| // Copyright 2019, OpenCensus 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 trace |
| |
| import ( |
| "github.com/hashicorp/golang-lru/simplelru" |
| ) |
| |
| type lruMap struct { |
| simpleLruMap *simplelru.LRU |
| droppedCount int |
| } |
| |
| func newLruMap(size int) *lruMap { |
| lm := &lruMap{} |
| lm.simpleLruMap, _ = simplelru.NewLRU(size, nil) |
| return lm |
| } |
| |
| func (lm *lruMap) add(key, value interface{}) { |
| evicted := lm.simpleLruMap.Add(key, value) |
| if evicted { |
| lm.droppedCount++ |
| } |
| } |