CountStatAndMetric (Heron Api Documentation)

java.lang.Object
- org.apache.heron.api.metric.CountStatAndMetric

All Implemented Interfaces:

IMetric<Long>
```
public class CountStatAndMetric
extends Object
implements IMetric<Long>
```
Acts as a Count Metric, but also keeps track of approximate counts for the last 10 mins, 3 hours, 1 day, and all time.

Constructor Summary

Constructors
Constructor Description

CountStatAndMetric(int numBuckets)
Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`Map<String,Long>`	`getTimeCounts()`	Get current time counts
`Long`	`getValueAndReset()`
`void`	`incBy(long count)`	Increase the count by the given value.

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

- Constructor Detail
  - CountStatAndMetric
```
public CountStatAndMetric(int numBuckets)
```
    Constructor
    
    Parameters:
    
    numBuckets - the number of buckets to divide the time periods into.
- Method Detail
  - incBy
```
public void incBy(long count)
```
    Increase the count by the given value.
    
    Parameters:
    
    count - number to count
  - getValueAndReset
```
public Long getValueAndReset()
```
    Specified by:
    
    getValueAndReset in interface IMetric<Long>
  - getTimeCounts
```
public Map<String,Long> getTimeCounts()
```
    Get current time counts
    
    Returns:
    
    a map of time window to count. Keys are "600" for last 10 mins "10800" for the last 3 hours "86400" for the last day ":all-time" for all time
  - close
```
public void close()
```