Histogram (IoTDB: Core: Metrics: Metrics API 1.3.1 API)

All Superinterfaces:

IMetric

All Known Implementing Classes:

DoNothingHistogram
```
public interface Histogram
extends IMetric
```

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default void`	`constructValueMap(Map<String,Object> result)`
`long`	`getCount()`	Get the value of histogram.
`HistogramSnapshot`	`takeSnapshot()`	Take snapshot of histogram.
`void`	`update(long value)`	Update histogram by value.

Methods inherited from interface org.apache.iotdb.metrics.type.IMetric
setObjectName

- Method Detail
  - update
```
void update(long value)
```
    Update histogram by value.
  - getCount
```
long getCount()
```
    Get the value of histogram.
  - takeSnapshot
```
HistogramSnapshot takeSnapshot()
```
    Take snapshot of histogram.
  - constructValueMap
```
default void constructValueMap(Map<String,Object> result)
```
    Specified by:
    
    constructValueMap in interface IMetric