| /* |
| * 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 extension |
| |
| import ( |
| "github.com/apache/dubbo-go/metrics" |
| ) |
| |
| var ( |
| // we couldn't store the instance because the some instance may initialize before loading configuration |
| // so lazy initialization will be better. |
| metricReporterMap = make(map[string]func() metrics.Reporter, 4) |
| ) |
| |
| // SetMetricReporter set a reporter with the name |
| func SetMetricReporter(name string, reporterFunc func() metrics.Reporter) { |
| metricReporterMap[name] = reporterFunc |
| } |
| |
| // GetMetricReporter find the reporter with name. |
| // if not found, it will panic. |
| // we should know that this method usually is called when system starts, so we should panic |
| func GetMetricReporter(name string) metrics.Reporter { |
| reporterFunc, found := metricReporterMap[name] |
| if !found { |
| panic("Cannot find the reporter with name: " + name) |
| } |
| return reporterFunc() |
| } |