io.mantisrx.server.master.LeadershipManagerLocalImpl Maven / Gradle / Ivy
/*
* Copyright 2019 Netflix, Inc.
*
* 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 io.mantisrx.server.master;
import io.mantisrx.server.core.ILeadershipManager;
import io.mantisrx.server.core.master.MasterDescription;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class LeadershipManagerLocalImpl implements ILeadershipManager {
private static final Logger logger = LoggerFactory.getLogger(LeadershipManagerLocalImpl.class);
private final MasterDescription masterDescription;
private volatile boolean isLeader = true;
private volatile boolean isReady = false;
public LeadershipManagerLocalImpl(MasterDescription masterDescription) {
this.masterDescription = masterDescription;
}
@Override
public void becomeLeader() {
logger.info("Becoming leader now");
isLeader = true;
}
@Override
public boolean isLeader() {
logger.debug("is leader? {}", isLeader);
return isLeader;
}
@Override
public boolean isReady() {
return isReady;
}
@Override
public void setLeaderReady() {
logger.info("marking leader READY");
isReady = true;
}
@Override
public void stopBeingLeader() {
logger.info("Asked to stop being leader now");
isReady = false;
isLeader = false;
}
@Override
public MasterDescription getDescription() {
return masterDescription;
}
}