/**
* Copyright 2010 The Apache Software Foundation
*
* 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;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.catalog.CatalogTracker;
import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
/**
* Defines the set of shared functions implemented by HBase servers (Masters
* and RegionServers).
*/
public interface Server extends Abortable, Stoppable {
/**
* Gets the configuration object for this server.
*/
public Configuration getConfiguration();
/**
* Gets the ZooKeeper instance for this server.
*/
public ZooKeeperWatcher getZooKeeper();
/**
* @return Master's instance of {@link CatalogTracker}
*/
public CatalogTracker getCatalogTracker();
/**
* Gets the unique server name for this server.
* If a RegionServer, it returns a concatenation of hostname, port and
* startcode formatted as <code><hostname> ',' <port> ',' <startcode></code>.
* If the master, it returns <code><hostname> ':' <port>'.
* @return unique server name
*/
public String getServerName();
}