VersionedPersistence<T> class

Versioned persistence with migration support.

Inheritance

Constructors

VersionedPersistence({required String key, required int currentVersion, required SignalPersistence<Map<String, dynamic>> storage, required T fromData(Map<String, dynamic> data, int version), required Map<String, dynamic> toData(T value), T migrate(Map<String, dynamic> oldData, int oldVersion, int newVersion)?})

Properties

currentVersion → int
final
fromData → T Function(Map<String, dynamic> data, int version)
final
hashCode → int
The hash code for this object.
no setterinherited
key → String
final
migrate → T Function(Map<String, dynamic> oldData, int oldVersion, int newVersion)?
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
storage → SignalPersistence<Map<String, dynamic>>
final
toData → Map<String, dynamic> Function(T value)
final

Methods

delete() → Future<void>
override
load() → Future<T?>
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
save(T value) → Future<void>
override
toString() → String
A string representation of this object.
inherited

Operators

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