| // Copyright 2016 The LUCI 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 memory |
| |
| import ( |
| "context" |
| "sync" |
| "time" |
| |
| "go.chromium.org/luci/logdog/common/storage" |
| ) |
| |
| // Cache is an in-memory storage.Cache implementation. |
| type Cache struct { |
| mu sync.Mutex |
| cacheMap map[storage.CacheKey][]byte |
| } |
| |
| var _ storage.Cache = (*Cache)(nil) |
| |
| // Put implements storage.Cache. |
| func (c *Cache) Put(ctx context.Context, key storage.CacheKey, val []byte, exp time.Duration) { |
| c.mu.Lock() |
| defer c.mu.Unlock() |
| |
| if c.cacheMap == nil { |
| c.cacheMap = make(map[storage.CacheKey][]byte) |
| } |
| |
| c.cacheMap[key] = val |
| } |
| |
| // Get implements storage.Cache. |
| func (c *Cache) Get(ctx context.Context, key storage.CacheKey) ([]byte, bool) { |
| c.mu.Lock() |
| defer c.mu.Unlock() |
| |
| v, ok := c.cacheMap[key] |
| return v, ok |
| } |