KeyCallback (pmemkv-java 1.0.0 API)

Type Parameters:

KeyT - the type of a key stored in the pmemkv database

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface KeyCallback<KeyT>
```
Represents callback function, which handle value-only use cases. Such expression may be passed to get() method in Database class

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void process(KeyT key)
  It's internally used as a middle layer to run callback function

- Method Detail
  - process
```
void process(KeyT key)
```
    It's internally used as a middle layer to run callback function
    
    Parameters:
    
    key - the key returned by pmemkv engine to callback function