| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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" |
| ) |
| |
| import ( |
| "github.com/goburrow/cache" |
| |
| "github.com/prometheus/client_golang/prometheus" |
| ) |
| |
| const ResultLabel = "result" |
| |
| func NewMetric(name, help string) *prometheus.CounterVec { |
| return prometheus.NewCounterVec(prometheus.CounterOpts{ |
| Name: name, |
| Help: help, |
| }, []string{ResultLabel}) |
| } |
| |
| type PrometheusStatsCounter struct { |
| Metric *prometheus.CounterVec |
| } |
| |
| var _ cache.StatsCounter = &PrometheusStatsCounter{} |
| |
| func (p *PrometheusStatsCounter) RecordHits(count uint64) { |
| p.Metric.WithLabelValues("hit").Add(float64(count)) |
| } |
| |
| func (p *PrometheusStatsCounter) RecordMisses(count uint64) { |
| p.Metric.WithLabelValues("miss").Add(float64(count)) |
| } |
| |
| func (p *PrometheusStatsCounter) RecordLoadSuccess(loadTime time.Duration) { |
| } |
| |
| func (p *PrometheusStatsCounter) RecordLoadError(loadTime time.Duration) { |
| } |
| |
| func (p *PrometheusStatsCounter) RecordEviction() { |
| } |
| |
| func (p *PrometheusStatsCounter) Snapshot(stats *cache.Stats) { |
| } |