JsonCacheMem class final

Thread-safe in-memory JsonCache decorator.

It is a kind of level 1 cache.

It encapsulates a slower cache and keeps its own data in-memory.

Implemented types

• JsonCache

Constructors

JsonCacheMem([JsonCache? level2])

In-memory level 1 cache with an optional level 2 instance.

JsonCacheMem.init(Map<String, Map<String, dynamic>?> initData, {JsonCache? level2, OnInitError? onInitError})

Initializes both the internal memory (level 1 cache) and the local storage of the user's device (level 2 cache — level2) with the contents of initData.

JsonCacheMem.mem(Map<String, Map<String, dynamic>?> mem, {JsonCache? level2, ReadWriteMutex? mutex})

Cache with an external memory and an optional custom mutex.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

clear() → Future<void>

Frees up storage space in both the level2 cache and in-memory cache.

override

contains(String key) → Future<bool>

Checks whether the in-memory or the level 2 cache contains cached data at key.

override

keys() → Future<UnmodifiableListView<String>>

The cache keys.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

refresh(String key, Map<String, dynamic> data) → Future<void>

Updates the data located at key in both the level 2 cache and in-memory cache.

override

remove(String key) → Future<void>

Removes the cached value located at key from both the level 2 cache and in-memory cache.

override

toString() → String

A string representation of this object.

inherited

value(String key) → Future<Map<String, dynamic>?>

Retrieves the value at key or null if there is no data.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited