/**
* 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.hadoop.hbase.master;
import java.util.Map;
import org.apache.hadoop.hbase.HServerLoad;
/**
* This is the JMX management interface for Hbase master information
*/
public interface MXBean {
/**
* Required for MXBean implementation
*/
public static interface RegionsInTransitionInfo {
/**
* Name of region in transition
*/
public String getRegionName();
/**
* Current transition state
*/
public String getRegionState();
/**
* Get Region Server name
*/
public String getRegionServerName();
/**
* Get last update time
*/
public long getLastUpdateTime();
}
/**
* Get ServerName
*/
public String getServerName();
/**
* Get Average Load
* @return Average Load
*/
public double getAverageLoad();
/**
* Get the Cluster ID
* @return Cluster ID
*/
public String getClusterId();
/**
* Get the Zookeeper Quorum Info
* @return Zookeeper Quorum Info
*/
public String getZookeeperQuorum();
/**
* Get the co-processors
* @return Co-processors
*/
public String[] getCoprocessors();
/**
* Get hbase master start time
* @return Start time of master in milliseconds
*/
public long getMasterStartTime();
/**
* Get the hbase master active time
* @return Time in milliseconds when master became active
*/
public long getMasterActiveTime();
/**
* Whether this master is the active master
* @return True if this is the active master
*/
public boolean getIsActiveMaster();
/**
* Get the live region servers
* @return Live region servers
*/
public Map<String, HServerLoad> getRegionServers();
/**
* Get the dead region servers
* @return Dead region Servers
*/
public String[] getDeadRegionServers();
/**
* Get information on regions in transition
* @return Regions in transition
*/
public RegionsInTransitionInfo[] getRegionsInTransition();
}