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}