Storage<KeyT extends Object?, EncodedT extends Object?> class abstract

An interface to enable Riverpod to interact with a database.

This is used in conjunction with Persistable to enable persistence for a notifier.

Storages are generally implemented by third-party packages. Riverpod provides an official implementation of Storage that stores data using SQLite, in the riverpod_sqflite package.

Constructors

Storage.inMemory()
A storage that stores data in-memory.
factory

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

delete(KeyT key) FutureOr<void>
Deletes the data associated with key.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
read(KeyT key) FutureOr<PersistedData<EncodedT>?>
Reads the data associated with key.
toString() String
A string representation of this object.
inherited
write(KeyT key, EncodedT value, StorageOptions options) FutureOr<void>
Writes value associated with key.

Operators

operator ==(Object other) bool
The equality operator.
inherited