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19 package org.apache.hadoop.metrics2.lib;
20
21 import java.util.concurrent.atomic.AtomicLongArray;
22
23 import org.apache.hadoop.hbase.classification.InterfaceAudience;
24 import org.apache.hadoop.metrics2.MetricsInfo;
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29 @InterfaceAudience.Private
30 public class MutableSizeHistogram extends MutableRangeHistogram {
31 private final String rangeType = "SizeRangeCount";
32 private final long[] ranges = {10,100,1000,10000,100000,1000000,10000000,100000000};
33 private final AtomicLongArray rangeVals = new AtomicLongArray(getRange().length+1);
34
35 public MutableSizeHistogram(MetricsInfo info) {
36 this(info.name(), info.description());
37 }
38
39 public MutableSizeHistogram(String name, String description) {
40 super(name, description);
41 }
42
43 @Override
44 public String getRangeType() {
45 return rangeType;
46 }
47
48 @Override
49 public long[] getRange() {
50 return ranges;
51 }
52
53 @Override
54 public AtomicLongArray getRangeVals() {
55 return rangeVals;
56 }
57 }