JsonCacheMem class

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

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 setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

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
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