001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.rsgroup;
019
020import org.apache.hadoop.hbase.ServerName;
021import org.apache.hadoop.hbase.master.MasterServices;
022import org.apache.yetus.audience.InterfaceAudience;
023
024/**
025 * Helper class for RSGroup implementation
026 */
027@InterfaceAudience.Private
028public final class RSGroupUtil {
029
030  public static boolean rsGroupHasOnlineServer(MasterServices master, RSGroupInfo rsGroupInfo) {
031    for (ServerName onlineServer : master.getServerManager().createDestinationServersList()) {
032      if (rsGroupInfo.getServers().contains(onlineServer.getAddress())) {
033        return true;
034      }
035    }
036    return false;
037  }
038
039}