org.apache.flink.streaming.api.functions.windowing.delta.extractor

类 ConcatenatedExtract<FROM,OVER,TO>

java.lang.Object

org.apache.flink.streaming.api.functions.windowing.delta.extractor.ConcatenatedExtract<FROM,OVER,TO>

类型参数:

FROM - The input type of the first extractor.

OVER - The output type of the first and the input type of the second extractor.

TO - The output type of the second extractor and the output type of the over all extraction.

所有已实现的接口:

Serializable, Extractor<FROM,TO>

@Internal
public class ConcatenatedExtract<FROM,OVER,TO>
extends Object
implements Extractor<FROM,TO>

Combines two extractors which will be executed one after each other.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
ConcatenatedExtract(Extractor<FROM,OVER> e1, Extractor<OVER,TO> e2) Combines two extractors which will be executed one after each other.

方法概要

限定符和类型	方法和说明
<OUT> ConcatenatedExtract<FROM,TO,OUT>	add(Extractor<TO,OUT> e3)
TO	extract(FROM in) Extracts/Converts the given input to an object of the output type.

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

ConcatenatedExtract

public ConcatenatedExtract(Extractor<FROM,OVER> e1,
                           Extractor<OVER,TO> e2)

Combines two extractors which will be executed one after each other.

参数:

e1 - First extractor: This extractor gets applied to the input data first. Its output as then passed as input to the second extractor.

e2 - Second extractor: This extractor gets the output of the first extractor as input. Its output is then the result of the over all extraction.

方法详细资料

extract

public TO extract(FROM in)

从接口复制的说明: Extractor

Extracts/Converts the given input to an object of the output type.

指定者:

extract 在接口中 Extractor<FROM,TO>

参数:

in - the input data

返回:

the extracted/converted data

add

public <OUT> ConcatenatedExtract<FROM,TO,OUT> add(Extractor<TO,OUT> e3)