InMemoryCacheStore class

In-memory cache store implementation with LRU eviction.

This is the default cache store that doesn't require any external dependencies. Data is stored in memory and will be lost when the application restarts.

Features:

• Fast O(1) lookups, inserts, and deletes
• Optional size limit with LRU (Least Recently Used) eviction
• Automatic expiration of TTL-based entries
• Thread-safe operations

Example:

final store = InMemoryCacheStore(maxSize: 100);
store.set('key', CacheEntry(
  data: {'user': 'John'},
  timestamp: DateTime.now(),
  ttl: Duration(minutes: 5),
));

Implemented types

• CacheStore

Constructors

InMemoryCacheStore({int? maxSize})

Creates an in-memory cache store.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

maxSize → int?

Maximum number of entries. If null, unlimited.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

size → int

Returns the number of entries in the cache.

no setter, override

Methods

clear() → void

Clears all entries from the cache.

override

contains(String key) → bool

Checks if a key exists in the cache and is not expired.

override

delete(String key) → void

Deletes a cache entry by its key.

override

evictExpired() → void

Removes all expired entries from the cache.

override

get(String key) → CacheEntry?

Retrieves a cache entry by its key.

override

getAll() → Map<String, CacheEntry>

Returns all cache entries as a map.

override

getStats() → Map<String, dynamic>

Returns statistics about the cache.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

set(String key, CacheEntry entry) → void

Stores a cache entry with the given key.

override

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited