/
follower.go
55 lines (45 loc) · 1.35 KB
/
follower.go
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/*
* Copyright (c) 2019. Aberic - All Rights Reserved.
*
* Licensed 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 rafts
import (
"github.com/aberic/gnomon"
)
// follower 负责响应来自Leader或者Candidate的请求
type follower struct {
// raft服务
raft *Raft
}
func (f *follower) become(raft *Raft) {
gnomon.Log().Info("raft", gnomon.Log().Field("become", "Follower"))
f.raft = raft
f.raft.persistence.votedFor.id = ""
f.raft.persistence.votedFor.term = 0
f.raft.scheduled.refreshLastHeartBeatTime()
}
func (f *follower) leader() {
f.release()
f.raft.role = &leader{}
f.raft.role.become(f.raft)
}
func (f *follower) candidate() {
f.release()
f.raft.role = &candidate{}
f.raft.role.become(f.raft)
}
func (f *follower) follower() {}
func (f *follower) release() {}
func (f *follower) role() int {
return RoleFollower
}
func (f *follower) work() {}