UnboundedCache<K, V> class
An unbounded cache.
class UnboundedCache<K, V> implements Cache<K, V> { Map<K, V> _entries = <K, V>{}; int _hits = 0; int _misses = 0; V get(K key) { V value = _entries[key]; if (value != null || _entries.containsKey(key)) { ++_hits; } else { ++_misses; } return value; } V put(K key, V value) => _entries[key] = value; V remove(K key) => _entries.remove(key); void removeAll() => _entries.clear(); int get capacity => 0; int get size => _entries.length; CacheStats stats() => new CacheStats(capacity, size, _hits, _misses); // Debugging helper. String toString() => "[$runtimeType: size=${_entries.length}, items=$_entries]"; }
Implements
Properties
final int capacity #
int get capacity => 0;
final int size #
int get size => _entries.length;
Methods
void removeAll() #
CacheStats stats() #
CacheStats stats() => new CacheStats(capacity, size, _hits, _misses);
String toString() #
Returns a string representation of this object.
docs inherited from Object
String toString() => "[$runtimeType: size=${_entries.length}, items=$_entries]";