back. Validate the requested storage before either route. Actions on 8eb0984 compiled and ran 452 tests. All eight new population-race regressions passed, but nine existing legacy-storage tests exposed this null-manager regression. Preserve those tests unchanged. Local Java21 syntax and incremental whitespace checks passed; full build requires CI.
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1 participant
Scope
Second Fabric/Forge/NeoForge preparation step, stacked on #324.
SharedUserDataRuntimefor UUID-based access, startup enumeration, cache population, queued changes, flush, provider replacement, and shutdown.UserDataFetchModesource-selection flags, including temp-cache precedence and non-waiting storage fallback.UserCacheOwner; the runtime does not allocate a second user cache or parallel user record.BukkitUserCacheOwner, which reuses the existingUserDataManagermap,UserDataCacheinstances, queued-change ordering, notifications, and batching behavior.Dependency order
Behavior constraints
This PR intentionally leaves player/entity operations in Bukkit-facing code. It does not restore FLAT, introduce a second cache, add a migration system, or change Maven packaging/dependency pins.
The Bukkit cache adapter deliberately lets the existing
UserDataCache.processChanges()remain the owner of notification/write ordering instead of short-circuiting its durability behavior.Validation status
Ready for review at the maintainer's request; not a claim of merge readiness. The normal local repository build environment was unavailable from the implementation session. The headless tests are repository tests, not a live server test. At the ready-for-review check, no PR-triggered GitHub Actions run was returned for head
fda552cea136d285055a59e3f4b39a7ffafdb123; no passing repository build is claimed for this head. Codex code and security reviews started automatically when the draft was marked ready. No duplicate review request was sent.Known remaining integration item
The existing
UserData/UserManagerconstruction path has not yet been switched to instantiate/useSharedUserDataRuntime; those are large, concurrently active files and the implementation session used a connected GitHub write interface requiring whole-file content. The shared lifecycle implementation and Bukkit adapter are present, but existing consumers are not yet delegated through it. This remains an acceptance blocker until that wiring can be safely completed and the full Maven build/review is clean. Marking ready for review does not remove this blocker.No merge/release/deploy is requested.
Summary by CodeRabbit
New Features
Bug Fixes
Tests