| /** |
| * 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.balancer; |
| |
| import java.io.Serializable; |
| |
| import org.apache.hadoop.hbase.classification.InterfaceAudience; |
| import org.apache.hadoop.hbase.ServerName; |
| |
| /** |
| * Data structure that holds servername and 'load'. |
| */ |
| @InterfaceAudience.Private |
| class ServerAndLoad implements Comparable<ServerAndLoad>, Serializable { |
| private static final long serialVersionUID = 2735470854607296965L; |
| private final ServerName sn; |
| private final int load; |
| |
| ServerAndLoad(final ServerName sn, final int load) { |
| this.sn = sn; |
| this.load = load; |
| } |
| |
| ServerName getServerName() { |
| return this.sn; |
| } |
| |
| int getLoad() { |
| return this.load; |
| } |
| |
| @Override |
| public int compareTo(ServerAndLoad other) { |
| int diff = this.load - other.load; |
| return diff != 0 ? diff : this.sn.compareTo(other.getServerName()); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = load; |
| result = 31 * result + ((sn == null) ? 0 : sn.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o instanceof ServerAndLoad) { |
| ServerAndLoad sl = (ServerAndLoad) o; |
| return this.compareTo(sl) == 0; |
| } |
| return false; |
| } |
| } |