Counter (Apache ZooKeeper - Server 3.9.1 API)

All Known Implementing Classes:

SimpleCounter
```
public interface Counter
```
A counter refers to a value which can only increase. Usually the value is reset when the process starts.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`add(long delta)`	Increment the value by a given amount.
`long`	`get()`	Get the current value held by the counter.
`default void`	`inc()`	Increment the value by one.

- Method Detail
  - inc
```
default void inc()
```
    Increment the value by one.
    This method is thread safe, The MetricsProvider will take care of synchronization.
  - add
```
void add(long delta)
```
    Increment the value by a given amount.
    This method is thread safe, The MetricsProvider will take care of synchronization.
    
    Parameters:
    
    delta - amount to increment, this cannot be a negative number.
  - get
```
long get()
```
    Get the current value held by the counter.
    This method is thread safe, The MetricsProvider will take care of synchronization.
    
    Returns:
    
    the current value