org.apache.flink.streaming.util.keys

类 KeySelectorUtil.OneKeySelector<IN,K>

java.lang.Object

org.apache.flink.streaming.util.keys.KeySelectorUtil.OneKeySelector<IN,K>

类型参数:

IN - The type of the elements where the key is extracted from.

K - The type of the key.

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.java.functions.KeySelector<IN,K>

封闭类:

KeySelectorUtil

public static final class KeySelectorUtil.OneKeySelector<IN,K>
extends Object
implements org.apache.flink.api.java.functions.KeySelector<IN,K>

Key extractor that extracts a single field via a generic comparator.

另请参阅:

序列化表格

方法概要

限定符和类型	方法和说明
K	getKey(IN value)

从类继承的方法 java.lang.Object

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

方法详细资料

getKey

public K getKey(IN value)
         throws Exception

指定者:

getKey 在接口中 org.apache.flink.api.java.functions.KeySelector<IN,K>

抛出:

Exception