| /* |
| Copyright 2017 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package cache |
| |
| import ( |
| "time" |
| |
| lrucache "k8s.io/apimachinery/pkg/util/cache" |
| "k8s.io/apimachinery/pkg/util/clock" |
| ) |
| |
| type simpleCache struct { |
| lru *lrucache.LRUExpireCache |
| } |
| |
| func newSimpleCache(size int, clock clock.Clock) cache { |
| return &simpleCache{lru: lrucache.NewLRUExpireCacheWithClock(size, clock)} |
| } |
| |
| func (c *simpleCache) get(key string) (*cacheRecord, bool) { |
| record, ok := c.lru.Get(key) |
| if !ok { |
| return nil, false |
| } |
| value, ok := record.(*cacheRecord) |
| return value, ok |
| } |
| |
| func (c *simpleCache) set(key string, value *cacheRecord, ttl time.Duration) { |
| c.lru.Add(key, value, ttl) |
| } |
| |
| func (c *simpleCache) remove(key string) { |
| c.lru.Remove(key) |
| } |