MutableRangeHistogram (Apache HBase 1.1.7 API)

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java.lang.Object
- org.apache.hadoop.metrics2.lib.MutableMetric
- - org.apache.hadoop.metrics2.lib.MutableHistogram
  - - org.apache.hadoop.metrics2.lib.MutableRangeHistogram

All Implemented Interfaces:

MetricHistogram

Direct Known Subclasses:

MutableSizeHistogram, MutableTimeHistogram
```
@InterfaceAudience.Private
public abstract class MutableRangeHistogram
extends MutableHistogram
```
Extended histogram implementation with metric range counters.

Field Summary
- Fields inherited from class org.apache.hadoop.metrics2.lib.MutableHistogram
  desc, name
- Fields inherited from interface org.apache.hadoop.metrics2.MetricHistogram
  MAX_METRIC_NAME, MEAN_METRIC_NAME, MEDIAN_METRIC_NAME, MIN_METRIC_NAME, NINETY_FIFTH_PERCENTILE_METRIC_NAME, NINETY_NINETH_PERCENTILE_METRIC_NAME, NUM_OPS_METRIC_NAME, SEVENTY_FIFTH_PERCENTILE_METRIC_NAME

Constructor Summary

Constructors
Constructor and Description

MutableRangeHistogram(org.apache.hadoop.metrics2.MetricsInfo info)

MutableRangeHistogram(String name, String description)

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`add(long val)` Add a single value to a histogram's stream of values.
`abstract long[]`	`getRange()` Returns the ranges to be counted
`abstract String`	`getRangeType()` Returns the type of range histogram size or time
`abstract AtomicLongArray`	`getRangeVals()` Returns the range counts
`void`	`snapshot(org.apache.hadoop.metrics2.MetricsRecordBuilder metricsRecordBuilder, boolean all)`
`void`	`updateSnapshotRangeMetrics(org.apache.hadoop.metrics2.MetricsRecordBuilder metricsRecordBuilder)`

Methods inherited from class org.apache.hadoop.metrics2.lib.MutableHistogram
getMax, getMean, getMin, updateSnapshotMetrics

Methods inherited from class org.apache.hadoop.metrics2.lib.MutableMetric
changed, clearChanged, setChanged, snapshot

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MutableRangeHistogram

public MutableRangeHistogram(org.apache.hadoop.metrics2.MetricsInfo info)

MutableRangeHistogram

public MutableRangeHistogram(String name,
                     String description)

Method Detail
- getRangeType
```
public abstract String getRangeType()
```
  Returns the type of range histogram size or time
- getRange
```
public abstract long[] getRange()
```
  Returns the ranges to be counted
- getRangeVals
```
public abstract AtomicLongArray getRangeVals()
```
  Returns the range counts
- add
```
public void add(long val)
```
  Description copied from interface: MetricHistogram
  
  Add a single value to a histogram's stream of values.
  
  Specified by:
  
  add in interface MetricHistogram
  
  Overrides:
  
  add in class MutableHistogram
- snapshot
```
public void snapshot(org.apache.hadoop.metrics2.MetricsRecordBuilder metricsRecordBuilder,
            boolean all)
```
  Overrides:
  
  snapshot in class MutableHistogram
- updateSnapshotRangeMetrics
```
public void updateSnapshotRangeMetrics(org.apache.hadoop.metrics2.MetricsRecordBuilder metricsRecordBuilder)
```

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