程序包 org.apache.flink.iteration.operator

类 OperatorStateUtils

java.lang.Object

org.apache.flink.iteration.operator.OperatorStateUtils

public class OperatorStateUtils
extends Object

Utility to deal with the states inside the operator.

构造器概要

构造器

构造器	说明
OperatorStateUtils()

方法概要

修饰符和类型	方法	说明
static <T> Optional<T>	getUniqueElement(org.apache.flink.api.common.state.ListState<T> listState, String stateName)

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

OperatorStateUtils

public OperatorStateUtils()

方法详细资料

getUniqueElement

public static <T> Optional<T> getUniqueElement(org.apache.flink.api.common.state.ListState<T> listState,
                                               String stateName)
                                        throws Exception

抛出:

Exception