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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

[1.0.0] - 2026-09-21

Added

  • EricksonLopez.DistributedLock.Abstractions:
    • IDistributedLockProvider contract with non-blocking (TryAcquireAsync), polling with jittered exponential backoff, and blocking (AcquireAsync) overloads.
    • IDistributedLockHandle interface exposing HandleLostToken, ResourceId, LockId, and FencingToken.
    • AsyncDisposableHandleAdapter providing backward-compatible handle adaptation for generic IAsyncDisposable implementations.
    • Strongly-typed DistributedLockErrors (LockAlreadyHeld, Timeout, LockLost, Canceled) based on EricksonLopez.Result.
    • Declarative [DistributedLock] attribute for integration with EricksonLopez.Mediator pipeline behaviors.
    • Safe execution extensions ExecuteWithLockAsync and ExecuteWithLockAsync<T> with automatic HandleLostToken linking and explicit timeout support (TimeSpan timeout).
  • Relational & Cache Dialect Providers:
    • EricksonLopez.DistributedLock.PostgreSql: High-throughput advisory locks (pg_try_advisory_lock, pg_advisory_lock, pg_try_advisory_xact_lock), background PeriodicTimer keepalive heartbeats, and OpenTelemetry instrumentation.
    • EricksonLopez.DistributedLock.SqlServer: Application locks via sp_getapplock / sp_releaseapplock with full session and transaction lifecycles.
    • EricksonLopez.DistributedLock.MySql: MySQL user-level locks via GET_LOCK and RELEASE_LOCK with MySqlConnector.
    • EricksonLopez.DistributedLock.MariaDb: MariaDB user-level locks via GET_LOCK and RELEASE_LOCK with MySqlConnector.
    • EricksonLopez.DistributedLock.Oracle: Oracle Database locks via DBMS_LOCK with Oracle.ManagedDataAccess.Core.
    • EricksonLopez.DistributedLock.Sqlite: SQLite database-enforced concurrency locks via Microsoft.Data.Sqlite.
    • EricksonLopez.DistributedLock.Redis: Redis distributed mutual exclusion via StackExchange.Redis with Lua scripts for atomic release and lease renewal.
  • Showcase & Cookbook:
    • Living reference sample project with 11 progressive learning levels and 12 production-ready recipes demonstrating all provider configurations, blocking overloads, and transactional extensions.
  • Testing, Governance & Quality:
    • 1:1 dedicated test project symmetry for each production package.
    • Comprehensive architectural enforcement suite (NetArchTest.Rules) validating Native AOT readiness, dialect decoupling, and zero obsolete APIs.
    • Integration test suite running against real database engines via Testcontainers.
    • Native AOT smoke test executable (AotSmokeTest) verifying trim-safety and zero dynamic reflection warnings.
    • Standardized technical documentation in /docs/ with normalized kebab-case naming, portable links, and ADR-008 quality thresholds.
    • Complete community health governance with SUPPORT.md, CODEOWNERS, and GitHub issue/PR templates.
  • Build & Packaging:
    • Automated conditional Strong-Name Signing support in Directory.Build.props when EricksonLopez.snk is detected.
    • Hardened GitHub Actions CI/CD workflows (ci.yml, publish.yml, mutation-testing.yml, aot-smoke-test.yml) with immutable commit SHA pinning.