ObservedStorage<E> class

Wrapper around Storage that notifies listeners when data change happens.

Use updates and updatesSticky to subscribe to update events.

Implemented types

Constructors

hashCode → int: The hash code for this object.
no setterinherited
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
silent → Storage<E>: Returns Storage<E> that will not trigger updates or updatesSticky.
no setter
updates → Stream<E?>: Returns a broadcast stream that emits updates when the data changes. null is a valid emitted item if E? is nullable or the item E is deleted.
no setter
updatesSticky → Stream<E?>: Returns a broadcast stream that emits updates when the data changes, starting with any last emitted item first. null is a valid emitted item if E? is nullable or the item E is deleted.
no setter

delete() → Future<void>: Deletes any written item. If no item is found completes without error.
override
get() → Future<E?>: Retrieves the saved item or returns null if no item is found.
override
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
save(E item) → Future<E>: Saves the given item, overriding any previous entries.
override
teardown() → Future<void>: Permanently closes this updates stream.
toString() → String: A string representation of this object.
inherited