接口的使用
org.apache.flink.streaming.api.functions.TimestampAssigner

使用TimestampAssigner的程序包

程序包	说明
org.apache.flink.streaming.api.functions
org.apache.flink.streaming.api.functions.timestamps

org.apache.flink.streaming.api.functions中TimestampAssigner的使用

org.apache.flink.streaming.api.functions中TimestampAssigner的子接口

限定符和类型	接口和说明
interface	AssignerWithPeriodicWatermarks<T> The AssignerWithPeriodicWatermarks assigns event time timestamps to elements, and generates low watermarks that signal event time progress within the stream.
interface	AssignerWithPunctuatedWatermarks<T> The AssignerWithPunctuatedWatermarks assigns event time timestamps to elements, and generates low watermarks that signal event time progress within the stream.

实现TimestampAssigner的org.apache.flink.streaming.api.functions中的类

限定符和类型	类和说明
class	IngestionTimeExtractor<T> A timestamp assigner that assigns timestamps based on the machine's wall clock.

org.apache.flink.streaming.api.functions.timestamps中TimestampAssigner的使用

实现TimestampAssigner的org.apache.flink.streaming.api.functions.timestamps中的类

限定符和类型	类和说明
class	AscendingTimestampExtractor<T> A timestamp assigner and watermark generator for streams where timestamps are monotonously ascending.
class	BoundedOutOfOrdernessTimestampExtractor<T> This is a AssignerWithPeriodicWatermarks used to emit Watermarks that lag behind the element with the maximum timestamp (in event time) seen so far by a fixed amount of time, t_late.