Counter (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

All Superinterfaces:

Statistic

All Known Implementing Classes:

AtomicLongCounter, UnsynchronizedLongCounter
```
public interface Counter
extends Statistic
```
Simple statistic by counting. For example: invocations of a method.

Since:

0.6.0

Author:

Erich Schubert

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`decrement()`	Decrement the counter.
`long`	`getValue()`	Get the current count.
`long`	`increment()`	Increment the counter.
`long`	`increment(long i)`	Increment the counter by i.

Methods inherited from interface elki.logging.statistics.Statistic
formatValue, getKey

- Method Detail
  - increment
```
long increment()
```
    Increment the counter.
    
    Returns:
    
    Current value.
  - decrement
```
long decrement()
```
    Decrement the counter.
    
    Returns:
    
    Current value.
  - getValue
```
long getValue()
```
    Get the current count.
    
    Returns:
    
    Current count.
  - increment
```
long increment(long i)
```
    Increment the counter by i. Note: the increment may be negative!
    
    Parameters:
    
    i - increment.
    
    Returns:
    
    Current count.