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.metrics2.lib;
019
020import org.apache.hadoop.metrics2.MetricsInfo;
021import org.apache.yetus.audience.InterfaceAudience;
022
023/**
024 * Extended histogram implementation with counters for metric size ranges.
025 */
026@InterfaceAudience.Private
027public class MutableSizeHistogram extends MutableRangeHistogram {
028
029  private final static String RANGE_TYPE = "SizeRangeCount";
030  private final static long[] RANGES =
031    { 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000 };
032
033  public MutableSizeHistogram(MetricsInfo info) {
034    this(info.name(), info.description());
035  }
036
037  public MutableSizeHistogram(String name, String description) {
038    super(name, description);
039  }
040
041  @Override
042  public String getRangeType() {
043    return RANGE_TYPE;
044  }
045
046  @Override
047  public long[] getRanges() {
048    return RANGES;
049  }
050
051}