PeriodTimer (Flink : Runtime 2.1.1 API)

All Known Implementing Classes:

GaugePeriodTimer
```
public interface PeriodTimer
```
Interface for the measurement of the period of time.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void markEnd()
  
  void markStart()

- Method Detail
  - markStart
```
void markStart()
```
  - markEnd
```
void markEnd()
```