CacheManager class
Methods
clear ()
→ Future <void >
Clear all cache entries
get (dynamic key , Future fetcher (), {Duration ?ttl → Future
Get data from cache or fetch fresh
Key can be a String or Map<String, dynamic (like React Query)
Users must handle serialization/deserialization themselves
getIfPresent (dynamic key → Future
Get cached data if present and not expired, returns null otherwise
Does NOT call fetcher - just returns what's in cache
getMany (List keys → Future <Map <String dynamic >
Get multiple entries at once
Returns a map of key -> data (only includes keys that exist and are not expired)
getStats ()
→ Map <String dynamic >
Get cache statistics
has (dynamic key → bool
Check if a key exists in cache (without fetching or checking expiration)
invalidate (dynamic key → Future <void >
Invalidate a specific cache entry
Key can be a String or Map<String, dynamic
invalidatePattern (String prefix → Future <void >
Invalidate all keys matching a prefix pattern
Example: invalidatePattern('user_') removes 'user_123', 'user_456', etc.
noSuchMethod (Invocation invocation → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
set (dynamic key , dynamic data , {Duration ?ttl → Future <void >
Manually set data in cache
Key can be a String or Map<String, dynamic (like React Query)
Users must pass already serialized/prepared data
setMany (Map entries , {Duration ?ttl → Future <void >
Set multiple entries at once
toString ()
→ String
A string representation of this object.
inherited
