org.apache.zookeeper.server.ObserverBean Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.zookeeper.server;
import java.net.InetSocketAddress;
import org.apache.zookeeper.server.quorum.Observer;
import org.apache.zookeeper.server.quorum.ObserverMXBean;
import org.apache.zookeeper.server.quorum.QuorumPeer;
/**
* ObserverBean
*
*/
public class ObserverBean extends ZooKeeperServerBean implements ObserverMXBean {
private Observer observer;
public ObserverBean(Observer observer, ZooKeeperServer zks) {
super(zks);
this.observer = observer;
}
public String getName() {
return "Observer";
}
public int getPendingRevalidationCount() {
return this.observer.getPendingRevalidationsCount();
}
public String getQuorumAddress() {
return observer.getSocket().toString();
}
public String getLearnerMaster() {
QuorumPeer.QuorumServer learnerMaster = observer.getCurrentLearnerMaster();
if (learnerMaster == null || learnerMaster.addr.isEmpty()) {
return "Unknown";
}
InetSocketAddress address = learnerMaster.addr.getReachableOrOne();
return address.getAddress().getHostAddress() + ":" + address.getPort();
}
public void setLearnerMaster(String learnerMaster) {
if (!observer.setLearnerMaster(learnerMaster)) {
throw new IllegalArgumentException("Not a valid learner master");
}
}
}