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;
019
020import org.apache.hadoop.hbase.metrics.BaseSourceImpl;
021import org.apache.hadoop.metrics2.MetricHistogram;
022import org.apache.yetus.audience.InterfaceAudience;
023
024@InterfaceAudience.Private
025public class MetricsSnapshotSourceImpl extends BaseSourceImpl implements MetricsSnapshotSource {
026
027  private MetricHistogram snapshotTimeHisto;
028  private MetricHistogram snapshotCloneTimeHisto;
029  private MetricHistogram snapshotRestoreTimeHisto;
030
031  public MetricsSnapshotSourceImpl() {
032    this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);
033  }
034
035  public MetricsSnapshotSourceImpl(String metricsName, String metricsDescription,
036    String metricsContext, String metricsJmxContext) {
037    super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
038  }
039
040  @Override
041  public void init() {
042    snapshotTimeHisto = metricsRegistry.newTimeHistogram(SNAPSHOT_TIME_NAME, SNAPSHOT_TIME_DESC);
043    snapshotCloneTimeHisto =
044      metricsRegistry.newTimeHistogram(SNAPSHOT_CLONE_TIME_NAME, SNAPSHOT_CLONE_TIME_DESC);
045    snapshotRestoreTimeHisto =
046      metricsRegistry.newTimeHistogram(SNAPSHOT_RESTORE_TIME_NAME, SNAPSHOT_RESTORE_TIME_DESC);
047  }
048
049  @Override
050  public void updateSnapshotTime(long time) {
051    snapshotTimeHisto.add(time);
052  }
053
054  @Override
055  public void updateSnapshotCloneTime(long time) {
056    snapshotCloneTimeHisto.add(time);
057  }
058
059  @Override
060  public void updateSnapshotRestoreTime(long time) {
061    snapshotRestoreTimeHisto.add(time);
062  }
063}