cacher

Description:

cacher

This is a modification of https://github.com/platelk/dcache, licensed under the MIT License.

Cacher #
Cacher is a simple library to implement application caching in dart inspired by gcache
Features #

Supports expirable Cache, Least Frequently Used, Least recently used, Time aware least recently used.
Supports eviction.
Async loading of expired value.
Automatically load cache if it doesn't exists. (Optional)
Callback for evicted items to perform cleanup (Optional)

Example #
Simple use case #
import 'package:cacher/cacher.dart';

void main() {
Cache c = SimpleCache(storage: SimpleStorage(20));

c.set("key", 42);
print(c.get("key")); // 42
print(c.containsKey("unknown_key")); // false
print(c.get("unknown_key")); // null
}
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Add logic on eviction. #
import 'package:cacher/cacher.dart';

void main() {
Cache c = SimpleCache<Key, Disposable>(
storage: SimpleStorage(20),
onEvict: (key, value) {
value.dispose();
});
}
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Loading function #
import 'package:cacher/cacher.dart';

void main() {
Cache c = SimpleCache<int, int>(
storage: SimpleStorage(20),
)..loader = (key, oldValue) => key * 10;

print(c.get(4)); // 40
print(c.get(5)); // 50
print(c.containsKey(6)); // false
}
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Authors #
Kevin PLATEL

mail : [email protected]
github : https://github.com/platelk
twitter : https://twitter.com/kevinplatel

Harpreet Sangar

mail : [email protected]
github : https://github.com/happy-san