接口 WindowFunction<I,O>
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- 函数接口:
- 这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。
@Public @Stable @FunctionalInterface public interface WindowFunction<I,O>This is the interface of the windowed function api. The process method is called for every triggered window.
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方法详细资料
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process
O process(java.util.Collection<Record<I>> input, WindowContext context) throws java.lang.Exception
Process the input.- 返回:
- the output
- 抛出:
java.lang.Exception
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