CountEvictor 与 TriggerResult.FIRE_AND_PURGE 清理窗口数据有区别吗?

[USERNAME]

大家，新年快乐~


[1] TriggerResult.FIRE_AND_PURGE
https://github.com/apache/flink/blob/1662d5d0cda6a813e5c59014acfd7615b153119f/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/windowing/evictors/CountEvictor.java#L74
[2] CountEvictor
https://github.com/apache/flink/blob/1662d5d0cda6a813e5c59014acfd7615b153119f/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/operators/windowing/WindowOperator.java#L377