程序包的使用
org.apache.flink.streaming.api.functions

使用org.apache.flink.streaming.api.functions的程序包

程序包	说明
org.apache.flink.streaming.api.datastream
org.apache.flink.streaming.api.functions
org.apache.flink.streaming.api.functions.timestamps
org.apache.flink.streaming.api.operators
org.apache.flink.streaming.runtime.operators	This package contains the operators that perform the stream transformations.

org.apache.flink.streaming.api.datastream使用的org.apache.flink.streaming.api.functions中的类

类和说明
AssignerWithPeriodicWatermarks The AssignerWithPeriodicWatermarks assigns event time timestamps to elements, and generates low watermarks that signal event time progress within the stream.
AssignerWithPunctuatedWatermarks The AssignerWithPunctuatedWatermarks assigns event time timestamps to elements, and generates low watermarks that signal event time progress within the stream.
KeyedProcessFunction A keyed function that processes elements of a stream.
ProcessFunction A function that processes elements of a stream.
TimestampExtractor 已过时。 This class has been replaced by AssignerWithPeriodicWatermarks and AssignerWithPunctuatedWatermarks

org.apache.flink.streaming.api.functions使用的org.apache.flink.streaming.api.functions中的类

类和说明
AssignerWithPeriodicWatermarks The AssignerWithPeriodicWatermarks assigns event time timestamps to elements, and generates low watermarks that signal event time progress within the stream.
KeyedProcessFunction.Context Information available in an invocation of KeyedProcessFunction.processElement(Object, Context, Collector) or KeyedProcessFunction.onTimer(long, OnTimerContext, Collector).
KeyedProcessFunction.OnTimerContext Information available in an invocation of KeyedProcessFunction.onTimer(long, OnTimerContext, Collector).
ProcessFunction.Context Information available in an invocation of ProcessFunction.processElement(Object, Context, Collector) or ProcessFunction.onTimer(long, OnTimerContext, Collector).
ProcessFunction.OnTimerContext Information available in an invocation of ProcessFunction.onTimer(long, OnTimerContext, Collector).
TimestampAssigner A TimestampAssigner assigns event time timestamps to elements.

org.apache.flink.streaming.api.functions.timestamps使用的org.apache.flink.streaming.api.functions中的类

类和说明
AssignerWithPeriodicWatermarks The AssignerWithPeriodicWatermarks assigns event time timestamps to elements, and generates low watermarks that signal event time progress within the stream.
TimestampAssigner A TimestampAssigner assigns event time timestamps to elements.

org.apache.flink.streaming.api.operators使用的org.apache.flink.streaming.api.functions中的类

类和说明
KeyedProcessFunction A keyed function that processes elements of a stream.
ProcessFunction A function that processes elements of a stream.

org.apache.flink.streaming.runtime.operators使用的org.apache.flink.streaming.api.functions中的类

类和说明
AssignerWithPeriodicWatermarks The AssignerWithPeriodicWatermarks assigns event time timestamps to elements, and generates low watermarks that signal event time progress within the stream.
AssignerWithPunctuatedWatermarks The AssignerWithPunctuatedWatermarks assigns event time timestamps to elements, and generates low watermarks that signal event time progress within the stream.
TimestampExtractor 已过时。 This class has been replaced by AssignerWithPeriodicWatermarks and AssignerWithPunctuatedWatermarks