@Internal public class PassThroughWindowFunction<K,W extends Window,T> extends Object implements WindowFunction<T,T,K,W>
WindowFunction that just emits each input element.| 构造器和说明 |
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PassThroughWindowFunction() |
public void apply(K k, W window, Iterable<T> input, org.apache.flink.util.Collector<T> out) throws Exception
WindowFunctionapply 在接口中 WindowFunction<T,T,K,W extends Window>k - The key for which this window is evaluated.window - The window that is being evaluated.input - The elements in the window being evaluated.out - A collector for emitting elements.Exception - The function may throw exceptions to fail the program and trigger recovery.Copyright © 2014–2022 The Apache Software Foundation. All rights reserved.