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;
021
022import java.util.Objects;
023
024import org.apache.yetus.audience.InterfaceAudience;
025
026/**
027 * Dropwizard metrics implementation of {@link org.apache.hadoop.hbase.metrics.Meter}.
028 */
029@InterfaceAudience.Private
030public class DropwizardMeter implements org.apache.hadoop.hbase.metrics.Meter {
031
032  private final Meter meter;
033
034  public DropwizardMeter() {
035    this.meter = new Meter();
036  }
037
038  public DropwizardMeter(Meter meter) {
039    this.meter = Objects.requireNonNull(meter);
040  }
041
042  @Override public void mark() {
043    this.meter.mark();
044  }
045
046  @Override 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}