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.master.http.api_v1.cluster_metrics.model; 019 020import java.util.List; 021import org.apache.hadoop.hbase.ServerName; 022import org.apache.yetus.audience.InterfaceAudience; 023 024/** 025 * Exposes a subset of fields from {@link org.apache.hadoop.hbase.ClusterMetrics}. 026 */ 027@InterfaceAudience.Private 028public final class ClusterMetrics { 029 030 private final String hbaseVersion; 031 private final String clusterId; 032 private final ServerName masterName; 033 private final List<ServerName> backupMasterNames; 034 035 public static ClusterMetrics from(org.apache.hadoop.hbase.ClusterMetrics clusterMetrics) { 036 return new ClusterMetrics(clusterMetrics.getHBaseVersion(), clusterMetrics.getClusterId(), 037 clusterMetrics.getMasterName(), clusterMetrics.getBackupMasterNames()); 038 } 039 040 private ClusterMetrics(String hbaseVersion, String clusterId, ServerName masterName, 041 List<ServerName> backupMasterNames) { 042 this.hbaseVersion = hbaseVersion; 043 this.clusterId = clusterId; 044 this.masterName = masterName; 045 this.backupMasterNames = backupMasterNames; 046 } 047 048 public String getHBaseVersion() { 049 return hbaseVersion; 050 } 051 052 public String getClusterId() { 053 return clusterId; 054 } 055 056 public ServerName getMasterName() { 057 return masterName; 058 } 059 060 public List<ServerName> getBackupMasterNames() { 061 return backupMasterNames; 062 } 063}