| /* |
| * 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 registry |
| |
| import ( |
| "reflect" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go/common/observer" |
| ) |
| |
| // The Service Discovery Changed Event Listener |
| type ServiceInstancesChangedListener struct { |
| ServiceName string |
| ChangedNotify observer.ChangedNotify |
| } |
| |
| // OnEvent on ServiceInstancesChangedEvent the service instances change event |
| func (lstn *ServiceInstancesChangedListener) OnEvent(e observer.Event) error { |
| lstn.ChangedNotify.Notify(e) |
| return nil |
| } |
| |
| // Accept return true if the name is the same |
| func (lstn *ServiceInstancesChangedListener) Accept(e observer.Event) bool { |
| if ce, ok := e.(*ServiceInstancesChangedEvent); ok { |
| return ce.ServiceName == lstn.ServiceName |
| } |
| return false |
| } |
| |
| // GetPriority returns -1, it will be the first invoked listener |
| func (lstn *ServiceInstancesChangedListener) GetPriority() int { |
| return -1 |
| } |
| |
| // GetEventType returns ServiceInstancesChangedEvent |
| func (lstn *ServiceInstancesChangedListener) GetEventType() reflect.Type { |
| return reflect.TypeOf(&ServiceInstancesChangedEvent{}) |
| } |