wanshenmean
2026-03-06 aefdecd0aa3226b7d00d1dc764241b82658b3be8
Code/WCS/WIDESEAWCS_Server/WIDESEAWCS_Core/Caches/MemoryCacheService.cs
@@ -392,6 +392,28 @@
            return true;
        }
        public bool TrySafeUpdate<T>(
            string key,
            T newValue,
            object? expectedVersion,
            Func<T, object?> versionExtractor,
            int expireSeconds = -1) where T : class
        {
            var existing = Get<T>(key);
            if (existing == null) return false;
            // 检查版本是否匹配
            var currentVersion = versionExtractor(existing);
            if (!Equals(currentVersion, expectedVersion))
            {
                return false; // 版本不匹配,拒绝更新
            }
            Remove(key);
            AddObject(key, newValue, expireSeconds);
            return true;
        }
        public string GetOrAdd(string key, string value, int expireSeconds = -1)
        {
            var existing = _cache.Get(key)?.ToString();