| /* |
| * 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 ( |
| perrors "github.com/pkg/errors" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go/registry/servicediscovery/instance" |
| ) |
| |
| var ( |
| serviceInstanceSelectorMappings = make(map[string]func() instance.ServiceInstanceSelector, 2) |
| ) |
| |
| // nolint |
| func SetServiceInstanceSelector(name string, f func() instance.ServiceInstanceSelector) { |
| serviceInstanceSelectorMappings[name] = f |
| } |
| |
| // GetServiceInstanceSelector will create an instance |
| // it will panic if selector with the @name not found |
| func GetServiceInstanceSelector(name string) (instance.ServiceInstanceSelector, error) { |
| serviceInstanceSelector, ok := serviceInstanceSelectorMappings[name] |
| if !ok { |
| return nil, perrors.New("Could not find service instance selector with" + |
| "name:" + name) |
| } |
| return serviceInstanceSelector(), nil |
| } |