/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.metrics2.lib;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.metrics2.MetricsInfo;
/**
* Extended histogram implementation with counters for metric time ranges.
*/
@InterfaceAudience.Private
public class MutableTimeHistogram extends MutableRangeHistogram {
private final static String RANGE_TYPE = "TimeRangeCount";
private final static long[] RANGES =
{ 1, 3, 10, 30, 100, 300, 1000, 3000, 10000, 30000, 60000, 120000, 300000, 600000 };
public MutableTimeHistogram(MetricsInfo info) {
this(info.name(), info.description());
}
public MutableTimeHistogram(String name, String description) {
this(name, description, RANGES[RANGES.length - 2]);
}
public MutableTimeHistogram(String name, String description, long expectedMax) {
super(name, description, expectedMax);
}
@Override
public String getRangeType() {
return RANGE_TYPE;
}
@Override
public long[] getRanges() {
return RANGES;
}
}