Matthias Andreas Benkard | 832a54e | 2019-01-29 09:27:38 +0100 | [diff] [blame] | 1 | /* |
| 2 | Copyright 2014 The Kubernetes Authors. |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package cache |
| 18 | |
| 19 | import ( |
| 20 | "k8s.io/apimachinery/pkg/util/clock" |
| 21 | "k8s.io/apimachinery/pkg/util/sets" |
| 22 | ) |
| 23 | |
| 24 | type fakeThreadSafeMap struct { |
| 25 | ThreadSafeStore |
| 26 | deletedKeys chan<- string |
| 27 | } |
| 28 | |
| 29 | func (c *fakeThreadSafeMap) Delete(key string) { |
| 30 | if c.deletedKeys != nil { |
| 31 | c.ThreadSafeStore.Delete(key) |
| 32 | c.deletedKeys <- key |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | type FakeExpirationPolicy struct { |
| 37 | NeverExpire sets.String |
| 38 | RetrieveKeyFunc KeyFunc |
| 39 | } |
| 40 | |
| 41 | func (p *FakeExpirationPolicy) IsExpired(obj *timestampedEntry) bool { |
| 42 | key, _ := p.RetrieveKeyFunc(obj) |
| 43 | return !p.NeverExpire.Has(key) |
| 44 | } |
| 45 | |
| 46 | func NewFakeExpirationStore(keyFunc KeyFunc, deletedKeys chan<- string, expirationPolicy ExpirationPolicy, cacheClock clock.Clock) Store { |
| 47 | cacheStorage := NewThreadSafeStore(Indexers{}, Indices{}) |
| 48 | return &ExpirationCache{ |
| 49 | cacheStorage: &fakeThreadSafeMap{cacheStorage, deletedKeys}, |
| 50 | keyFunc: keyFunc, |
| 51 | clock: cacheClock, |
| 52 | expirationPolicy: expirationPolicy, |
| 53 | } |
| 54 | } |