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66 lines
1.5 KiB
66 lines
1.5 KiB
/*
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* Copyright 2020-2021 the original author(https://github.com/wj596)
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*
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* <p>
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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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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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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* </p>
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*/
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package storage
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import (
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"encoding/json"
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"github.com/siddontang/go-mysql/mysql"
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"go-mysql-transfer/global"
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"go-mysql-transfer/util/etcds"
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)
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type etcdPositionStorage struct {
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}
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func (s *etcdPositionStorage) Initialize() error {
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data, err := json.Marshal(mysql.Position{})
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if err != nil {
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return err
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}
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err = etcds.CreateIfNecessary(global.Cfg().ZkPositionDir(), string(data), _etcdOps)
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if err != nil {
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return err
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}
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return nil
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}
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func (s *etcdPositionStorage) Save(pos mysql.Position) error {
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data, err := json.Marshal(pos)
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if err != nil {
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return err
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}
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return etcds.Save(global.Cfg().ZkPositionDir(), string(data), _etcdOps)
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}
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func (s *etcdPositionStorage) Get() (mysql.Position, error) {
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var entity mysql.Position
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data, _, err := etcds.Get(global.Cfg().ZkPositionDir(), _etcdOps)
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if err != nil {
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return entity, err
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}
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err = json.Unmarshal(data, &entity)
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return entity, err
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}
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