WriteThroughStore<K, V> class

A cache that persists every write to the backing store immediately.

Constructors

WriteThroughStore({required CacheLoader<K, V> load, required CacheStorer<K, V> store})

Creates a cache backed by load (read-through on a miss) and store (called on every put before the in-memory entry is updated). Audited: 2026-06-12 11:26 EDT

Properties

hashCode → int

The hash code for this object.

no setter, inherited

length → int

Number of entries currently held in memory. Audited: 2026-06-12 11:26 EDT

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

get(K key) → Future<V?>

Returns the cached value, loading and caching it on a miss. A backing store that returns null is treated as "absent" and is not cached. Audited: 2026-06-12 11:26 EDT

invalidate(K key) → void

Drops the in-memory entry for key without touching the backing store. Audited: 2026-06-12 11:26 EDT

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

put(K key, V value) → Future<void>

Persists value to the store, then updates the in-memory entry. The store write is awaited first so a failed write leaves the cache unchanged. Audited: 2026-06-12 11:26 EDT

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited