| /* |
| * 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 remoting |
| |
| import ( |
| "fmt" |
| ) |
| |
| // DataListener defines common data listener interface |
| type DataListener interface { |
| DataChange(event Event) bool // bool is return for interface implement is interesting |
| } |
| |
| // EventType means SourceObjectEventType |
| type EventType int |
| |
| const ( |
| // EventTypeAdd means add event |
| EventTypeAdd EventType = iota |
| // EventTypeDel means del event |
| EventTypeDel |
| EventTypeUpdate |
| ) |
| |
| var serviceEventTypeStrings = [...]string{ |
| "add", |
| "delete", |
| "update", |
| } |
| |
| // nolint |
| func (t EventType) String() string { |
| return serviceEventTypeStrings[t] |
| } |
| |
| // Event defines common elements for service event |
| type Event struct { |
| Path string |
| Action EventType |
| Content string |
| } |
| |
| // nolint |
| func (e Event) String() string { |
| return fmt.Sprintf("Event{Action{%s}, Content{%s}}", e.Action, e.Content) |
| } |