org.apache.flink.state.api.input.operator.window

类 ReduceEvictingWindowReaderFunction<IN,OUT,KEY,W extends org.apache.flink.streaming.api.windowing.windows.Window>

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.state.api.functions.WindowReaderFunction<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN>,OUT,KEY,W>

org.apache.flink.state.api.input.operator.window.EvictingWindowReaderFunction<IN,IN,OUT,KEY,W>

org.apache.flink.state.api.input.operator.window.ReduceEvictingWindowReaderFunction<IN,OUT,KEY,W>

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction

@Internal
public class ReduceEvictingWindowReaderFunction<IN,OUT,KEY,W extends org.apache.flink.streaming.api.windowing.windows.Window>
extends EvictingWindowReaderFunction<IN,IN,OUT,KEY,W>

A wrapper function for reading state from an evicting window operator with a reduce function.

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 org.apache.flink.state.api.functions.WindowReaderFunction

WindowReaderFunction.Context<W extends org.apache.flink.streaming.api.windowing.windows.Window>

构造器概要

构造器

构造器和说明
ReduceEvictingWindowReaderFunction(WindowReaderFunction<IN,OUT,KEY,W> wrappedFunction, org.apache.flink.api.common.functions.ReduceFunction<IN> reduceFunction)

方法概要

限定符和类型	方法和说明
Iterable<IN>	transform(Iterable<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN>> elements)

从类继承的方法 org.apache.flink.state.api.input.operator.window.EvictingWindowReaderFunction

close, open, readWindow, setRuntimeContext

从类继承的方法 org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext, getRuntimeContext

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ReduceEvictingWindowReaderFunction

public ReduceEvictingWindowReaderFunction(WindowReaderFunction<IN,OUT,KEY,W> wrappedFunction,
                                          org.apache.flink.api.common.functions.ReduceFunction<IN> reduceFunction)

方法详细资料

transform

public Iterable<IN> transform(Iterable<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN>> elements)
                       throws Exception

指定者:

transform 在类中 EvictingWindowReaderFunction<IN,IN,OUT,KEY,W extends org.apache.flink.streaming.api.windowing.windows.Window>

抛出:

Exception