IProcessingStatistic (toolarium-processing-engine 0.5.0 API)

```
public interface IProcessingStatistic
```
The processing statistic

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`com.github.toolarium.common.statistic.StatisticCounter`	`get(java.lang.String key)`	Gets the statistic counter
`boolean`	`hasKey(java.lang.String key)`	Test if a key is defined or not
`boolean`	`isEmpty()`	Check if the statistic if empty
`java.util.Set<java.lang.String>`	`keySet()`	Returns the statistic key set

- Method Detail
  - keySet
```
java.util.Set<java.lang.String> keySet()
```
    Returns the statistic key set
    
    Returns:
    
    the key set
  - hasKey
```
boolean hasKey(java.lang.String key)
```
    Test if a key is defined or not
    
    Parameters:
    
    key - the key
    
    Returns:
    
    true if it exist
  - get
```
com.github.toolarium.common.statistic.StatisticCounter get(java.lang.String key)
```
    Gets the statistic counter
    
    Parameters:
    
    key - the statistic key
    
    Returns:
    
    the value if it was set; otherwise null
  - isEmpty
```
boolean isEmpty()
```
    Check if the statistic if empty
    
    Returns:
    
    true if it is empty