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}