get method
Get cached data
Implementation
CachedData<T>? get(String key) {
final cached = _cache[key];
if (cached == null) return null;
if (cached.isExpired) {
_cache.remove(key);
_accessFrequency.remove(key);
return null;
}
cached.markAccessed();
_accessFrequency[key] = (_accessFrequency[key] ?? 0) + 1;
// Move to end for LRU
if (strategy.evictionPolicy == CacheEvictionPolicy.lru) {
_cache.remove(key);
_cache[key] = cached;
}
return cached;
}