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.metrics.impl;
019
020import com.codahale.metrics.Meter;
021import java.util.Objects;
022import org.apache.yetus.audience.InterfaceAudience;
023
024/**
025 * Dropwizard metrics implementation of {@link org.apache.hadoop.hbase.metrics.Meter}.
026 */
027@InterfaceAudience.Private
028public class DropwizardMeter implements org.apache.hadoop.hbase.metrics.Meter {
029
030  private final Meter meter;
031
032  public DropwizardMeter() {
033    this.meter = new Meter();
034  }
035
036  public DropwizardMeter(Meter meter) {
037    this.meter = Objects.requireNonNull(meter);
038  }
039
040  @Override
041  public void mark() {
042    this.meter.mark();
043  }
044
045  @Override
046  public void mark(long count) {
047    this.meter.mark(count);
048  }
049
050  @Override
051  public long getCount() {
052    return meter.getCount();
053  }
054
055  @Override
056  public double getMeanRate() {
057    return meter.getMeanRate();
058  }
059
060  @Override
061  public double getOneMinuteRate() {
062    return meter.getOneMinuteRate();
063  }
064
065  @Override
066  public double getFiveMinuteRate() {
067    return meter.getFiveMinuteRate();
068  }
069
070  @Override
071  public double getFifteenMinuteRate() {
072    return meter.getFifteenMinuteRate();
073  }
074}