mirror of
https://gitee.com/milvus-io/milvus.git
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78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
// Copyright 2017 TiKV Project Authors.
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//
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// Licensed under the Apache License, Version 2.0 (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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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package config
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import (
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"sync/atomic"
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"time"
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//"github.com/czs007/suvlim/master/kv"
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"github.com/czs007/suvlim/master/meta"
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)
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// PersistOptions wraps all configurations that need to persist to storage and
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// allows to access them safely.
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type PersistOptions struct {
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pdServerConfig atomic.Value
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}
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// NewPersistOptions creates a new PersistOptions instance.
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func NewPersistOptions(cfg *Config) *PersistOptions {
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o := &PersistOptions{}
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o.pdServerConfig.Store(&cfg.PDServerCfg)
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return o
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}
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// GetPDServerConfig returns pd server configurations.
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func (o *PersistOptions) GetPDServerConfig() *PDServerConfig {
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return o.pdServerConfig.Load().(*PDServerConfig)
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}
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// SetPDServerConfig sets the PD configuration.
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func (o *PersistOptions) SetPDServerConfig(cfg *PDServerConfig) {
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o.pdServerConfig.Store(cfg)
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}
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// GetMaxResetTSGap gets the max gap to reset the tso.
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func (o *PersistOptions) GetMaxResetTSGap() time.Duration {
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return o.GetPDServerConfig().MaxResetTSGap.Duration
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}
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// Persist saves the configuration to the storage.
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func (o *PersistOptions) Persist(storage *meta.Storage) error {
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cfg := &Config{
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PDServerCfg: *o.GetPDServerConfig(),
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}
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err := storage.SaveConfig(cfg)
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return err
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}
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// Reload reloads the configuration from the storage.
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func (o *PersistOptions) Reload(storage *meta.Storage) error {
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cfg := &Config{}
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// pass nil to initialize cfg to default values (all items undefined)
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cfg.Adjust(nil)
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isExist, err := storage.LoadConfig(cfg)
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if err != nil {
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return err
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}
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if isExist {
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o.pdServerConfig.Store(&cfg.PDServerCfg)
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}
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return nil
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}
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