PunctuatedWatermarkAssigner (Flink : Table : API Java bridge 2.0-preview1 API)

java.lang.Object
- org.apache.flink.table.sources.wmstrategies.WatermarkStrategy
- - org.apache.flink.table.sources.wmstrategies.PunctuatedWatermarkAssigner

All Implemented Interfaces:

Serializable, org.apache.flink.table.legacy.descriptors.Descriptor
```
@PublicEvolving
public abstract class PunctuatedWatermarkAssigner
extends org.apache.flink.table.sources.wmstrategies.WatermarkStrategy
```
A punctuated watermark assigner.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

PunctuatedWatermarkAssigner()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`abstract org.apache.flink.streaming.api.watermark.Watermark`	`getWatermark(org.apache.flink.types.Row row, long timestamp)`	Returns the watermark for the current row or null if no watermark should be generated.

Methods inherited from class org.apache.flink.table.sources.wmstrategies.WatermarkStrategy
toProperties

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - PunctuatedWatermarkAssigner
```
public PunctuatedWatermarkAssigner()
```
- Method Detail
  - getWatermark
```
public abstract org.apache.flink.streaming.api.watermark.Watermark getWatermark(org.apache.flink.types.Row row,
                                                                                long timestamp)
```
    Returns the watermark for the current row or null if no watermark should be generated.
    
    Parameters:
    
    row - The current row.
    
    timestamp - The value of the timestamp attribute for the row.
    
    Returns:
    
    The watermark for this row or null if no watermark should be generated.