com.hazelcast.cp.internal.raft.impl.task.PreVoteTimeoutTask Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, Hazelcast, Inc. 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 com.hazelcast.cp.internal.raft.impl.task;
import com.hazelcast.cp.internal.raft.impl.RaftNodeImpl;
import com.hazelcast.cp.internal.raft.impl.state.RaftState;
import static com.hazelcast.cp.internal.raft.impl.RaftRole.FOLLOWER;
/**
* PreVoteTimeoutTask is scheduled by {@link PreVoteTask} to trigger pre-voting
* again if this node is still a follower and a leader is not available after
* leader election timeout.
*/
public class PreVoteTimeoutTask extends RaftNodeStatusAwareTask implements Runnable {
private int term;
PreVoteTimeoutTask(RaftNodeImpl raftNode, int term) {
super(raftNode);
this.term = term;
}
@Override
protected void innerRun() {
RaftState state = raftNode.state();
// Remove previously set preCandidateState.
// Since it's now obsolete,
// either a new pre-vote round will begin
// or pre-vote phase will cease.
state.removePreCandidateState();
if (state.role() != FOLLOWER) {
return;
}
logger.fine("Pre-vote for term: " + state.term() + " has timed out!");
new PreVoteTask(raftNode, term).run();
}
}