| /* |
| * 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 ( |
| "sync" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go/cluster/router" |
| ) |
| |
| var ( |
| routers = make(map[string]func() router.PriorityRouterFactory) |
| fileRouterFactoryOnce sync.Once |
| fileRouterFactories = make(map[string]router.FilePriorityRouterFactory) |
| ) |
| |
| // SetRouterFactory sets create router factory function with @name |
| func SetRouterFactory(name string, fun func() router.PriorityRouterFactory) { |
| routers[name] = fun |
| } |
| |
| // GetRouterFactory gets create router factory function by @name |
| func GetRouterFactory(name string) router.PriorityRouterFactory { |
| if routers[name] == nil { |
| panic("router_factory for " + name + " is not existing, make sure you have import the package.") |
| } |
| return routers[name]() |
| } |
| |
| // GetRouterFactories gets all create router factory function |
| func GetRouterFactories() map[string]func() router.PriorityRouterFactory { |
| return routers |
| } |
| |
| // GetFileRouterFactories gets all create file router factory instance |
| func GetFileRouterFactories() map[string]router.FilePriorityRouterFactory { |
| l := len(routers) |
| if l == 0 { |
| return nil |
| } |
| fileRouterFactoryOnce.Do(func() { |
| for k := range routers { |
| factory := GetRouterFactory(k) |
| if fr, ok := factory.(router.FilePriorityRouterFactory); ok { |
| fileRouterFactories[k] = fr |
| } |
| } |
| }) |
| return fileRouterFactories |
| } |