程序包的使用
org.apache.flink.streaming.api.windowing.evictors

使用org.apache.flink.streaming.api.windowing.evictors的程序包

程序包	说明
org.apache.flink.streaming.api.datastream
org.apache.flink.streaming.api.windowing.evictors
org.apache.flink.streaming.runtime.operators.windowing	This package contains the operators that implement the various window operations on data streams.

org.apache.flink.streaming.api.datastream使用的org.apache.flink.streaming.api.windowing.evictors中的类

类和说明
Evictor An Evictor can remove elements from a pane before/after the evaluation of WindowFunction and after the window evaluation gets triggered by a Trigger A pane is the bucket of elements that have the same key (assigned by the KeySelector) and same Window.

org.apache.flink.streaming.api.windowing.evictors使用的org.apache.flink.streaming.api.windowing.evictors中的类

类和说明
CountEvictor An Evictor that keeps up to a certain amount of elements.
DeltaEvictor An Evictor that keeps elements based on a DeltaFunction and a threshold.
Evictor An Evictor can remove elements from a pane before/after the evaluation of WindowFunction and after the window evaluation gets triggered by a Trigger A pane is the bucket of elements that have the same key (assigned by the KeySelector) and same Window.
Evictor.EvictorContext A context object that is given to Evictor methods.
TimeEvictor An Evictor that keeps elements for a certain amount of time.

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

类和说明
Evictor An Evictor can remove elements from a pane before/after the evaluation of WindowFunction and after the window evaluation gets triggered by a Trigger A pane is the bucket of elements that have the same key (assigned by the KeySelector) and same Window.