stash_sembast 1.0.0
stash_sembast: ^1.0.0 copied to clipboard
Sembast storage extension for the stash caching API. Provides support to store caches int the local file system in binary format using the msgpack json format
example/example.dart
import 'dart:io';
import 'package:stash_sembast/stash_sembast.dart';
class Task {
final int id;
final String title;
final bool completed;
Task({this.id, this.title, this.completed = false});
/// Creates a [Task] from json map
factory Task.fromJson(Map<String, dynamic> json) => Task(
id: json['id'] as int,
title: json['title'] as String,
completed: json['completed'] as bool);
/// Creates a json map from a [Task]
Map<String, dynamic> toJson() =>
<String, dynamic>{'id': id, 'title': title, 'completed': completed};
@override
String toString() {
return 'Task ${id}: "${title}" is ${completed ? "completed" : "not completed"}';
}
}
void main() async {
// Temporary path
final path = Directory.systemTemp.path;
// Creates cache with a Sembast based storage backend with the capacity of 10 entries
final cache = newSembastCache(path,
maxEntries: 10, fromEncodable: (json) => Task.fromJson(json));
// Adds a task with key 'task1' to the cache
await cache.put('task1',
Task(id: 1, title: 'Run stash_sembast example', completed: true));
// Retrieves the value from the cache
final value = await cache.get('task1');
print(value);
}