Cache<K, V> class
abstract
- Mixed in types
- Implementers
Constructors
- Cache()
-
Unnamed default constructor.
const
-
Cache.empty({required Loader<
K, V> loader}) -
Constructs an empty or null cache, useful mostly for testing.
factory
-
Cache.expiry({required Loader<
K, V> loader, Duration? updateExpiry, Duration? accessExpiry}) -
Constructs an expiry cache.
factory
-
Cache.fifo({required Loader<
K, V> loader, int maximumSize = 100}) -
Constructs a First-in/First-out (FIFO) cache.
factory
-
Cache.lru({required Loader<
K, V> loader, int maximumSize = 100}) -
Constructs a Least Recently Used (LRU) cache.
factory
Properties
- defaultToStringPrinter → ObjectPrinter
-
Override to configure the empty ObjectPrinter.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- toStringPrinter → ObjectPrinter
-
Override and call super to add values to the ObjectPrinter.
no setterinherited
Methods
-
get(
K key) → Future< V> -
Returns the value associated with the
key. -
getIfPresent(
K key) → Future< V?> -
Returns the value associated with the
key, otherwisenull. -
invalidate(
K key) → Future< void> -
Discards any cached value with the
key. -
invalidateAll(
) → Future< void> - Discards all cached values.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
reap(
) → Future< int> - Returns the number of reaped items.
-
set(
K key, FutureOr< V> value) → Future<V> -
Stores the
valueassociated with thekey. -
size(
) → Future< int> - Number of currently cached values.
-
toString(
) → String -
Standard
toStringimplementation. Do not override, instead implement toStringPrinter to customize.inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited