120 lines
3.1 KiB
Go
120 lines
3.1 KiB
Go
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/**
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* Tencent is pleased to support the open source community by making polaris-go available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package model
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import "time"
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// ChangeType 配置文件变更类型
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type ChangeType int
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const (
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// Modified 修改类型
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Modified ChangeType = iota
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// Deleted 删除类型
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Deleted
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// Added 新增类型
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Added
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// NotChanged 没有变更
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NotChanged
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)
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type (
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// OnConfigFileChange 配置文件变更回调监听器
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OnConfigFileChange func(event ConfigFileChangeEvent)
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// OnConfigGroupChange .
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OnConfigGroupChange func(event *ConfigGroupChangeEvent)
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)
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// ConfigFileChangeEvent 配置文件变更事件
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type ConfigFileChangeEvent struct {
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ConfigFileMetadata ConfigFileMetadata
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// OldValue 变更之前的值
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OldValue string
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// NewValue 变更之后的值
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NewValue string
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// ChangeType 变更类型
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ChangeType ChangeType
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}
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type SimpleConfigFile struct {
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Namespace string
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FileGroup string
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FileName string
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Version uint64
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Md5 string
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ReleaseTime time.Time
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}
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// ConfigGroupChangeEvent 配置文件变更事件
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type ConfigGroupChangeEvent struct {
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Before []*SimpleConfigFile
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After []*SimpleConfigFile
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}
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// ConfigFileMetadata 配置文件元信息
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type ConfigFileMetadata interface {
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// GetNamespace 获取 Namespace 信息
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GetNamespace() string
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// GetFileGroup 获取配置文件组
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GetFileGroup() string
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// GetFileName 获取配置文件值
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GetFileName() string
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}
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// ConfigFile 文本类型配置文件对象
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type ConfigFile interface {
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ConfigFileMetadata
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// GetContent 获取配置文件内容
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GetContent() string
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// HasContent 是否有配置内容
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HasContent() bool
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// AddChangeListenerWithChannel 增加配置文件变更监听器
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AddChangeListenerWithChannel() <-chan ConfigFileChangeEvent
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// AddChangeListener 增加配置文件变更监听器
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AddChangeListener(cb OnConfigFileChange)
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}
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// DefaultConfigFileMetadata 默认 ConfigFileMetadata 实现类
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type DefaultConfigFileMetadata struct {
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Namespace string
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FileGroup string
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FileName string
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}
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// GetNamespace 获取 Namespace
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func (m *DefaultConfigFileMetadata) GetNamespace() string {
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return m.Namespace
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}
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// GetFileGroup 获取配置文件组
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func (m *DefaultConfigFileMetadata) GetFileGroup() string {
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return m.FileGroup
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}
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// GetFileName 获取配置文件值
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func (m *DefaultConfigFileMetadata) GetFileName() string {
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return m.FileName
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}
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type ConfigFileGroup interface {
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// GetFiles
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GetFiles() ([]*SimpleConfigFile, string, bool)
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// AddChangeListener 增加配置文件变更监听器
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AddChangeListener(cb OnConfigGroupChange)
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}
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