| /* |
| * 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 notify |
| |
| import ( |
| "github.com/apache/servicecomb-service-center/pkg/util" |
| ) |
| |
| type Group struct { |
| name string |
| subscribers *util.ConcurrentMap |
| } |
| |
| func (g *Group) Name() string { |
| return g.name |
| } |
| |
| func (g *Group) Notify(job Event) { |
| g.subscribers.ForEach(func(item util.MapItem) (next bool) { |
| item.Value.(Subscriber).OnMessage(job) |
| return true |
| }) |
| } |
| |
| func (g *Group) Subscribers(name string) Subscriber { |
| s, ok := g.subscribers.Get(name) |
| if !ok { |
| return nil |
| } |
| return s.(Subscriber) |
| } |
| |
| func (g *Group) AddSubscriber(subscriber Subscriber) Subscriber { |
| return g.subscribers.PutIfAbsent(subscriber.ID(), subscriber).(Subscriber) |
| } |
| |
| func (g *Group) Remove(name string) { |
| g.subscribers.Remove(name) |
| } |
| |
| func (g *Group) Size() int { |
| return g.subscribers.Size() |
| } |
| |
| func NewGroup(name string) *Group { |
| return &Group{ |
| name: name, |
| subscribers: util.NewConcurrentMap(0), |
| } |
| } |