EventTimeExtractor (Flink : DataStream : API 2.1.0 API)

All Superinterfaces:

Serializable
```
@Experimental
public interface EventTimeExtractor<T>
extends Serializable
```
A user function designed to extract event time from an event.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`extractTimestamp(T event)`	Extract the event time from the event, with the result provided in milliseconds.

- Method Detail
  - extractTimestamp
```
long extractTimestamp(T event)
```
    Extract the event time from the event, with the result provided in milliseconds.