WaterMarkEvent (Storm 2.7.1 API)

java.lang.Object
- org.apache.storm.windowing.EventImpl<T>
- - org.apache.storm.windowing.WaterMarkEvent<T>

All Implemented Interfaces:

Event<T>
```
public class WaterMarkEvent<T>
extends EventImpl<T>
```
Watermark event used for tracking progress of time when processing event based ts.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  WaterMarkEvent(long ts)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean isWatermark()
  If this is a watermark event or not.
  
  String toString()
  - Methods inherited from class org.apache.storm.windowing.EventImpl
    get, getTimestamp
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - WaterMarkEvent
```
public WaterMarkEvent(long ts)
```
- Method Detail
  - isWatermark
```
public boolean isWatermark()
```
    Description copied from interface: Event
    
    If this is a watermark event or not. Watermark events are used for tracking time while processing event based ts.
    
    Specified by:
    
    isWatermark in interface Event<T>
    
    Overrides:
    
    isWatermark in class EventImpl<T>
    
    Returns:
    
    true if this is a watermark event
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class EventImpl<T>