ProcessingTimeManager (Flink : 2.0-SNAPSHOT API)

All Known Implementing Classes:

DefaultProcessingTimeManager, UnsupportedProcessingTimeManager
```
@Experimental
public interface ProcessingTimeManager
```
This is responsibility for managing runtime information related to processing time of process function.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`currentTime()`	Get the current processing time.
`void`	`deleteTimer(long timestamp)`	Deletes the processing-time timer with the given trigger timestamp.
`void`	`registerTimer(long timestamp)`	Register a processing timer for this process function.

- Method Detail
  - registerTimer
```
void registerTimer(long timestamp)
```
    Register a processing timer for this process function. `onProcessingTimer` method of this function will be invoked as callback if the timer expires.
    
    Parameters:
    
    timestamp - to trigger timer callback.
  - deleteTimer
```
void deleteTimer(long timestamp)
```
    Deletes the processing-time timer with the given trigger timestamp. This method has only an effect if such a timer was previously registered and did not already expire.
    
    Parameters:
    
    timestamp - indicates the timestamp of the timer to delete.
  - currentTime
```
long currentTime()
```
    Get the current processing time.
    
    Returns:
    
    current processing time.